Adding WordCamp Sacramento 2016
This commit is contained in:
Jason Cosper
parent
afec84f8ee
commit
76e376e319
427
LICENSE
Normal file
427
LICENSE
Normal file
@ -0,0 +1,427 @@
|
|||||||
|
Attribution-ShareAlike 4.0 International
|
||||||
|
|
||||||
|
=======================================================================
|
||||||
|
|
||||||
|
Creative Commons Corporation ("Creative Commons") is not a law firm and
|
||||||
|
does not provide legal services or legal advice. Distribution of
|
||||||
|
Creative Commons public licenses does not create a lawyer-client or
|
||||||
|
other relationship. Creative Commons makes its licenses and related
|
||||||
|
information available on an "as-is" basis. Creative Commons gives no
|
||||||
|
warranties regarding its licenses, any material licensed under their
|
||||||
|
terms and conditions, or any related information. Creative Commons
|
||||||
|
disclaims all liability for damages resulting from their use to the
|
||||||
|
fullest extent possible.
|
||||||
|
|
||||||
|
Using Creative Commons Public Licenses
|
||||||
|
|
||||||
|
Creative Commons public licenses provide a standard set of terms and
|
||||||
|
conditions that creators and other rights holders may use to share
|
||||||
|
original works of authorship and other material subject to copyright
|
||||||
|
and certain other rights specified in the public license below. The
|
||||||
|
following considerations are for informational purposes only, are not
|
||||||
|
exhaustive, and do not form part of our licenses.
|
||||||
|
|
||||||
|
Considerations for licensors: Our public licenses are
|
||||||
|
intended for use by those authorized to give the public
|
||||||
|
permission to use material in ways otherwise restricted by
|
||||||
|
copyright and certain other rights. Our licenses are
|
||||||
|
irrevocable. Licensors should read and understand the terms
|
||||||
|
and conditions of the license they choose before applying it.
|
||||||
|
Licensors should also secure all rights necessary before
|
||||||
|
applying our licenses so that the public can reuse the
|
||||||
|
material as expected. Licensors should clearly mark any
|
||||||
|
material not subject to the license. This includes other CC-
|
||||||
|
licensed material, or material used under an exception or
|
||||||
|
limitation to copyright. More considerations for licensors:
|
||||||
|
wiki.creativecommons.org/Considerations_for_licensors
|
||||||
|
|
||||||
|
Considerations for the public: By using one of our public
|
||||||
|
licenses, a licensor grants the public permission to use the
|
||||||
|
licensed material under specified terms and conditions. If
|
||||||
|
the licensor's permission is not necessary for any reason--for
|
||||||
|
example, because of any applicable exception or limitation to
|
||||||
|
copyright--then that use is not regulated by the license. Our
|
||||||
|
licenses grant only permissions under copyright and certain
|
||||||
|
other rights that a licensor has authority to grant. Use of
|
||||||
|
the licensed material may still be restricted for other
|
||||||
|
reasons, including because others have copyright or other
|
||||||
|
rights in the material. A licensor may make special requests,
|
||||||
|
such as asking that all changes be marked or described.
|
||||||
|
Although not required by our licenses, you are encouraged to
|
||||||
|
respect those requests where reasonable. More_considerations
|
||||||
|
for the public:
|
||||||
|
wiki.creativecommons.org/Considerations_for_licensees
|
||||||
|
|
||||||
|
=======================================================================
|
||||||
|
|
||||||
|
Creative Commons Attribution-ShareAlike 4.0 International Public
|
||||||
|
License
|
||||||
|
|
||||||
|
By exercising the Licensed Rights (defined below), You accept and agree
|
||||||
|
to be bound by the terms and conditions of this Creative Commons
|
||||||
|
Attribution-ShareAlike 4.0 International Public License ("Public
|
||||||
|
License"). To the extent this Public License may be interpreted as a
|
||||||
|
contract, You are granted the Licensed Rights in consideration of Your
|
||||||
|
acceptance of these terms and conditions, and the Licensor grants You
|
||||||
|
such rights in consideration of benefits the Licensor receives from
|
||||||
|
making the Licensed Material available under these terms and
|
||||||
|
conditions.
|
||||||
|
|
||||||
|
|
||||||
|
Section 1 -- Definitions.
|
||||||
|
|
||||||
|
a. Adapted Material means material subject to Copyright and Similar
|
||||||
|
Rights that is derived from or based upon the Licensed Material
|
||||||
|
and in which the Licensed Material is translated, altered,
|
||||||
|
arranged, transformed, or otherwise modified in a manner requiring
|
||||||
|
permission under the Copyright and Similar Rights held by the
|
||||||
|
Licensor. For purposes of this Public License, where the Licensed
|
||||||
|
Material is a musical work, performance, or sound recording,
|
||||||
|
Adapted Material is always produced where the Licensed Material is
|
||||||
|
synched in timed relation with a moving image.
|
||||||
|
|
||||||
|
b. Adapter's License means the license You apply to Your Copyright
|
||||||
|
and Similar Rights in Your contributions to Adapted Material in
|
||||||
|
accordance with the terms and conditions of this Public License.
