> On 5 Mar 2019, at 10.02, Paul Emmerich <paul.emmerich@xxxxxxxx> wrote: > > Yeah, there's a bug in 13.2.4. You need to set it to at least ~1.2GB. Yeap thanks, setting it at 1G+256M worked :) Hope this won’t bloat memory during coming weekend VM backups through CephFS /Steffen > > On Tue, Mar 5, 2019 at 9:00 AM Steffen Winther Sørensen > <stefws@xxxxxxxxx> wrote: >> >> >> >> On 4 Mar 2019, at 16.09, Paul Emmerich <paul.emmerich@xxxxxxxx> wrote: >> >> Bloated to ~4 GB per OSD and you are on HDDs? >> >> Something like that yes. >> >> >> 13.2.3 backported the cache auto-tuning which targets 4 GB memory >> usage by default. >> >> >> See https://ceph.com/releases/13-2-4-mimic-released/ >> >> Right, thanks… >> >> >> The bluestore_cache_* options are no longer needed. They are replaced >> by osd_memory_target, defaulting to 4GB. BlueStore will expand >> and contract its cache to attempt to stay within this >> limit. Users upgrading should note this is a higher default >> than the previous bluestore_cache_size of 1GB, so OSDs using >> BlueStore will use more memory by default. >> For more details, see the BlueStore docs. >> >> Adding a 'osd memory target’ value to our ceph.conf and restarting an OSD just makes the OSD dump like this: >> >> [osd] >> ; this key makes 13.2.4 OSDs abort??? >> osd memory target = 1073741824 >> >> ; other OSD key settings >> osd pool default size = 2 # Write an object 2 times. >> osd pool default min size = 1 # Allow writing one copy in a degraded state. >> >> osd pool default pg num = 256 >> osd pool default pgp num = 256 >> >> client cache size = 131072 >> osd client op priority = 40 >> osd op threads = 8 >> osd client message size cap = 512 >> filestore min sync interval = 10 >> filestore max sync interval = 60 >> >> recovery max active = 2 >> recovery op priority = 30 >> osd max backfills = 2 >> >> >> >> >> osd log snippet: >> -472> 2019-03-05 08:36:02.233 7f2743a8c1c0 1 -- - start start >> -471> 2019-03-05 08:36:02.234 7f2743a8c1c0 2 osd.12 0 init /var/lib/ceph/osd/ceph-12 (looks like hdd) >> -470> 2019-03-05 08:36:02.234 7f2743a8c1c0 2 osd.12 0 journal /var/lib/ceph/osd/ceph-12/journal >> -469> 2019-03-05 08:36:02.234 7f2743a8c1c0 1 bluestore(/var/lib/ceph/osd/ceph-12) _mount path /var/lib/ceph/osd/ceph-12 >> -468> 2019-03-05 08:36:02.235 7f2743a8c1c0 1 bdev create path /var/lib/ceph/osd/ceph-12/block type kernel >> -467> 2019-03-05 08:36:02.235 7f2743a8c1c0 1 bdev(0x55b31af4a000 /var/lib/ceph/osd/ceph-12/block) open path /var/lib/ceph/osd/ceph-12/block >> -466> 2019-03-05 08:36:02.236 7f2743a8c1c0 1 bdev(0x55b31af4a000 /var/lib/ceph/osd/ceph-12/block) open size 146775474176 (0x222c800000, 137 GiB) block_size 4096 (4 KiB) rotational >> -465> 2019-03-05 08:36:02.236 7f2743a8c1c0 1 bluestore(/var/lib/ceph/osd/ceph-12) _set_cache_sizes cache_size 1073741824 meta 0.4 kv 0.4 data 0.2 >> -464> 2019-03-05 08:36:02.237 7f2743a8c1c0 1 bdev create path /var/lib/ceph/osd/ceph-12/block type kernel >> -463> 2019-03-05 08:36:02.237 7f2743a8c1c0 1 bdev(0x55b31af4aa80 /var/lib/ceph/osd/ceph-12/block) open path /var/lib/ceph/osd/ceph-12/block >> -462> 2019-03-05 08:36:02.238 7f2743a8c1c0 1 bdev(0x55b31af4aa80 /var/lib/ceph/osd/ceph-12/block) open size 146775474176 (0x222c800000, 137 GiB) block_size 4096 (4 KiB) rotational >> -461> 2019-03-05 08:36:02.238 7f2743a8c1c0 1 bluefs add_block_device bdev 1 path /var/lib/ceph/osd/ceph-12/block size 137 GiB >> -460> 2019-03-05 08:36:02.238 7f2743a8c1c0 1 bluefs mount >> -459> 2019-03-05 08:36:02.339 7f2743a8c1c0 0 set rocksdb option compaction_readahead_size = 2097152 >> -458> 2019-03-05 08:36:02.339 7f2743a8c1c0 0 set rocksdb option compression = kNoCompression >> -457> 2019-03-05 08:36:02.339 7f2743a8c1c0 0 set rocksdb option max_write_buffer_number = 4 >> -456> 2019-03-05 08:36:02.339 7f2743a8c1c0 0 set rocksdb option min_write_buffer_number_to_merge = 1 >> -455> 2019-03-05 08:36:02.339 7f2743a8c1c0 0 set rocksdb option recycle_log_file_num = 4 >> -454> 2019-03-05 08:36:02.339 7f2743a8c1c0 0 set rocksdb option writable_file_max_buffer_size = 0 >> -453> 2019-03-05 08:36:02.339 7f2743a8c1c0 0 set rocksdb option write_buffer_size = 268435456 >> -452> 2019-03-05 08:36:02.340 7f2743a8c1c0 0 set rocksdb option compaction_readahead_size = 2097152 >> -451> 2019-03-05 08:36:02.340 7f2743a8c1c0 0 set rocksdb option compression = kNoCompression >> -450> 2019-03-05 08:36:02.340 7f2743a8c1c0 0 set rocksdb option max_write_buffer_number = 4 >> -449> 2019-03-05 08:36:02.340 7f2743a8c1c0 0 set rocksdb option min_write_buffer_number_to_merge = 1 >> -448> 2019-03-05 08:36:02.340 7f2743a8c1c0 0 set rocksdb option recycle_log_file_num = 4 >> -447> 2019-03-05 08:36:02.340 7f2743a8c1c0 0 set rocksdb option writable_file_max_buffer_size = 0 >> -446> 2019-03-05 08:36:02.340 7f2743a8c1c0 0 set rocksdb option write_buffer_size = 268435456 >> -445> 2019-03-05 08:36:02.340 7f2743a8c1c0 1 rocksdb: do_open column families: [default] >> -444> 2019-03-05 08:36:02.341 7f2743a8c1c0 4 rocksdb: RocksDB version: 5.13.0 >> -443> 2019-03-05 08:36:02.342 7f2743a8c1c0 4 rocksdb: Git sha rocksdb_build_git_sha:@0@ >> -442> 2019-03-05 08:36:02.342 7f2743a8c1c0 4 rocksdb: Compile date Jan 4 2019 >> ... >> -271> 2019-03-05 08:36:02.431 7f2743a8c1c0 1 freelist init >> -270> 2019-03-05 08:36:02.535 7f2743a8c1c0 1 bluestore(/var/lib/ceph/osd/ceph-12) _open_alloc opening allocation metadata >> -269> 2019-03-05 08:36:02.714 7f2743a8c1c0 1 bluestore(/var/lib/ceph/osd/ceph-12) _open_alloc loaded 93 GiB in 31828 extents >> -268> 2019-03-05 08:36:02.722 7f2743a8c1c0 2 osd.12 0 journal looks like hdd >> -267> 2019-03-05 08:36:02.722 7f2743a8c1c0 2 osd.12 0 boot >> -266> 2019-03-05 08:36:02.723 7f272a0f3700 5 bluestore.MempoolThread(0x55b31af46a30) _tune_cache_size target: 1073741824 heap: 64675840 unmapped: 786432 mapped: 63889408 old cache_size: 134217728 new cache size: 17349132402135320576 >> -265> 2019-03-05 08:36:02.723 7f272a0f3700 5 bluestore.MempoolThread(0x55b31af46a30) _trim_shards cache_size: 17349132402135320576 kv_alloc: 134217728 kv_used: 5099462 meta_alloc: 0 meta_used: 21301 data_alloc: 0 data_used: 0 >> ... >> 2019-03-05 08:36:40.166 7f03fc57f700 1 osd.12 pg_epoch: 7063 pg[2.93( v 6687'5 (0'0,6687'5] local-lis/les=7015/7016 n=1 ec=103/103 lis/c 7015/7015 les/c/f 7016/7016/0 7063/7063/7063) [12,19] r=0 lpr=7063 pi=[7015,7063)/1 crt=6687'5 lcod 0'0 mlcod 