On Sat, Jun 22, 2013 at 11:21 AM, sankalp kohli <kohlisank...@gmail.com>wrote:
> Looks like memory map failed. In a 64 bit system, you should have > unlimited virtual memory but Linux has a limit on the number of maps. Looks > at these two places. > > > http://stackoverflow.com/questions/8892143/error-when-opening-a-lucene-index-map-failed > > https://blog.kumina.nl/2011/04/cassandra-java-io-ioerror-java-io-ioexception-map-failed/ > That sounds very plausible, I have a CF with a very large number of files as I used the default sstable_size_in_mb, I'm following another thread on how to recover from that. cheers > > > > > > On Fri, Jun 21, 2013 at 3:22 PM, Franc Carter > <franc.car...@sirca.org.au>wrote: > >> >> Hi, >> >> I am experimenting with Cassandra-1.2.4, and got a crash while running >> repair. The nodes has 24GB of ram with an 8GB heap. Any ideas on my I may >> have missed in the config ? Log is below >> >> ERROR [Thread-136019] 2013-06-22 06:30:05,861 CassandraDaemon.java (line >> 174) Exception in thread Thread[Thread-136019,5,main] >> FSReadError in >> /var/lib/cassandra/data/cut3/Price/cut3-Price-ib-44369-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:340) >> at >> org.apache.cassandra.io.sstable.SSTableWriter.closeAndOpenReader(SSTableWriter.java:319) >> at >> org.apache.cassandra.streaming.IncomingStreamReader.streamIn(IncomingStreamReader.java:194) >> at >> org.apache.cassandra.streaming.IncomingStreamReader.read(IncomingStreamReader.java:122) >> at >> org.apache.cassandra.net.IncomingTcpConnection.stream(IncomingTcpConnection.java:238) >> at >> org.apache.cassandra.net.IncomingTcpConnection.handleStream(IncomingTcpConnection.java:178) >> at >> org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:78) >> Caused by: java.io.IOException: Map failed >> at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:748) >> at >> org.apache.cassandra.io.util.MmappedSegmentedFile$Builder.createSegments(MmappedSegmentedFile.java:192) >> ... 8 more >> Caused by: java.lang.OutOfMemoryError: Map failed >> at sun.nio.ch.FileChannelImpl.map0(Native Method) >> at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:745) >> ... 9 more >> ERROR [Thread-136019] 2013-06-22 06:30:05,865 FileUtils.java (line 375) >> Stopping gossiper >> >> >> thanks >> >> -- >> >> *Franc Carter* | Systems architect | Sirca Ltd >> <marc.zianideferra...@sirca.org.au> >> >> franc.car...@sirca.org.au | www.sirca.org.au >> >> Tel: +61 2 8355 2514 >> >> Level 4, 55 Harrington St, The Rocks NSW 2000 >> >> PO Box H58, Australia Square, Sydney NSW 1215 >> >> >> > -- *Franc Carter* | Systems architect | Sirca Ltd <marc.zianideferra...@sirca.org.au> franc.car...@sirca.org.au | www.sirca.org.au Tel: +61 2 8355 2514 Level 4, 55 Harrington St, The Rocks NSW 2000 PO Box H58, Australia Square, Sydney NSW 1215
