2015-03-20 10:22 GMT+08:00 Shu, Xinxin <xinxin....@intel.com>: > 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-ow...@vger.kernel.org > [mailto:ceph-devel-ow...@vger.kernel.org] On Behalf Of Xinze Chi > Sent: Thursday, March 19, 2015 5:23 PM > To: Sage Weil; sj...@redhat.com; Haomai Wang; ceph-devel@vger.kernel.org > 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 majord...@vger.kernel.org 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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
