Maybe you're seeing this: https://issues.apache.org/jira/browse/CASSANDRA-1416
On Thu, Aug 26, 2010 at 2:05 PM, Aaron Morton <aa...@thelastpickle.com>wrote: > Under 0.7.0 beta1 am seeing cassandra run out of files handles... > > Caused by: java.io.FileNotFoundException: /local1/junkbox/cassandra/data/ > junkbox.wetafx.co.nz/ObjectIndex-e-31-Index.db (Too many open files) > at java.ioRandomAccessFile.open(Native Method) > at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212) > at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98) > at > org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:142) > > If I look at the file descriptors for the process I can see it already has > 1,958 for to the file > > sudo ls -l /proc/20862/fd | grep "ObjectIndex-e-31-Data.db" | wc -l > 1958 > > Out of a total of 2044. > > Other nodes in the cluster have a similar number of fd's - around 2k with > the majority to one SSTable. > > I did not experience this under 0.6 so just checking if this sounds OK and > I should just increase the number of handles or if it's a bug? > > Thanks > Aaron > > > >
