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https://issues.apache.org/jira/browse/GEODE-8035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098221#comment-17098221
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ASF GitHub Bot commented on GEODE-8035:
---------------------------------------
agingade commented on a change in pull request #5014:
URL: https://github.com/apache/geode/pull/5014#discussion_r419046473
##########
File path:
geode-core/src/main/java/org/apache/geode/internal/cache/xmlcache/CacheCreation.java
##########
@@ -521,12 +521,12 @@ void create(InternalCache cache)
cache.initializePdxRegistry();
- for (DiskStore diskStore : diskStores.values()) {
+ diskStores.values().parallelStream().forEach(diskStore -> {
DiskStoreAttributesCreation creation = (DiskStoreAttributesCreation)
diskStore;
if (creation != pdxRegDSC) {
createDiskStore(creation, cache);
}
- }
+ });
Review comment:
Based on the DiskStoreFactory.create() it can throw
IllegalArgumentException; probably IOException based on the disk read failures.
In case there are multiple disk-store failures, we will leave the parallel
stream to throw the exception or we will capture all the exception and throw a
single exception with all the disk=store names in it...
I was thinking from unit test level; if there are already tests covering the
new code. No need of new tests.
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> Parallel Disk Store Recovery when Cluster Restarts
> --------------------------------------------------
>
> Key: GEODE-8035
> URL: https://issues.apache.org/jira/browse/GEODE-8035
> Project: Geode
> Issue Type: Improvement
> Reporter: Jianxia Chen
> Assignee: Jianxia Chen
> Priority: Major
> Labels: GeodeCommons
>
> Currently, when Geode cluster restarts, the disk store recovery is
> serialized. When all regions share the same disk store, the restart process
> is time consuming. To improve the performance, different regions can use
> different disk stores with different disk controllers. And adding parallel
> disk store recovery. This is expected to significantly reduce the time to
> restart Geode cluster.
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