Hi Mark Here are the tunings that we used to avoid the IOPs choppiness caused by rocksdb compaction. We need to add the following options in src/kv/RocksDBStore.cc before rocksdb::DB::Open in RocksDBStore::do_open opt.IncreaseParallelism(16); opt.OptimizeLevelStyleCompaction(512 * 1024 * 1024); Thanks Mana > PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies). -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