0'0 unknown NOTIFY mbc={}] start_peering_interval up [19] -> [12,19], acting [19] -> [12,19], acting_primary 19 -> 12, up_primary 19 -> 12, role -1 -> 0, features acting 4611087854031142907 upacting 4611087854031142907 >> 2019-03-05 08:36:40.167 7f03fc57f700 1 osd.12 pg_epoch: 7063 pg[2.93( v 6687'5 (0'0,6687'5] local-lis/les=7015/7016 n=1 ec=103/103 lis/c 7015/7015 les/c/f 7016/7016/0 7063/7063/7063) [12,19] r=0 lpr=7063 pi=[7015,7063)/1 crt=6687'5 lcod 0'0 mlcod 0'0 unknown mbc={}] state<Start>: transitioning to Primary >> 2019-03-05 08:36:40.167 7f03fb57d700 1 osd.12 pg_epoch: 7061 pg[2.40( v 6964'703 (0'0,6964'703] local-lis/les=6999/7000 n=1 ec=103/103 lis/c 6999/6999 les/c/f 7000/7000/0 7061/7061/6999) [8] r=-1 lpr=7061 pi=[6999,7061)/1 crt=6964'703 lcod 0'0 unknown mbc={}] start_peering_interval up [8,12] -> [8], acting [8,12] -> [8], acting_primary 8 -> 8, up_primary 8 -> 8, role 1 -> -1, features acting 4611087854031142907 upacting 4611087854031142907 >> 1/ 5 heartbeatmap >> 1/ 5 perfcounter >> 1/ 5 rgw >> 1/ 5 rgw_sync >> 1/10 civetweb >> 1/ 5 javaclient >> 1/ 5 asok >> 1/ 1 throttle >> 0/ 0 refs >> 1/ 5 xio >> 1/ 5 compressor >> 1/ 5 bluestore >> 1/ 5 bluefs >> 1/ 3 bdev >> 1/ 5 kstore >> 4/ 5 rocksdb >> 4/ 5 leveldb >> 4/ 5 memdb >> 1/ 5 kinetic >> 1/ 5 fuse >> 1/ 5 mgr >> 1/ 5 mgrc >> 1/ 5 dpdk >> 1/ 5 eventtrace >> -2/-2 (syslog threshold) >> -1/-1 (stderr threshold) >> max_recent 10000 >> max_new 1000 >> log_file /var/log/ceph/ceph-osd.12.log >> --- end dump of recent events --- >> >> 2019-03-05 08:36:07.750 7f272a0f3700 -1 *** Caught signal (Aborted) ** >> in thread 7f272a0f3700 thread_name:bstore_mempool >> >> ceph version 13.2.4 (b10be4d44915a4d78a8e06aa31919e74927b142e) mimic (stable) >> 1: (()+0x911e70) [0x55b318337e70] >> 2: (()+0xf5d0) [0x7f2737a4e5d0] >> 3: (gsignal()+0x37) [0x7f2736a6f207] >> 4: (abort()+0x148) [0x7f2736a708f8] >> 5: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x242) [0x7f273aec62b2] >> 6: (()+0x25a337) [0x7f273aec6337] >> 7: (()+0x7a886e) [0x55b3181ce86e] >> 8: (BlueStore::MempoolThread::entry()+0x3b0) [0x55b3181d0060] >> 9: (()+0x7dd5) [0x7f2737a46dd5] >> 10: (clone()+0x6d) [0x7f2736b36ead] >> NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this. >> >> >> Even without the ‘osd memory target’ conf key, OSD claims on start: >> >> bluestore(/var/lib/ceph/osd/ceph-12) _set_cache_sizes cache_size 1073741824 >> >> Any hints appreciated! >> >> /Steffen >> >> >> Paul >> >> -- >> Paul Emmerich >> >> Looking for help with your Ceph cluster? Contact us at https://croit.io >> >> croit GmbH >> Freseniusstr. 31h >> 81247 München >> www.croit.io >> Tel: +49 89 1896585 90 >> >> On Mon, Mar 4, 2019 at 3:55 PM Steffen Winther Sørensen >> <stefws@xxxxxxxxx> wrote: >> >> >> List Members, >> >> patched a centos 7 based cluster from 13.2.2 to 13.2.4 last monday, everything appeared working fine. >> >> Only this morning I found all OSDs in the cluster to be bloated in memory foot print, possible after weekend backup through MDS. >> >> Anyone else seeing possible memory leak in 13.2.4 OSD possible primarily when using MDS? >> >> TIA >> >> /Steffen >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
 |