Very interesting, have to take a closer look. Thanks Uwe. D.
On Mon, Dec 22, 2014 at 11:39 AM, Uwe Schindler <u...@thetaphi.de> wrote: > Hi Dawid, > > there are cool things that might be useful just not for Lucene's Java code. > Like ZFS it now has snapshot functionality and you can copy files mostly > without doing I/O (shallow-copy, it uses copy-on-write semantics to do that). > This might be useful for backup purposes. I know we did most of this already > in the index file format, it might just be a good idea to investigate this > e.g. for the snapshot/backup functionality of Elasticsearch. You can also > quickly put an index on a separate subvolume, so you can manage it separately > from your other filesystems. Those subvolumes are extensible without hassle > if they get too small (you can also overallocate the real available space). > You can also quickly turn subvolumes into RAIDs. > > What is also interesting, is a slightly different approach for journaling. > This might improve performance for us, not yet tested. > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > >> -----Original Message----- >> From: Dawid Weiss [mailto:dawid.we...@gmail.com] >> Sent: Monday, December 22, 2014 8:48 AM >> To: java-user@lucene.apache.org >> Cc: Uwe Schindler >> Subject: Re: BTRFS ? >> >> > I spotted Uwe's comment in JIRA the other day "....BTRFS, which might >> > also bring some cool things for Lucene.". >> >> What cool things about BTRFS are you talking about, Uwe? Just curious. >> >> Dawid >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