|
||||||
|
|
||||||
|
c. BY-SA Compatible License means a license listed at
|
||||||
|
creativecommons.org/compatiblelicenses, approved by Creative
|
||||||
|
Commons as essentially the equivalent of this Public License.
|
||||||
|
|
||||||
|
d. Copyright and Similar Rights means copyright and/or similar rights
|
||||||
|
closely related to copyright including, without limitation,
|
||||||
|
performance, broadcast, sound recording, and Sui Generis Database
|
||||||
|
Rights, without regard to how the rights are labeled or
|
||||||
|
categorized. For purposes of this Public License, the rights
|
||||||
|
specified in Section 2(b)(1)-(2) are not Copyright and Similar
|
||||||
|
Rights.
|
||||||
|
|
||||||
|
e. Effective Technological Measures means those measures that, in the
|
||||||
|
absence of proper authority, may not be circumvented under laws
|
||||||
|
fulfilling obligations under Article 11 of the WIPO Copyright
|
||||||
|
Treaty adopted on December 20, 1996, and/or similar international
|
||||||
|
agreements.
|
||||||
|
|
||||||
|
f. Exceptions and Limitations means fair use, fair dealing, and/or
|
||||||
|
any other exception or limitation to Copyright and Similar Rights
|
||||||
|
that applies to Your use of the Licensed Material.
|
||||||
|
|
||||||
|
g. License Elements means the license attributes listed in the name
|
||||||
|
of a Creative Commons Public License. The License Elements of this
|
||||||
|
Public License are Attribution and ShareAlike.
|
||||||
|
|
||||||
|
h. Licensed Material means the artistic or literary work, database,
|
||||||
|
or other material to which the Licensor applied this Public
|
||||||
|
License.
|
||||||
|
|
||||||
|
i. Licensed Rights means the rights granted to You subject to the
|
||||||
|
terms and conditions of this Public License, which are limited to
|
||||||
|
all Copyright and Similar Rights that apply to Your use of the
|
||||||
|
Licensed Material and that the Licensor has authority to license.
|
||||||
|
|
||||||
|
j. Licensor means the individual(s) or entity(ies) granting rights
|
||||||
|
under this Public License.
|
||||||
|
|
||||||
|
k. Share means to provide material to the public by any means or
|
||||||
|
process that requires permission under the Licensed Rights, such
|
||||||
|
as reproduction, public display, public performance, distribution,
|
||||||
|
dissemination, communication, or importation, and to make material
|
||||||
|
available to the public including in ways that members of the
|
||||||
|
public may access the material from a place and at a time
|
||||||
|
individually chosen by them.
|
||||||
|
|
||||||
|
l. Sui Generis Database Rights means rights other than copyright
|
||||||
|
resulting from Directive 96/9/EC of the European Parliament and of
|
||||||
|
the Council of 11 March 1996 on the legal protection of databases,
|
||||||
|
as amended and/or succeeded, as well as other essentially
|
||||||
|
equivalent rights anywhere in the world.
|
||||||
|
|
||||||
|
m. You means the individual or entity exercising the Licensed Rights
|
||||||
|
under this Public License. Your has a corresponding meaning.
|
||||||
|
|
||||||
|
|
||||||
|
Section 2 -- Scope.
|
||||||
|
|
||||||
|
a. License grant.
|
||||||
|
|
||||||
|
1. Subject to the terms and conditions of this Public License,
|
||||||
|
the Licensor hereby grants You a worldwide, royalty-free,
|
||||||
|
non-sublicensable, non-exclusive, irrevocable license to
|
||||||
|
exercise the Licensed Rights in the Licensed Material to:
|
||||||
|
|
||||||
|
a. reproduce and Share the Licensed Material, in whole or
|
||||||
|
in part; and
|
||||||
|
|
||||||
|
b. produce, reproduce, and Share Adapted Material.
|
||||||
|
|
||||||
|
2. Exceptions and Limitations. For the avoidance of doubt, where
|
||||||
|
Exceptions and Limitations apply to Your use, this Public
|
||||||
|
License does not apply, and You do not need to comply with
|
||||||
|
its terms and conditions.
|
||||||
|
|
||||||
|
3. Term. The term of this Public License is specified in Section
|
||||||
|
6(a).
|
||||||
|
|
||||||
|
4. Media and formats; technical modifications allowed. The
|
||||||
|
Licensor authorizes You to exercise the Licensed Rights in
|
||||||
|
all media and formats whether now known or hereafter created,
|
||||||
|
and to make technical modifications necessary to do so. The
|
||||||
|
Licensor waives and/or agrees not to assert any right or
|
||||||
|
authority to forbid You from making technical modifications
|
||||||
|
necessary to exercise the Licensed Rights, including
|
||||||
|
technical modifications necessary to circumvent Effective
|
||||||
|
Technological Measures. For purposes of this Public License,
|
||||||
|
simply making modifications authorized by this Section 2(a)
|
||||||
|
(4) never produces Adapted Material.
