sorry, about 300k+ On Wed, Sep 17, 2014 at 10:56 PM, Yatong Zhang <bluefl...@gmail.com> wrote:
> no, I am running 64 bit JVM。 But I have many sstable files, about 30k+ > > On Wed, Sep 17, 2014 at 10:50 PM, graham sanderson <gra...@vast.com> > wrote: > >> 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 >>> >> >> >> >
