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https://issues.apache.org/jira/browse/HBASE-17376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ChiaPing Tsai updated HBASE-17376:
----------------------------------
Assignee: ChiaPing Tsai
Fix Version/s: 2.0.0
Affects Version/s: 2.0.0
Status: Patch Available (was: Open)
> ClientAsyncPrefetchScanner fails due to too many rows
> -----------------------------------------------------
>
> Key: HBASE-17376
> URL: https://issues.apache.org/jira/browse/HBASE-17376
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: ChiaPing Tsai
> Assignee: ChiaPing Tsai
> Fix For: 2.0.0
>
> Attachments: HBASE.17376.v0.patch
>
>
> ClientAsyncPrefetchScanner uses a fixed capacity LinkedBlockingQueue, so it
> may throw “queue full”. For example, scan with infinite caching or extra data
> from observer.
> {noformat}
> @Override
> protected void initCache() {
> // concurrent cache
> cacheCapacity = calcCacheCapacity();
> cache = new LinkedBlockingQueue<Result>(cacheCapacity);
> cacheSizeInBytes = new AtomicLong(0);
> exceptionsQueue = new ConcurrentLinkedQueue<Exception>();
> prefetchRunnable = new PrefetchRunnable();
> prefetchRunning = new AtomicBoolean(false);
> closingThreadId = new AtomicLong(NO_THREAD);
> }
> {noformat}
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