|
||||||
|
|
||||||
|
5. Downstream recipients.
|
||||||
|
|
||||||
|
a. Offer from the Licensor -- Licensed Material. Every
|
||||||
|
recipient of the Licensed Material automatically
|
||||||
|
receives an offer from the Licensor to exercise the
|
||||||
|
Licensed Rights under the terms and conditions of this
|
||||||
|
Public License.
|
||||||
|
|
||||||
|
b. Additional offer from the Licensor -- Adapted Material.
|
||||||
|
Every recipient of Adapted Material from You
|
||||||
|
automatically receives an offer from the Licensor to
|
||||||
|
exercise the Licensed Rights in the Adapted Material
|
||||||
|
under the conditions of the Adapter's License You apply.
|
||||||
|
|
||||||
|
c. No downstream restrictions. You may not offer or impose
|
||||||
|
any additional or different terms or conditions on, or
|
||||||
|
apply any Effective Technological Measures to, the
|
||||||
|
Licensed Material if doing so restricts exercise of the
|
||||||
|
Licensed Rights by any recipient of the Licensed
|
||||||
|
Material.
|
||||||
|
|
||||||
|
6. No endorsement. Nothing in this Public License constitutes or
|
||||||
|
may be construed as permission to assert or imply that You
|
||||||
|
are, or that Your use of the Licensed Material is, connected
|
||||||
|
with, or sponsored, endorsed, or granted official status by,
|
||||||
|
the Licensor or others designated to receive attribution as
|
||||||
|
provided in Section 3(a)(1)(A)(i).
|
||||||
|
|
||||||
|
b. Other rights.
|
||||||
|
|
||||||
|
1. Moral rights, such as the right of integrity, are not
|
||||||
|
licensed under this Public License, nor are publicity,
|
||||||
|
privacy, and/or other similar personality rights; however, to
|
||||||
|
the extent possible, the Licensor waives and/or agrees not to
|
||||||
|
assert any such rights held by the Licensor to the limited
|
||||||
|
extent necessary to allow You to exercise the Licensed
|
||||||
|
Rights, but not otherwise.
|
||||||
|
|
||||||
|
2. Patent and trademark rights are not licensed under this
|
||||||
|
Public License.
|
||||||
|
|
||||||
|
3. To the extent possible, the Licensor waives any right to
|
||||||
|
collect royalties from You for the exercise of the Licensed
|
||||||
|
Rights, whether directly or through a collecting society
|
||||||
|
under any voluntary or waivable statutory or compulsory
|
||||||
|
licensing scheme. In all other cases the Licensor expressly
|
||||||
|
reserves any right to collect such royalties.
|
||||||
|
|
||||||
|
|
||||||
|
Section 3 -- License Conditions.
|
||||||
|
|
||||||
|
Your exercise of the Licensed Rights is expressly made subject to the
|
||||||
|
following conditions.
|
||||||
|
|
||||||
|
a. Attribution.
|
||||||
|
|
||||||
|
1. If You Share the Licensed Material (including in modified
|
||||||
|
form), You must:
|
||||||
|
|
||||||
|
a. retain the following if it is supplied by the Licensor
|
||||||
|
with the Licensed Material:
|
||||||
|
|
||||||
|
i. identification of the creator(s) of the Licensed
|
||||||
|
Material and any others designated to receive
|
||||||
|
attribution, in any reasonable manner requested by
|
||||||
|
the Licensor (including by pseudonym if
|
||||||
|
designated);
|
||||||
|
|
||||||
|
ii. a copyright notice;
|
||||||
|
|
||||||
|
iii. a notice that refers to this Public License;
|
||||||
|
|
||||||
|
iv. a notice that refers to the disclaimer of
|
||||||
|
warranties;
|
||||||
|
|
||||||
|
v. a URI or hyperlink to the Licensed Material to the
|
||||||
|
extent reasonably practicable;
|
||||||
|
|
||||||
|
b. indicate if You modified the Licensed Material and
|
||||||
|
retain an indication of any previous modifications; and
|
||||||
|
|
||||||
|
c. indicate the Licensed Material is licensed under this
|
||||||
|
Public License, and include the text of, or the URI or
|
||||||
|
hyperlink to, this Public License.
|
||||||
|
|
||||||
|
2. You may satisfy the conditions in Section 3(a)(1) in any
|
||||||
|
reasonable manner based on the medium, means, and context in
|
||||||
|
which You Share the Licensed Material. For example, it may be
|
||||||
|
reasonable to satisfy the conditions by providing a URI or
|
||||||
|
hyperlink to a resource that includes the required
|
||||||
|
information.
|
||||||
|
|
||||||
|
3. If requested by the Licensor, You must remove any of the
|
||||||
|
information required by Section 3(a)(1)(A) to the extent
|
||||||
|
reasonably practicable.
|
||||||
|
|
||||||
|
b. ShareAlike.
|
||||||
|
|
||||||
|
In addition to the conditions in Section 3(a), if You Share
|
||||||
|
Adapted Material You produce, the following conditions also apply.
|
||||||
|
|
||||||
|
1. The Adapter's License You apply must be a Creative Commons
|
||||||
|
license with the same License Elements, this version or
|
||||||
|
later, or a BY-SA Compatible License.
