2015-03-20 10:22 GMT+08:00 Shu, Xinxin <xinxin.shu@xxxxxxxxx>: > I think rocksdb can support this configuration. > I do not find this option in rocksdb. If you know, can you provide this option to redirect the WAL file? Regards Ning Yao > Cheers, > xinxin > > -----Original Message----- > From: ceph-devel-owner@xxxxxxxxxxxxxxx [mailto:ceph-devel-owner@xxxxxxxxxxxxxxx] On Behalf Of Xinze Chi > Sent: Thursday, March 19, 2015 5:23 PM > To: Sage Weil; sjust@xxxxxxxxxx; Haomai Wang; ceph-devel@xxxxxxxxxxxxxxx > Subject: keyvaluestore speed up? > > hi, all: > > Currently at keyvaluestore, osd send sync > request(submit_transaction_sync) to filestore when it finishes a transaction. But sata disk is not suitable for doing sync request. ssd disk is more suitable. > > So I think whether we could separate leveldb *.log file with *.sst file and move *.log to ssd disk, which is similar with journal file in ceph. > > But now, the original leveldb do not support to separate log file and sst file. > > Wait for your comment. > > Thanks. > -- > 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 -- 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
