On Fri, Apr 12, 2013 at 12:41 PM, Jim Schutt <jaschut@xxxxxxxxxx> wrote: > Hi Greg, > > > On 04/10/2013 06:39 PM, Gregory Farnum wrote: >> Jim, >> I took this patch as a base for setting up config options which people >> can tune manually and have pushed those changes to wip-leveldb-config. > > I was out of the office unexpectedly for a few days, > so I'm just now taking a look. > >> Thanks very much for figuring out how to set up the cache et al! > > No problem! > >> >> For now I restructured quite a bit of the data ingestion, and I took >> your defaults for the monitor on the write buffer, block size, and >> compression, but I left the cache off. These also don't apply to the >> OSDs at all. In order to enable more experimentation I do pass through >> the options though: >> OPTION(mon_ldb_write_buffer_size, OPT_U64, 32*1024*1024) // monitor's >> leveldb write buffer size >> OPTION(mon_ldb_cache_size, OPT_U64, 0) // monitor's leveldb cache size >> OPTION(mon_ldb_block_size, OPT_U64, 4*1024*1024) // monitor's leveldb block size >> OPTION(mon_ldb_bloom_size, OPT_INT, 0) // monitor's leveldb bloom bits per entry >> OPTION(mon_ldb_max_open_files, OPT_INT, 0) // monitor's leveldb max open files >> OPTION(mon_ldb_compression, OPT_BOOL, false) // monitor's leveldb uses >> compression >> (and similar ones for osd_ldb_*). On request from Sage these are now "*_leveldb_*" instead of "*_ldb_*"; I pushed that a couple hours ago. In case you haven't already pulled down a copy, and so you know for when it gets into mainline and you go to adjust it. :) -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
