Are you running on a 32 bit JVM? On Sep 17, 2014, at 9:43 AM, Yatong Zhang <bluefl...@gmail.com> wrote:
> Hi there, > > I am using leveled compaction strategy and have many sstable files. The error > was during the startup, so any idea about this? > > ERROR [FlushWriter:4] 2014-09-17 22:36:59,383 CassandraDaemon.java (line 199) > Exception in thread Thread[FlushWriter:4,5,main] > java.lang.OutOfMemoryError: unable to create new native thread > at java.lang.Thread.start0(Native Method) > at java.lang.Thread.start(Thread.java:693) > at > java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949) > at > java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:1017) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1163) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:724) > ERROR [FlushWriter:2] 2014-09-17 22:36:59,472 CassandraDaemon.java (line 199) > Exception in thread Thread[FlushWriter:2,5,main] > FSReadError in > /data5/cass/system/compactions_in_progress/system-compactions_in_progress-jb-23-Index.db > at > org.apache.cassandra.io.util.MmappedSegmentedFile$Builder.createSegments(MmappedSegmentedFile.java:200) > at > org.apache.cassandra.io.util.MmappedSegmentedFile$Builder.complete(MmappedSegmentedFile.java:168) > at > org.apache.cassandra.io.sstable.SSTableWriter.closeAndOpenReader(SSTableWriter.java:334) > at > org.apache.cassandra.io.sstable.SSTableWriter.closeAndOpenReader(SSTableWriter.java:324) > at > org.apache.cassandra.db.Memtable$FlushRunnable.writeSortedContents(Memtable.java:394) > at > org.apache.cassandra.db.Memtable$FlushRunnable.runWith(Memtable.java:342) > at > org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48) > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:724) > Caused by: java.io.IOException: Map failed > at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:849) > at > org.apache.cassandra.io.util.MmappedSegmentedFile$Builder.createSegments(MmappedSegmentedFile.java:192) > ... 10 more > Caused by: java.lang.OutOfMemoryError: Map failed > at sun.nio.ch.FileChannelImpl.map0(Native Method) > at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:846) > ... 11 more >
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