Hi, I couldn't find anything on this issue, but maybe my google-fu is weak.
I'm running a Cassandra 1.0.0-rc2 cluster with compression enabled for all of the two CFs I have right now. The load on a single node is about 32GB (disk is 80GB per node). Whenever I try to run a compaction using nodetool on one of the CFs, I get the message "insufficient space to compact all requested files" in the log (it goes on to compact some SSTables, but not all). As not even half of the disk is used, compaction should be possible, right? Or does Cassandra use the uncompressed size to check whether there is enough space or not? I estimate that the data is compressed by a factor of about 3x. Cheers, Günter -- Dipl.-Inform. Günter Ladwig Karlsruhe Institute of Technology (KIT) Institute AIFB Englerstraße 11 (Building 11.40, Room 250) 76131 Karlsruhe, Germany Phone: +49 721 608-47946 Email: guenter.lad...@kit.edu Web: www.aifb.kit.edu KIT – University of the State of Baden-Württemberg and National Large-scale Research Center of the Helmholtz Association
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