This is "supposed" to work, but the compression in Bluestore has less testing than most things there and is pretty invasive, so when I discussed this with Radoslaw (added) last week there were some obvious places to look. Hopefully it's not too hard to identify the problem from these backtraces and get a fix in? :) -Greg
On Fri, Oct 20, 2017 at 12:16 AM Cassiano Pilipavicius <[email protected]> wrote: > Hello, is it possible to use compression on a EC pool? I am trying to > enable this to use as a huge backup/archive disk, the data is almost > static and access to it is very sporadic, so, bad performance is not a > concern here. > > I've created the RBD storing data to the EC pool (--data-pool option) > and enabled compression on the EC pool, but as soon as I start to write > data to the volume, I have a crash on 12 osds (my ec ruleset is k=9 m=3) > > If I use only RBD+EC it works fine, if I use RBD+Compression (no erasure > coding) it also works fine. > > This is what appears on the log of the crashed osds: > > > ceph version 12.2.1 (3e7492b9ada8bdc9a5cd0feafd42fbca27f9c38e) > luminous (stable) > 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char > const*)+0x110) [0x7f019377af20] > 2: (bluestore_blob_t::map(unsigned long, unsigned long, > std::function<int (unsigned long, unsigned long)>) const+0xfe) > [0x7f019365f14e] > 3: (BlueStore::_do_remove(BlueStore::TransContext*, > boost::intrusive_ptr<BlueStore::Collection>&, > boost::intrusive_ptr<BlueStore::Onode>)+0x1151) [0x7f019363d191] > 4: (BlueStore::_remove(BlueStore::TransContext*, > boost::intrusive_ptr<BlueStore::Collection>&, > boost::intrusive_ptr<BlueStore::Onode>&)+0x94) [0x7f019363da64] > 5: (BlueStore::_txc_add_transaction(BlueStore::TransContext*, > ObjectStore::Transaction*)+0x15af) [0x7f019365047f] > 6: (BlueStore::queue_transactions(ObjectStore::Sequencer*, > std::vector<ObjectStore::Transaction, > std::allocator<ObjectStore::Transaction> >&, > boost::intrusive_ptr<TrackedOp>, ThreadPool::TPHandle*)+0x3a0) > [0x7f01936513a0] > 7: > (PrimaryLogPG::queue_transactions(std::vector<ObjectStore::Transaction, > std::allocator<ObjectStore::Transaction> >&, > boost::intrusive_ptr<OpRequest>)+0x65) [0x7f01933c1f35] > 8: (ECBackend::handle_sub_write(pg_shard_t, > boost::intrusive_ptr<OpRequest>, ECSubWrite&, ZTracer::Trace const&, > Context*)+0x631) [0x7f01934e1cc1] > 9: (ECBackend::_handle_message(boost::intrusive_ptr<OpRequest>)+0x327) > [0x7f01934f2867] > 10: (PGBackend::handle_message(boost::intrusive_ptr<OpRequest>)+0x50) > [0x7f01933f73d0] > 11: (PrimaryLogPG::do_request(boost::intrusive_ptr<OpRequest>&, > ThreadPool::TPHandle&)+0x5ae) [0x7f0193362fbe] > 12: (OSD::dequeue_op(boost::intrusive_ptr<PG>, > boost::intrusive_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3f9) > [0x7f01931f33a9] > 13: (PGQueueable::RunVis::operator()(boost::intrusive_ptr<OpRequest> > const&)+0x57) [0x7f0193465797] > 14: (OSD::ShardedOpWQ::_process(unsigned