|
||||||
|
|
||||||
|
2. You must include the text of, or the URI or hyperlink to, the
|
||||||
|
Adapter's License You apply. You may satisfy this condition
|
||||||
|
in any reasonable manner based on the medium, means, and
|
||||||
|
context in which You Share Adapted Material.
|
||||||
|
|
||||||
|
3. You may not offer or impose any additional or different terms
|
||||||
|
or conditions on, or apply any Effective Technological
|
||||||
|
Measures to, Adapted Material that restrict exercise of the
|
||||||
|
rights granted under the Adapter's License You apply.
|
||||||
|
|
||||||
|
|
||||||
|
Section 4 -- Sui Generis Database Rights.
|
||||||
|
|
||||||
|
Where the Licensed Rights include Sui Generis Database Rights that
|
||||||
|
apply to Your use of the Licensed Material:
|
||||||
|
|
||||||
|
a. for the avoidance of doubt, Section 2(a)(1) grants You the right
|
||||||
|
to extract, reuse, reproduce, and Share all or a substantial
|
||||||
|
portion of the contents of the database;
|
||||||
|
|
||||||
|
b. if You include all or a substantial portion of the database
|
||||||
|
contents in a database in which You have Sui Generis Database
|
||||||
|
Rights, then the database in which You have Sui Generis Database
|
||||||
|
Rights (but not its individual contents) is Adapted Material,
|
||||||
|
|
||||||
|
including for purposes of Section 3(b); and
|
||||||
|
c. You must comply with the conditions in Section 3(a) if You Share
|
||||||
|
all or a substantial portion of the contents of the database.
|
||||||
|
|
||||||
|
For the avoidance of doubt, this Section 4 supplements and does not
|
||||||
|
replace Your obligations under this Public License where the Licensed
|
||||||
|
Rights include other Copyright and Similar Rights.
|
||||||
|
|
||||||
|
|
||||||
|
Section 5 -- Disclaimer of Warranties and Limitation of Liability.
|
||||||
|
|
||||||
|
a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
|
||||||
|
EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
|
||||||
|
AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
|
||||||
|
ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
|
||||||
|
IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
|
||||||
|
WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
|
||||||
|
PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
|
||||||
|
ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
|
||||||
|
KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
|
||||||
|
ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
|
||||||
|
|
||||||
|
b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
|
||||||
|
TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
|
||||||
|
NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
|
||||||
|
INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
|
||||||
|
COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
|
||||||
|
USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
|
||||||
|
ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
|
||||||
|
DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
|
||||||
|
IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
|
||||||
|
|
||||||
|
c. The disclaimer of warranties and limitation of liability provided
|
||||||
|
above shall be interpreted in a manner that, to the extent
|
||||||
|
possible, most closely approximates an absolute disclaimer and
|
||||||
|
waiver of all liability.
|
||||||
|
|
||||||
|
|
||||||
|
Section 6 -- Term and Termination.
|
||||||
|
|
||||||
|
a. This Public License applies for the term of the Copyright and
|
||||||
|
Similar Rights licensed here. However, if You fail to comply with
|
||||||
|
this Public License, then Your rights under this Public License
|
||||||
|
terminate automatically.
|
||||||
|
|
||||||
|
b. Where Your right to use the Licensed Material has terminated under
|
||||||
|
Section 6(a), it reinstates:
|
||||||
|
|
||||||
|
1. automatically as of the date the violation is cured, provided
|
||||||
|
it is cured within 30 days of Your discovery of the
|
||||||
|
violation; or
|
||||||
|
|
||||||
|
2. upon express reinstatement by the Licensor.
|
||||||
|
|
||||||
|
For the avoidance of doubt, this Section 6(b) does not affect any
|
||||||
|
right the Licensor may have to seek remedies for Your violations
|
||||||
|
of this Public License.
|
||||||
|
|
||||||
|
c. For the avoidance of doubt, the Licensor may also offer the
|
||||||
|
Licensed Material under separate terms or conditions or stop
|
||||||
|
distributing the Licensed Material at any time; however, doing so
|
||||||
|
will not terminate this Public License.
|
||||||
|
|
||||||
|
d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
|
||||||
|
License.
|
||||||
|
|
||||||
|
|
||||||
|
Section 7 -- Other Terms and Conditions.
|
||||||
|
|
||||||
|
a. The Licensor shall not be bound by any additional or different
|
||||||
|
terms or conditions communicated by You unless expressly agreed.
|
||||||
|
|
||||||
|
b. Any arrangements, understandings, or agreements regarding the
|
||||||
|
Licensed Material not stated herein are separate from and
|
||||||
|
independent of the terms and conditions of this Public License.
|
||||||
|
|
||||||
|
|
||||||
|
Section 8 -- Interpretation.
|
||||||
|
|
||||||
|
a. For the avoidance of doubt, this Public License does not, and
|
||||||
|
shall not be interpreted to, reduce, limit, restrict, or impose
|
||||||
|
conditions on any use of the Licensed Material that could lawfully
|
||||||
|
be made without permission under this Public License.
