[jira] [Created] (SAMZA-965) Occasional error opening RocksDB store

["Jake Maes (JIRA)" <ji...@apache.org>]

Jake Maes created SAMZA-965:
-------------------------------

             Summary: Occasional error opening RocksDB store
                 Key: SAMZA-965
                 URL: https://issues.apache.org/jira/browse/SAMZA-965
             Project: Samza
          Issue Type: Bug
            Reporter: Jake Maes


org.apache.samza.SamzaException: Error opening RocksDB store member-settings at location /export/content/data/samsa-yarn/samza-logged-stores/samza-atc-pipeline-i001/member-settings/Partition_95, received the following exception from RocksDB org.rocksdb.RocksDBException: IO error: lock /export/content/data/samsa-yarn/samza-logged-stores/samza-atc-pipeline-i001/member-settings/Partition_95/LOCK: Resource temporarily unavailable
	at org.apache.samza.storage.kv.RocksDbKeyValueStore$.openDB(RocksDbKeyValueStore.scala:86)
	at org.apache.samza.storage.kv.RocksDbKeyValueStore.db$lzycompute(RocksDbKeyValueStore.scala:108)
	at org.apache.samza.storage.kv.RocksDbKeyValueStore.db(RocksDbKeyValueStore.scala:108)
	at org.apache.samza.storage.kv.RocksDbKeyValueStore.putAll(RocksDbKeyValueStore.scala:162)
	at org.apache.samza.storage.kv.KeyValueStorageEngine.restore(KeyValueStorageEngine.scala:114)
	at org.apache.samza.storage.TaskStorageManager$$anonfun$restoreStores$3.apply(TaskStorageManager.scala:182)
	at org.apache.samza.storage.TaskStorageManager$$anonfun$restoreStores$3.apply(TaskStorageManager.scala:176)
	at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772)
	at scala.collection.immutable.HashMap$HashMap1.foreach(HashMap.scala:224)
	at scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:403)
	at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771)
	at org.apache.samza.storage.TaskStorageManager.restoreStores(TaskStorageManager.scala:176)
	at org.apache.samza.storage.TaskStorageManager.init(TaskStorageManager.scala:70)
	at org.apache.samza.container.TaskInstance.startStores(TaskInstance.scala:99)
	at org.apache.samza.container.SamzaContainer$$anonfun$startStores$2.apply(SamzaContainer.scala:664)
	at org.apache.samza.container.SamzaContainer$$anonfun$startStores$2.apply(SamzaContainer.scala:662)
	at scala.collection.Iterator$class.foreach(Iterator.scala:727)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
	at scala.collection.MapLike$DefaultValuesIterable.foreach(MapLike.scala:206)
	at org.apache.samza.container.SamzaContainer.startStores(SamzaContainer.scala:662)
	at org.apache.samza.container.SamzaContainer.run(SamzaContainer.scala:575)
	at org.apache.samza.container.SamzaContainer$.safeMain(SamzaContainer.scala:97)
	at org.apache.samza.container.SamzaContainer$.main(SamzaContainer.scala:71)
	at org.apache.samza.container.SamzaContainer.main(SamzaContainer.scala)


A quick search didn't turn up any rocksdb fixes.



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