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Posted to issues@hbase.apache.org by "Anoop Sam John (JIRA)" <ji...@apache.org> on 2016/08/24 08:29:20 UTC
[jira] [Issue Comment Deleted] (HBASE-16460) Can't rebuild the
BucketAllocator's data structures when BucketCache use FileIOEngine
[ https://issues.apache.org/jira/browse/HBASE-16460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anoop Sam John updated HBASE-16460:
-----------------------------------
Comment: was deleted
(was: OK.. Leave my comment on this then pls.)
> Can't rebuild the BucketAllocator's data structures when BucketCache use FileIOEngine
> -------------------------------------------------------------------------------------
>
> Key: HBASE-16460
> URL: https://issues.apache.org/jira/browse/HBASE-16460
> Project: HBase
> Issue Type: Bug
> Components: BucketCache
> Affects Versions: 2.0.0, 1.1.6, 1.3.1, 1.2.3, 0.98.22
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Attachments: HBASE-16460-v1.patch, HBASE-16460-v2.patch, HBASE-16460-v2.patch, HBASE-16460-v3.patch, HBASE-16460.patch
>
>
> When bucket cache use FileIOEngine, it will rebuild the bucket allocator's data structures from a persisted map. So it should first read the map from persistence file then use the map to new a BucketAllocator. But now the code has wrong sequence in retrieveFromFile() method of BucketCache.java.
> {code}
> BucketAllocator allocator = new BucketAllocator(cacheCapacity, bucketSizes, backingMap, realCacheSize);
> backingMap = (ConcurrentHashMap<BlockCacheKey, BucketEntry>) ois.readObject();
> {code}
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