|
||||||
|
|
||||||
|
b. To the extent possible, if any provision of this Public License is
|
||||||
|
deemed unenforceable, it shall be automatically reformed to the
|
||||||
|
minimum extent necessary to make it enforceable. If the provision
|
||||||
|
cannot be reformed, it shall be severed from this Public License
|
||||||
|
without affecting the enforceability of the remaining terms and
|
||||||
|
conditions.
|
||||||
|
|
||||||
|
c. No term or condition of this Public License will be waived and no
|
||||||
|
failure to comply consented to unless expressly agreed to by the
|
||||||
|
Licensor.
|
||||||
|
|
||||||
|
d. Nothing in this Public License constitutes or may be interpreted
|
||||||
|
as a limitation upon, or waiver of, any privileges and immunities
|
||||||
|
that apply to the Licensor or You, including from the legal
|
||||||
|
processes of any jurisdiction or authority.
|
||||||
|
|
||||||
|
|
||||||
|
=======================================================================
|
||||||
|
|
||||||
|
Creative Commons is not a party to its public
|
||||||
|
licenses. Notwithstanding, Creative Commons may elect to apply one of
|
||||||
|
its public licenses to material it publishes and in those instances
|
||||||
|
will be considered the “Licensor.” The text of the Creative Commons
|
||||||
|
public licenses is dedicated to the public domain under the CC0 Public
|
||||||
|
Domain Dedication. Except for the limited purpose of indicating that
|
||||||
|
material is shared under a Creative Commons public license or as
|
||||||
|
otherwise permitted by the Creative Commons policies published at
|
||||||
|
creativecommons.org/policies, Creative Commons does not authorize the
|
||||||
|
use of the trademark "Creative Commons" or any other trademark or logo
|
||||||
|
of Creative Commons without its prior written consent including,
|
||||||
|
without limitation, in connection with any unauthorized modifications
|
||||||
|
to any of its public licenses or any other arrangements,
|
||||||
|
understandings, or agreements concerning use of licensed material. For
|
||||||
|
the avoidance of doubt, this paragraph does not form part of the
|
||||||
|
public licenses.
|
||||||
|
|
||||||
|
Creative Commons may be contacted at creativecommons.org.
|
||||||
@ -1,2 +1,5 @@
|
|||||||
# talks
|
# Talks
|
||||||
Presentations that I've given at assorted conferences.
|
|
||||||
|
These are presentations that I've given at assorted conferences.
|
||||||
|
|
||||||
|
* [Scaling WordPress With Load Testing](wcsac16/) — Generated from Markdown in Deckset using the Merriweather theme.
|
||||||
|
|||||||
BIN
wcsac16/analytics.jpg
Normal file
BIN
wcsac16/analytics.jpg
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 110 KiB |
BIN
wcsac16/configuration.gif
Normal file
BIN
wcsac16/configuration.gif
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 776 KiB |
BIN
wcsac16/endurance.gif
Normal file
BIN
wcsac16/endurance.gif
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 1.7 MiB |
BIN
wcsac16/jmeter.jpg
Normal file
BIN
wcsac16/jmeter.jpg
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 114 KiB |
BIN
wcsac16/spike.gif
Normal file
BIN
wcsac16/spike.gif
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 150 KiB |
BIN
wcsac16/stress.gif
Normal file
BIN
wcsac16/stress.gif
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 1.3 MiB |
BIN
wcsac16/tree-background.jpg
Normal file
BIN
wcsac16/tree-background.jpg
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 1.1 MiB |
410
wcsac16/wcsac16.md
Normal file
410
wcsac16/wcsac16.md
Normal file
@ -0,0 +1,410 @@
|
|||||||
|
# [fit] Scaling WordPress
|
||||||
|
# [fit] With Load Testing
|
||||||
|
|
||||||
|
### https://boogah.org/wcsac16
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## [fit] Let's talk about
|
||||||
|
## [fit] performance testing
|
||||||
|
|
||||||
|
^ Who here has ever run a load test before? What did you do with that data?
|
||||||
|
|
||||||
|
^ Up until about a year ago, I only ever ran quick tests to make sure a site wouldn't fall over when traffic was thrown at it. Then I was put on a project where the goal was to tune a site and optimize the code and the infrastructure around it.
|
||||||
|
|
||||||
|
^ I went from "Run test. Looks fine. Ship it." to "Run test. Make improvements. Run again. Make more improvements. Run again. Tweak test. Run again." and have managed to run hundreds of tests along the way.
|
||||||
|
|
||||||
|
^ Today I want to take some of what I've learned and share it with you.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Why load test?
|
||||||
|
|
||||||
|
^ Load tests allow you simulate active traffic to your site in order to help you sniff out potential bottlenecks and failures.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Common styles of
|
||||||
|
# [fit] performance testing
|
||||||
|
|
||||||
|
^ There are a few more outside of the ones I'm going to discuss here, but these four are the most relevant.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Stress testing
|
||||||
|
|
||||||
|
^ Stress testing involves figuring out the upper limits of site and server capacity. This can show you how many users/transactions/etc. you can handle before your site starts returning errors.
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Spike testing
|
||||||
|
|
||||||
|
^ Spike testing utilizes a sudden increase in user load (ex. a jump from 5 users a minute to 50 users a minute) to see how the site and server respond to a (usually unexpected) uptick in users.
