Ah, that makes sense. snapshot_before_compaction is trying to snapshot, but incremental_backups already created one (for newly flushed sstables). You're probably the only one running with both options on. :)
Can you create a ticket? On Tue, May 3, 2011 at 2:05 PM, Mck <m...@apache.org> wrote: > On Tue, 2011-05-03 at 13:52 -0500, Jonathan Ellis wrote: >> you should probably look to see what errno 17 means for the link >> system call on your system. > > That the file already exists. > It seems cassandra is trying to make the same hard link in parallel > (under heavy write load) ? > > I see now i can also reproduce the problem with hadoop and > ColumnFamilyOutputFormat. > Turning off snapshot_before_compaction seems to be enough to prevent > it. > > ~mck > > > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com