Ups, not true, Elasticsearch uses Lucene codec compression, and this is also LZ4 (LZF only for backwards compatibility)
Here are some numbers: http://blog.jpountz.net/post/33247161884/efficient-compressed-stored-fields-with-lucene Jörg On Wed, Jul 16, 2014 at 2:28 PM, joergpra...@gmail.com < joergpra...@gmail.com> wrote: > You will not gain much advantage because ES already compresses data on > disk with LZF, ZFS is using LZ4, which compression output is quite similar. > In the file system statistics you will notice the compression ratio, and > this will be no good value. So instead of having ZFS trying to compress > where not much can be gained, you should switch it off. > > Jörg > > > On Wed, Jul 16, 2014 at 12:56 PM, horst knete <baduncl...@hotmail.de> > wrote: > >> Hey Guys, >> >> to save a lot of hard disk space, we are going to use an compression file >> system, which allows us transparent compression for the es-indices. (It >> seems like es-indices are very good compressable, got up to 65% >> compression-rate in some tests). >> >> Currently the indices are laying at a ext4-Linux Filesystem which >> unfortunately dont have the transparent compression ability. >> >> Anyone of you got experience with compression file systems like BTRFS or >> ZFS/OpenZFS and can tell us if this led to big performance losses? >> >> Thanks for responding >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elasticsearch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to elasticsearch+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elasticsearch/6c6c806a-f638-4139-a080-3da7670f0eca%40googlegroups.com >> <https://groups.google.com/d/msgid/elasticsearch/6c6c806a-f638-4139-a080-3da7670f0eca%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAKdsXoF%3D%3DEumbfUWcr0VyN4frFvAFqv8jHTmP%3DtBKB9jW%3D0oOQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
