You can use BTIER <http://www.lessfs.com> in linux.(I don't know its stable or not).With FreeBSD you can use ZFS +L2ARC on SSD.
On Thu, Jun 13, 2013 at 6:35 AM, Michael Segel <michael_se...@hotmail.com>wrote: > I could have sworn there was a thread on this already. (Maybe the HBase > list?) > > Andrew P. kinda nailed it when he talked about the fact that you had to > write the replication(s). > > If you wanted improved performance, why not look at the hybrid drives that > have a small SSD buffer and a spinning disk? > > I don't know but it may be what you're looking for. > > HTH > > -Mike > > On Jun 12, 2013, at 5:18 AM, Lucas Stanley <lucas23...@gmail.com> wrote: > > Thanks Chris and Phil. > > > On Tue, Jun 11, 2013 at 1:31 PM, Chris Nauroth > <cnaur...@hortonworks.com>wrote: > >> Hi Lucas, >> >> HDFS does not have this capability right now, but there has been some >> preliminary discussion around adding features to support it. You might >> want to follow jira issues HDFS-2832 and HDFS-4672 if you'd like to receive >> notifications about the discussion. >> >> https://issues.apache.org/jira/browse/HDFS-2832 >> https://issues.apache.org/jira/browse/HDFS-4672 >> >> Chris Nauroth >> Hortonworks >> http://hortonworks.com/ >> >> >> >> On Mon, Jun 10, 2013 at 6:57 PM, Lucas Stanley <lucas23...@gmail.com>wrote: >> >>> Hi, >>> >>> Is it possible to tell Apache HDFS to store some files on SSD and the >>> rest of the files on spinning disks? >>> >>> So if each on my nodes has 1 SSD and 5 spinning disks, can I configure a >>> directory in HDFS to put all files in that dir on the SSD? >>> >>> I think Intel's Hadoop distribution is working on some SSD support right? >>> >> >> > >
