[jira] [Created] (ASTERIXDB-2183) LSMHarness merge fails

["Taewoo Kim (JIRA)" <ji...@apache.org>]

Taewoo Kim created ASTERIXDB-2183:
-------------------------------------

             Summary: LSMHarness merge fails
                 Key: ASTERIXDB-2183
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2183
             Project: Apache AsterixDB
          Issue Type: Bug
            Reporter: Taewoo Kim


LSMHarness merge() operation fails on indexes with the following error. All index types are affected.

Nov 30, 2017 6:58:07 PM org.apache.hyracks.storage.am.lsm.common.impls.LSMHarness merge
SEVERE: Failed merge operation on {"class" : "LSMInvertedIndex", "dir" : "/mnt/ssd/scratch/waans11/asterixdb/io1/storage/partition_4/twitter/ds_tweet_idx_text_idx", "memory" : 2, "disk" : 894}
java.lang.Error: Maximum lock count exceeded
        at java.util.concurrent.locks.ReentrantReadWriteLock$Sync.fullTryAcquireShared(ReentrantReadWriteLock.java:528)
        at java.util.concurrent.locks.ReentrantReadWriteLock$Sync.tryAcquireShared(ReentrantReadWriteLock.java:488)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(AbstractQueuedSynchronizer.java:1282)
        at java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock(ReentrantReadWriteLock.java:727)
        at org.apache.hyracks.storage.common.buffercache.CachedPage.acquireReadLatch(CachedPage.java:120)
        at org.apache.hyracks.storage.am.btree.impls.BTree.acquireLatch(BTree.java:542)
        at org.apache.hyracks.storage.am.btree.impls.BTree.performOp(BTree.java:570)
        at org.apache.hyracks.storage.am.btree.impls.BTree.search(BTree.java:198)
        at org.apache.hyracks.storage.am.btree.impls.BTree.access$300(BTree.java:69)
        at org.apache.hyracks.storage.am.btree.impls.BTree$BTreeAccessor.search(BTree.java:902)
        at org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexRangeSearchCursor.open(OnDiskInvertedIndexRangeSearchCursor.java:74)
        at org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex$OnDiskInvertedIndexAccessor.rangeSearch(OnDiskInvertedIndex.java:463)
        at org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndexRangeSearchCursor.open(LSMInvertedIndexRangeSearchCursor.java:68)
        at org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex.search(LSMInvertedIndex.java:223)
        at org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex.doMerge(LSMInvertedIndex.java:353)
        at org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex.merge(AbstractLSMIndex.java:671)
        at org.apache.hyracks.storage.am.lsm.common.impls.LSMHarness.merge(LSMHarness.java:574)
        at org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndexAccessor.merge(LSMInvertedIndexAccessor.java:124)
        at org.apache.hyracks.storage.am.lsm.common.impls.MergeOperation.call(MergeOperation.java:45)
        at org.apache.hyracks.storage.am.lsm.common.impls.MergeOperation.call(MergeOperation.java:30)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)

This error was generated continuously until the node becomes inactive.




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