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https://issues.apache.org/jira/browse/CLOUDSTACK-10202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16303726#comment-16303726
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ASF GitHub Bot commented on CLOUDSTACK-10202:
---------------------------------------------
niteshsarda commented on a change in pull request #2373:
CLOUDSTACK-10202:createSnapshotPolicy API create multiple entries in DB for
same volume.
URL: https://github.com/apache/cloudstack/pull/2373#discussion_r158689749
##########
File path: server/src/com/cloud/storage/snapshot/SnapshotManagerImpl.java
##########
@@ -854,15 +855,17 @@ public SnapshotPolicyVO
createPolicy(CreateSnapshotPolicyCmd cmd, Account policy
throw new InvalidParameterValueException("Max number of
snapshots shouldn't exceed the " + message + " level snapshot limit");
}
}
- SnapshotPolicyVO policy =
_snapshotPolicyDao.findOneByVolumeInterval(volumeId, intvType);
- if (policy == null) {
- policy = new SnapshotPolicyVO(volumeId, cmd.getSchedule(),
timezoneId, intvType, cmd.getMaxSnaps(), display);
- policy = _snapshotPolicyDao.persist(policy);
- _snapSchedMgr.scheduleNextSnapshotJob(policy);
- } else {
- try {
+
+ policy = _snapshotPolicyDao.acquireInLockTable(volumeId);
Review comment:
@marcaurele : Changed the code as per your suggestion. Now added a code for
using global lock along with volume id added in the lock name.
Can you please review the new code ?
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> createSnapshotPolicy API create multiple entries in DB for same volume.
> -----------------------------------------------------------------------
>
> Key: CLOUDSTACK-10202
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10202
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: Nitesh Sarda
>
> *ISSUE :*
> createSnapshotPolicy API create multiple entries in DB for same parameters,
> if multiple threads are executed in parallel.
> *STEPS TO REPRODUCE :*
> # Created a new machine having root and data disk.
> # Make sure that no existing snapshot policy is present for the volume.
> # Execute multiple threads in parallel for createSnapshotPolicy API having
> all required parameters exactly same.
> # Verify table snapshot_policy in DB, will get multiple entries for same
> policy.
> # Once again execute same multiple threads, by changing any API parameter,
> will see that existing entries are getting modified in DB and no new entries
> are added.
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