[webkit-dev] git.webkit.org problem

Mark Rowe mrowe at apple.com
Wed Feb 29 18:22:31 PST 2012

On 2012-02-29, at 18:20, Dirk Pranke <dpranke at chromium.org> wrote:

> On Wed, Feb 29, 2012 at 6:10 PM, Mark Rowe <mrowe at apple.com> wrote:
>> On 2012-02-29, at 17:05, Lucas Forschler <lforschler at apple.com> wrote:
>> build.webkit.org should be back online now with 0.8.5.
>> Thanks for your patience!
>> For anyone following along at home, upgrading to Buildbot v0.8.5 alone
>> actually made build.webkit.org substantially slower. After profiling it for
>> a while we noticed that it was spending an exceptionally long time
>> performing queries against its SQLite database. Some analysis on the queries
>> that were being run showed that the database lacked appropriate indices for
>> the queries, causing full table scans across rather large tables. Ouch. A
>> few "CREATE INDEX …" statements later and now build.webkit.org is responding
>> much more quickly than it has been in quite some time.
>> If anyone notices any bad behavior that they suspect may be related to this
>> upgrade, please let us know.
> svn.webkit.org (and trac) appears to be very unhappy at the moment;
> seems like this is likely related?

It may be that svn.webkit.org is unhappy about the thundering herd of reconnecting build slaves after the downtime.  We'll look in to it. 

- Mark

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