Omer Frenkel has posted comments on this change.

Change subject: core: long query response time while many simultaneously 
queries are running
......................................................................


Patch Set 5:

(1 comment)

http://gerrit.ovirt.org/#/c/27586/5/backend/manager/modules/vdsbroker/src/main/java/org/ovirt/engine/core/vdsbroker/VdsUpdateRunTimeInfo.java
File 
backend/manager/modules/vdsbroker/src/main/java/org/ovirt/engine/core/vdsbroker/VdsUpdateRunTimeInfo.java:

Line 1518:             for (DiskImageDynamic disk : 
vmInternalData.getVmDynamic().getDisks()) {
Line 1519:                 requiredDisks.add(disk.getId());
Line 1520:             }
Line 1521:         }
Line 1522:         Map<Guid, Guid> diskImages = 
getDbFacade().getImageDao().getImageIdForDisks(requiredDisks);
> can you place code above the call the updateVmStatistics? its too early in 
well i guess it have to be outside of the for loop, as this is a one-time call,
but we need this only on statistics cycle (5th) not every cycle,
so please: 
first, extract this  to a method.
then call this only if _vdsManager.getRefreshStatistics()
 another option is to do lazy evaluation and call it from updateVmStatistics:
private Guid getActiveImageId(id) {
 if (requiredDisks == null) {
  populate requiredDisks;
}
return requiredDisks.get(id)
}
Line 1523:         for (VmInternalData vmInternalData : _runningVms.values()) {
Line 1524:             VmDynamic runningVm = vmInternalData.getVmDynamic();
Line 1525:             VM vmToUpdate = _vmDict.get(runningVm.getId());
Line 1526: 


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Gerrit-MessageType: comment
Gerrit-Change-Id: I94e20d782bc4e2befaf4338f51551a2855509769
Gerrit-PatchSet: 5
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Liran Zelkha <lzel...@redhat.com>
Gerrit-Reviewer: Allon Mureinik <amure...@redhat.com>
Gerrit-Reviewer: Barak Azulay <bazu...@redhat.com>
Gerrit-Reviewer: Eli Mesika <emes...@redhat.com>
Gerrit-Reviewer: Liran Zelkha <lzel...@redhat.com>
Gerrit-Reviewer: Omer Frenkel <ofren...@redhat.com>
Gerrit-Reviewer: Oved Ourfali <oourf...@redhat.com>
Gerrit-Reviewer: Roy Golan <rgo...@redhat.com>
Gerrit-Reviewer: automat...@ovirt.org
Gerrit-Reviewer: oVirt Jenkins CI Server
Gerrit-HasComments: Yes
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