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https://issues.apache.org/jira/browse/HBASE-16460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guanghao Zhang updated HBASE-16460:
-----------------------------------
Status: Patch Available (was: Open)
> 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
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Attachments: 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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