Jure Pečar wrote: >>> Ray Van Dolson wrote: >>>>> I think what you want is a proper storage array with mirrored write >>>>> cache. > > When ext3 came into widespread use, a popular method to "cache" frequent > fsyncs was to run it in a full data journaling mode, with external journal on > a separate disk. > This turned all random writes to a sequential write, limited to a very small > piece of disk and a periodical journal flush to the real file system. > This worked amazingly well for busy mail queues - throughput went up 10x and > more. People were also reporting improvements in NFS scenarios. Don't know > how this is relevant today in times of SSD, but it should be worth to test it. > >
separate disk only? Don't forget nvram sticks or bbu ramdrives. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
