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</head><body bgcolor="#FFFFFF" text="#000000">Congrats on the
improvements, Jim! Sounds like this is going to make a huge difference.
Go Zuul!<br>
<br>
Cheers,<br>
Jimmy<br>
<br>
<br>
<span>
</span><br>
<blockquote style="border: 0px none;"
cite="mid:87wowo4tyz.fsf@meyer.lemoncheese.net" type="cite">
<div style="margin:30px 25px 10px 25px;" class="__pbConvHr"><div
style="width:100%;border-top:2px solid #EDF1F4;padding-top:10px;"> <div
style="display:inline-block;white-space:nowrap;vertical-align:middle;width:49%;">
<a moz-do-not-send="true" href="mailto:corvus@inaugust.com"
style="color:#485664
!important;padding-right:6px;font-weight:500;text-decoration:none
!important;">James E. Blair</a></div> <div
style="display:inline-block;white-space:nowrap;vertical-align:middle;width:48%;text-align:
right;"> <font color="#909AA4"><span style="padding-left:6px">April
30, 2018 at 10:03 AM</span></font></div> </div></div>
<div style="color:#909AA4;margin-left:24px;margin-right:24px;"
__pbrmquotes="true" class="__pbConvBody"><div>Hi,<br><br>We recently
made some changes to Zuul which you may want to know about<br>if you
interact with a large number of projects.<br><br>Previously, each change
to Zuul which updated Zuul's configuration<br>(e.g., a change to a
project's zuul.yaml file) would consume a<br>significant amount of
memory. If we had too many of these in the queue<br>at a time, the
server would run out of RAM. To mitigate this, we asked<br>folks who
regularly submit large numbers of configuration changes to<br>only
submit a few at a time.<br><br>We have updated Zuul so it now caches
much more of its configuration,<br>and the cost in memory of an
additional configuration change is very<br>small. An added bonus: they
are computed more quickly as well.<br><br>Of course, there's still a
cost to every change pushed up to Gerrit --<br>each one uses test nodes,
for instance, so if you need to make a large<br>number of changes,
please do consider the impact to the whole system and<br>other users.
However, there's no longer a need to severely restrict<br>configuration
changes as a class -- consider them as any other change.<br><br>-Jim<br><br>__________________________________________________________________________<br>OpenStack
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</blockquote>
<br>
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