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Endurance testing
|
||||||
|
|
||||||
|
^ Endurance testing allows you to test site and server performance by sending a steady flow of traffic to a server over an extended period of time. This is great for catching memory leaks you might not otherwise find.
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Configuration testing
|
||||||
|
|
||||||
|
^ Configuration testing gives you the opportunity to check if a change to the site's configuration (core/plugin/theme upgrades, custom code changes, server changes, etc.) will have an impact on performance.
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] YMMV
|
||||||
|
|
||||||
|
^ No matter which one of these four tests you run on your site — be it one or multiple — your mileage may vary. I say this because most testing tools don't take end user speed (3G, LTE, broadband, fiber, etc.) or environmental factors (browser, operating system, etc.) into consideration. Both of those things can have a considerable impact on the actual number of visitors your site can handle.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Tools
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] ApacheBench
|
||||||
|
|
||||||
|
^ Created to benchmark Apache web server installs, ApacheBench runs simple load tests on one URL at a time. If you're looking to do endurance testing, ApacheBench is an easy way to dip your toe into doing so without too much setup.
|
||||||
|
|
||||||
|
^ Sounds great, right? So what's the catch?
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# ApacheBench Gotchas
|
||||||
|
|
||||||
|
* Single threaded.
|
||||||
|
* Not good for benchmarking high capacity servers.
|
||||||
|
* Works best when run from the same server as your site.
|
||||||
|
* Can only hit one URL at a time.
|
||||||
|
* Not much actionable data.
|
||||||
|
* Not a real browser test.
|
||||||
|
* No HTTP/2 support.
|
||||||
|
|
||||||
|
^ No matter how high you've set the concurrency level, or the number of CPUs on the machine you're testing from, ApacheBench will *always* use one thread. If you're running your site in a high capacity environment (managed WordPress hosting, tuned VPS, etc.) you won't get anywhere close to your site's actual throughput.
|
||||||
|
|
||||||
|
^ If you're okay with that though...
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# Using ApacheBench
|
||||||
|
|
||||||
|
```
|
||||||
|
ab -n 100 -c 10 https://jasoncosper.com/
|
||||||
|
```
|
||||||
|
|
||||||
|
**Translation:** Have ApacheBench send 100 requests to my site. There should be no more than 10 requests running concurrently.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# ApacheBench Output
|
||||||
|
|
||||||
|
```
|
||||||
|
Server Software: nginx
|
||||||
|
Server Hostname: jasoncosper.com
|
||||||
|
Server Port: 443
|
||||||
|
SSL/TLS Protocol: TLSv1.2,ECDHE-RSA-AES256-GCM-SHA384,4096,256
|
||||||
|
|
||||||
|
Document Path: /
|
||||||
|
Document Length: 31927 bytes
|
||||||
|
|
||||||
|
Concurrency Level: 10
|
||||||
|
Time taken for tests: 34.163 seconds
|
||||||
|
Complete requests: 100
|
||||||
|
Failed requests: 0
|
||||||
|
Total transferred: 3253000 bytes
|
||||||
|
HTML transferred: 3192700 bytes
|
||||||
|
Requests per second: 2.93 [#/sec] (mean)
|
||||||
|
Time per request: 3416.350 [ms] (mean)
|
||||||
|
Time per request: 341.635 [ms] (mean, across all concurrent requests)
|
||||||
|
Transfer rate: 92.99 [Kbytes/sec] received
|
||||||
|
|
||||||
|
Connection Times (ms)
|
||||||
|
min mean[+/-sd] median max
|
||||||
|
Connect: 244 259 18.5 253 343
|
||||||
|
Processing: 483 3015 2104.7 2566 11495
|
||||||
|
Waiting: 479 3011 2104.9 2564 11491
|
||||||
|
Total: 754 3274 2105.9 2813 11766
|
||||||
|
|
||||||
|
Percentage of the requests served within a certain time (ms)
|
||||||
|
50% 2813
|
||||||
|
66% 3673
|
||||||
|
75% 4369
|
||||||
|
80% 4677
|
||||||
|
90% 6319
|
||||||
|
95% 7818
|
||||||
|
98% 9886
|
||||||
|
99% 11766
|
||||||
|
100% 11766 (longest request)
|
||||||
|
```
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] If you have macOS
|
||||||
|
# [fit] you have ApacheBench
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# Installing ApacheBench
|
||||||
|
|
||||||
|
If you're using Ubuntu to do your development work:
|
||||||
|
|
||||||
|
```
|
||||||
|
apt install apache2-utils
|
||||||
|
```
|
||||||
|
|
||||||
|
^ Most of the popular Vagrant development environments (see: VVV, VIP Quickstart, Chassis) use Ubuntu.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] h2load
|
||||||
|
|
||||||
|
^ If you *need* to test an HTTP/2 site one of the more modern takes on ApacheBench is h2load.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# h2load > ApacheBench
|
||||||
|
|
||||||
|
* HTTP/2 *and* HTTP/1.1 support out-of-the-box!
|
||||||
|
* It's multithreaded!
|
||||||
|
* Support for more than one URL!
