Gilad Chaplik has posted comments on this change.

Change subject: core: Fast update quota cache
......................................................................


Patch Set 8: (2 inline comments)

....................................................
File 
backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/quota/QuotaManager.java
Line 33: 
Line 34:     // when (cache size/number of quota in DB) ratio is under this 
minimum threshold - the calls to
Line 35:     // updateQuotaCache() would result in cache update. otherwise 
update will be executed.
Line 36:     private static final double MINIMUM_CACHE_FACTOR =
Line 37:             (double) Config.<Integer> 
GetValue(ConfigValues.MinimumPercentageToUpdateQuotaCache) / 100;
move the division by 100 to the actual calc, or rename 'MINIMUM... ' to 
'Minimum... inPERCETAGE'; it's confusing.
Line 38: 
Line 39:     public static QuotaManager getInstance() {
Line 40:         return INSTANCE;
Line 41:     }


Line 1010:                 if 
(!storagePoolQuotaMap.containsKey(quota.getStoragePoolId())) {
Line 1011:                     
storagePoolQuotaMap.put(quota.getStoragePoolId(), new HashMap<Guid,Quota>());
Line 1012:                 }
Line 1013:                 
storagePoolQuotaMap.get(quota.getStoragePoolId()).put(quota.getId(), quota);
Line 1014:             }
ofri is constructing the map within a lock.
he can construct the map outside the lock and only set the map inside the lock
Line 1015:         } finally {
Line 1016:             lock.writeLock().unlock();
Line 1017:         }
Line 1018:         long timeEnd = System.currentTimeMillis();


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Gerrit-MessageType: comment
Gerrit-Change-Id: Id3db08957e413d2f1e0480b764334dd7268c8221
Gerrit-PatchSet: 8
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: ofri masad <oma...@redhat.com>
Gerrit-Reviewer: Doron Fediuck <dfedi...@redhat.com>
Gerrit-Reviewer: Eli Mesika <emes...@redhat.com>
Gerrit-Reviewer: Gilad Chaplik <gchap...@redhat.com>
Gerrit-Reviewer: Michael Kublin <mkub...@redhat.com>
Gerrit-Reviewer: Yair Zaslavsky <yzasl...@redhat.com>
Gerrit-Reviewer: ofri masad <oma...@redhat.com>
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