sstable2json dies with "Too many open files", regardless of ulimit
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Key: CASSANDRA-2304
URL: https://issues.apache.org/jira/browse/CASSANDRA-2304
Project: Cassandra
Issue Type: Bug
Reporter: Jason Harvey
Running sstable2json on the attached sstable eventually results in the
following:
{code}
Exception in thread "main" java.io.IOError: java.io.FileNotFoundException:
/var/lib/cassandra/data/reddit/CommentSortsCache-f-9764-Data.db (Too many open
files)
at
org.apache.cassandra.io.util.BufferedSegmentedFile.getSegment(BufferedSegmentedFile.java:68)
at
org.apache.cassandra.io.sstable.SSTableReader.getFileDataInput(SSTableReader.java:567)
at
org.apache.cassandra.db.columniterator.SSTableSliceIterator.<init>(SSTableSliceIterator.java:49)
at
org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:68)
at
org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80)
at
org.apache.cassandra.tools.SSTableExport.serializeRow(SSTableExport.java:187)
at
org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:355)
at
org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:377)
at
org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:390)
at org.apache.cassandra.tools.SSTableExport.main(SSTableExport.java:448)
Caused by: java.io.FileNotFoundException:
/var/lib/cassandra/data/reddit/CommentSortsCache-f-9764-Data.db (Too many open
files)
at java.io.RandomAccessFile.open(Native Method)
at java.io.RandomAccessFile.<init>(RandomAccessFile.java:233)
at
org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:111)
at
org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:106)
at
org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:91)
at
org.apache.cassandra.io.util.BufferedSegmentedFile.getSegment(BufferedSegmentedFile.java:62)
{code}
Set my ulimit -n to 60000 and got the same result. Leaking file descriptors?
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