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# h2load Gotchas
|
||||||
|
|
||||||
|
* Limited actionable data.
|
||||||
|
* Not a real browser test.
|
||||||
|
* Best run from the same server as your site.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# Using h2load
|
||||||
|
|
||||||
|
```
|
||||||
|
h2load -n1000 -c100 -m10 https://jasoncosper.com/ https://jasoncosper.com/podcasts/
|
||||||
|
```
|
||||||
|
|
||||||
|
**Translation:** Have h2load send 500 requests to two URLs with 100 concurrent clients. And please don't go over 10 concurrent streams.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# h2load Output
|
||||||
|
|
||||||
|
```
|
||||||
|
starting benchmark...
|
||||||
|
spawning thread #0: 100 total client(s). 500 total requests
|
||||||
|
TLS Protocol: TLSv1.2
|
||||||
|
Cipher: ECDHE-RSA-AES256-GCM-SHA384
|
||||||
|
Server Temp Key: ECDH P-256 256 bits
|
||||||
|
Application protocol: h2
|
||||||
|
|
||||||
|
finished in 100.52s, 4.97 req/s, 143.56KB/s
|
||||||
|
requests: 500 total, 500 started, 500 done, 500 succeeded, 0 failed, 0 errored, 0 timeout
|
||||||
|
status codes: 500 2xx, 0 3xx, 0 4xx, 0 5xx
|
||||||
|
traffic: 14.09MB (14776906) total, 208.11KB (213106) headers (space savings 21.04%), 13.86MB (14531900) data
|
||||||
|
min max mean sd +/- sd
|
||||||
|
time for request: 442.43ms 100.21s 42.23s 26.80s 61.80%
|
||||||
|
time for connect: 236.00ms 301.97ms 268.62ms 19.25ms 63.00%
|
||||||
|
time to 1st byte: 678.74ms 46.08s 13.66s 9.60s 69.00%
|
||||||
|
req/s : 0.05 0.12 0.07 0.02 74.00%
|
||||||
|
```
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Installing h2load
|
||||||
|
## [fit] https://boogah.org/inst-h2load
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] JMeter
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
^ Isn't that the sort of user interface that only a total poindexter could love?
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# Apache JMeter
|
||||||
|
|
||||||
|
* Created to test production web apps.
|
||||||
|
* Ridiculously configurable and extendable.
|
||||||
|
* Cross-platform (Mac, Windows, Linux)
|
||||||
|
* Fully multithreaded.
|
||||||
|
* GUI *and* CLI.
|
||||||
|
* Distributed remote testing support.
|
||||||
|
|
||||||
|
^ While there's no HTTP/2 support out of the box, a plugin is available. There's also plugins that enable sending your test traffic through real browsers.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Installing JMeter
|
||||||
|
## [fit] https://boogah.org/inst-jmeter
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Creating test plans
|
||||||
|
# [fit] is easy*ish*
|
||||||
|
|
||||||
|
^ All it takes is configuring a proxy in your JMeter test and then pointing your browser at that proxy before browsing your site. JMeter will record everything you do while the proxy is on. Pages visited, login sessions, user cookies, etc.
|
||||||
|
|
||||||
|
^ If you Google "jmeter proxy", there's instructions on how get this going in the first few results. I don't want to get too in the weeds here.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Don't test production environments
|
||||||
|
# [fit] from your laptop
|
||||||
|
|
||||||
|
^ It won't work. Mainly because you don't have the bandwidth to emulate hundreds (or thousands) of simultaneous users from your DSL/cable/fiber connection.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Flood IO
|
||||||
|
## [fit] https://flood.io/
|
||||||
|
|
||||||
|
^ $12 an hour for unlimited users on their pay as you go plan. $99 a month for up to 15 hours worth of testing, also with unlimited users. There's even a free plan that gives you unlimited users for 5 minute, which is *perfect* for running spike tests.
|
||||||
|
|
||||||
|
^ In most cases, you can upload your JMeter tests and go.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] BlazeMeter
|
||||||
|
## [fit] https://www.blazemeter.com/
|
||||||
|
|
||||||
|
^ BlazeMeter is a little more expensive at $149 a month. They limit the number of users (1000 to start) and the amount of tests you can run (15, again to start) on a plan by plan basis.
|
||||||
|
|
||||||
|
^ However, BlazeMeter offers simple integrations with continuous integration services (Jenkins, TravisCI, CircleCI) as well as New Relic. That makes configuration testing way easier. They also give you the ability to run multiple tests at once. Why is that cool? Let's move on to...
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Real world
|
||||||
|
# [fit] scenarios
|
||||||
|
|
||||||
|
^ When people come to your site, not everybody is planning on doing the same thing. If you run an ecomm site with multiple products, people's carts are going to look different, right?
|
||||||
|
|
||||||
|
^ What about the folks who are just window shopping? And how about the person digging around for a recent blog post?
|
||||||
|
|
||||||
|
^ Say you have a media site. Not only are people browsing stuff linked off the front page, but folks are actively searching for older content.
|
||||||
|
|
||||||
|
^ How do you even come up with tests for all of these scenarios?
