[mythtv-commits] Ticket #11282: Marking episode first/last performance improvement when no programid is available
MythTV
noreply at mythtv.org
Sun Dec 9 09:59:45 UTC 2012
#11282: Marking episode first/last performance improvement when no programid is
available
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Reporter: mv02@… | Owner: stuartm
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - | Version: 0.26-fixes
Mythfilldatabase | Keywords: mythfilldatabase
Severity: low | performance database schema
Ticket locked: 0 |
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The patch introduced in Ticket #10482 greatly improves performance for
program entries which have a programid. However on my system with lots of
entries without a programid (~73000, provider epgdata for Germany) episode
marking now takes around 20 minutes. During this time, MySQL is consuming
one CPU core completely, but not doing much I/O.
Adding an additional INDEX for columns starttime, title and subtitle
improved the performance dramatically, now episode marking is done in
about 10 seconds.
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Ticket URL: <http://code.mythtv.org/trac/ticket/11282>
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