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Code Issues Releases Wiki Activity

Garbage collect Drydock logs after 30 days

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Summary:
Ref T9252. Drydock logs are almost exclusively useful as a diagnostic tool for debugging immediate problems, so GC them fairly aggressively.

(I expect 99% of the usefulness of these logs to be within the first 24 hours, basically "why isn't my thing working". I can't really think of any cases where having old logs would be useful.)

Test Plan:
  - Ran GC, saw it hit the log table (with no effect).
  - Changed TTL from 30 days to 30 seconds, ran GC, saw it wipe recent logs.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T9252

Differential Revision: https://secure.phabricator.com/D14197
This commit is contained in:
epriestley 2015-10-01 08:09:27 -07:00
parent 2ef5b5321d
commit 06f9272502
2 changed files with 24 additions and 0 deletions
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2
src/__phutil_library_map__.php
View file

@ -845,6 +845,7 @@ phutil_register_library_map(array(
'DrydockLeaseWorker' => 'applications/drydock/worker/DrydockLeaseWorker.php',
'DrydockLog' => 'applications/drydock/storage/DrydockLog.php',
'DrydockLogController' => 'applications/drydock/controller/DrydockLogController.php',
'DrydockLogGarbageCollector' => 'applications/drydock/garbagecollector/DrydockLogGarbageCollector.php',
'DrydockLogListController' => 'applications/drydock/controller/DrydockLogListController.php',
'DrydockLogListView' => 'applications/drydock/view/DrydockLogListView.php',
'DrydockLogQuery' => 'applications/drydock/query/DrydockLogQuery.php',
@ -4586,6 +4587,7 @@ phutil_register_library_map(array(
'PhabricatorPolicyInterface',
),
'DrydockLogController' => 'DrydockController',
'DrydockLogGarbageCollector' => 'PhabricatorGarbageCollector',
'DrydockLogListController' => 'DrydockLogController',
'DrydockLogListView' => 'AphrontView',
'DrydockLogQuery' => 'DrydockQuery',

22
src/applications/drydock/garbagecollector/DrydockLogGarbageCollector.php Normal file
View file

@ -0,0 +1,22 @@
<?php
final class DrydockLogGarbageCollector
extends PhabricatorGarbageCollector {
public function collectGarbage() {
$log_table = new DrydockLog();
$conn_w = $log_table->establishConnection('w');
$now = PhabricatorTime::getNow();
$ttl = phutil_units('30 days in seconds');
queryfx(
$conn_w,
'DELETE FROM %T WHERE epoch <= %d LIMIT 100',
$log_table->getTableName(),
$now - $ttl);
return ($conn_w->getAffectedRows() == 100);
}
}