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Google Analytics
|
||||||
|
# [fit] is your friend
|
||||||
|
|
||||||
|
^ If you don't know what's popular with visitors — and you may not if you're dealing with a new client site — you can always drill down into Google Analytics.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
^ If you view "Behavior > Site Content" in Google Analytics and modify the period to whatever you deem appropriate (last week, this time last year, the past three months, etc.) you can get a pretty good idea of popular pages that need to be tested.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# Useful Filters
|
||||||
|
|
||||||
|
* `?s`
|
||||||
|
* `product`
|
||||||
|
* `category`
|
||||||
|
* `tag`
|
||||||
|
|
||||||
|
^ You can even filter specific URLs to shine a light on behaviors. `?s` surfaces searches, `product` finds popular WooCommerce products even when people aren't completing the checkout process, and `category` & `tag` let you know if folks find your taxonomy pages useful.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Bringing it
|
||||||
|
# [fit] all together
|
||||||
|
|
||||||
|
^ Once you gauge your popular pages, products, searches, actions, etc. it's time to come up with a plan.
|
||||||
|
|
||||||
|
^ For a WooCommerce site I was helping tune, making a plan wasn't that hard. We knew that the main action on the site was going to involve adding some items to the cart and checking out. But we also found out during our discovery process that there was a pretty steady stream of visitors browsing the site, running searches for products, and logging in to check on their orders.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# WooCommerce Test Plans
|
||||||
|
|
||||||
|
* Browse site.
|
||||||
|
* Browse site, perform multiple searches.
|
||||||
|
* Add products to cart, check out.
|
||||||
|
* Log in, browse site.
|
||||||
|
* Log in, visit "My Account" page.
|
||||||
|
* Log in, add products to cart, check out.
|
||||||
|
|
||||||
|
^ For each one of these scenarios, I performed multiple actions on the site, like an actual user would. Sometimes that meant browsing a few pages or running some searches, other times it meant going through the login process, adding products to my cart, and going through the entire checkout process.
|
||||||
|
|
||||||
|
^ In some cases, such as browsing the site and the checkout process, I created more than one test. On others, I replaced search strings with other terms pulled from a CSV file. Anything to increase the amount of variety the site would experience.
|
||||||
|
|
||||||
|
^ But to come back around to something I said earlier...
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] YMMV
|
||||||
|
|
||||||
|
^ Just because this plan worked for this WooCommerce site, that doesn't mean it'll work for yours. Maybe people on your site tend to buy single items after getting a marketing email. Perhaps you're running a subscription site. Or you could offer coupon codes. Or, you know, your site doesn't even do ecomm at all.
|
||||||
|
|
||||||
|
^ Still, all of these things shape how your tests should be built.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Okay, but
|
||||||
|
# [fit] how many users?
|
||||||
|
|
||||||
|
^ This is something that's dependent on your environment. Most shared hosting plans aren't going to be able to handle as much traffic as a VPS or managed host will.
|
||||||
|
|
||||||
|
^ When trying to come up with a baseline on a server I'm not familiar with, I start with 100 users over a five minute period and watch server load while the test is running. You can do this through a tool like New Relic. Or, if you have SSH access, directly on the server itself using a utility like `htop`.
|
||||||
|
|
||||||
|
^ Setting a reasonable performance budget is crucial. You need to figure out what your high end looks like and go from there.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Push it
|
||||||
|
# [fit] to the limit
|
||||||
|
|
||||||
|
^ If the CPU load is too high, drop the number of users by 10 or 20. Too low, raise it. If you're chewing through your available RAM, ease up. If you've got plenty of RAM to spare, go harder. Lather. Rinse. Repeat.
|
||||||
|
|
||||||
|
^ The real trick is figuring out the point where you either stop or start seeing errors and placing yourself on the right side of it.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] My limit
|
||||||
|
# [fit] seems kinda low
|
||||||
|
|
||||||
|
^ So you've figured out how many people can actually do things on your site and you're sort of underwhelmed. Happens to the best of us, promise.
|
||||||
|
|
||||||
|
^ Are you caching every possible page element? Even on dynamic pages, using something like Rarst's "Fragment Cache" plugin (available on GitHub) can help.
|
||||||
|
|
||||||
|
^ Have you audited your site lately? The Query Monitor plugin (available in the repo) or runcommand's `profile` WP-CLI command can help surface things that are chewing up too many resources.
|
||||||
|
|
||||||
|
^ Could you stand to get rid of a few plugins? That one that lets you oEmbed Vine videos has had a comparable function in core for a while now. Do you really get enough traffic from App.net to justify crossposting to it?
|
||||||
|
|
||||||
|
^ Maybe you've outgrown your plan. If your host doesn't offer something that'll allow you to grow within your budget, maybe you've outgrown your host.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] Questions?
|
||||||
|
|
||||||
|
^ I could keep nerding out on this stuff all day, but I figured I'd leave some time for questions. Anyone?
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
# [fit] @boogah
|
||||||
|
## https://jasoncosper.com/
|
||||||
|
## https://hipsum.co/
|
||||||
Loading…
x
Reference in New Issue
Block a user