int, > ceph::heartbeat_handle_d*)+0xfce) [0x7f019321e9ee] > 15: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x839) > [0x7f0193780a39] > 16: (ShardedThreadPool::WorkThreadSharded::entry()+0x10) [0x7f01937829d0] > 17: (()+0x7dc5) [0x7f019013adc5] > 18: (clone()+0x6d) [0x7f018f22e28d] > NOTE: a copy of the executable, or `objdump -rdS <executable>` is > needed to interpret this. > > --- logging levels --- > 0/ 5 none > 0/ 0 lockdep > 0/ 0 context > 0/ 0 crush > 1/ 5 mds > 1/ 5 mds_balancer > 1/ 5 mds_locker > 1/ 5 mds_log > 1/ 5 mds_log_expire > 1/ 5 mds_migrator > 0/ 0 buffer > 0/ 0 timer > 0/ 1 filer > 0/ 1 striper > 0/ 1 objecter > 0/ 5 rados > 0/ 5 rbd > 0/ 5 rbd_mirror > 0/ 5 rbd_replay > 0/ 0 journaler > 0/ 5 objectcacher > 0/ 5 client > 0/ 0 osd > 0/ 0 optracker > 0/ 0 objclass > 0/ 0 filestore > 0/ 0 journal > 0/ 0 ms > 1/ 5 mon > 0/ 0 monc > 1/ 5 paxos > 0/ 0 tp > 0/ 0 auth > 1/ 5 crypto > 0/ 0 finisher > 0/ 0 heartbeatmap > 0/ 0 perfcounter > 1/ 5 rgw > 1/10 civetweb > 1/ 5 javaclient > 0/ 0 asok > 0/ 0 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.8.log > --- end dump of recent events --- > 2017-10-20 04:28:51.564373 7f0176684700 -1 *** Caught signal (Aborted) ** > in thread 7f0176684700 thread_name:tp_osd_tp > > ceph version 12.2.1 (3e7492b9ada8bdc9a5cd0feafd42fbca27f9c38e) > luminous (stable) > 1: (()+0xa29511) [0x7f019373c511] > 2: (()+0xf100) [0x7f0190142100] > 3: (gsignal()+0x37) [0x7f018f16d5f7] > 4: (abort()+0x148) [0x7f018f16ece8] > 5: (ceph::__ceph_assert_fail(char const*, char const*, int, char > const*)+0x284) [0x7f019377b094] > 6: (bluestore_blob_t::map(unsigned long, unsigned long, > std::function<int (unsigned long, unsigned long)>) const+0xfe) > [0x7f019365f14e] > 7: (BlueStore::_do_remove(BlueStore::TransContext*, > boost::intrusive_ptr<BlueStore::Collection>&, > boost::intrusive_ptr<BlueStore::Onode>)+0x1151) [0x7f019363d191] > 8: (BlueStore::_remove(BlueStore::TransContext*, > boost::intrusive_ptr<BlueStore::Collection>&, > boost::intrusive_ptr<BlueStore::Onode>&)+0x94) [0x7f019363da64] > 9: (BlueStore::_txc_add_transaction(BlueStore::TransContext*, > ObjectStore::Transaction*)+0x15af) [0x7f019365047f] > 10: (BlueStore::queue_transactions(ObjectStore::Sequencer*, > std::vector<ObjectStore::Transaction, > std::allocator<ObjectStore::Transaction> >&, > boost::intrusive_ptr<TrackedOp>, ThreadPool::TPHandle*)+0x3a0) > [0x7f01936513a0] > 11: > (PrimaryLogPG::queue_transactions(std::vector<ObjectStore::Transaction, > std::allocator<ObjectStore::Transaction> >&, > boost::intrusive_ptr<OpRequest>)+0x65) [0x7f01933c1f35] > 12: (ECBackend::handle_sub_write(pg_shard_t, > boost::intrusive_ptr<OpRequest>, ECSubWrite&, ZTracer::Trace const&, > Context*)+0x631) [0x7f01934e1cc1] > 13: > (ECBackend::_handle_message(boost::intrusive_ptr<OpRequest>)+0x327) > [0x7f01934f2867] > 14: (PGBackend::handle_message(boost::intrusive_ptr<OpRequest>)+0x50) > [0x7f01933f73d0] > 15: (PrimaryLogPG::do_request(boost::intrusive_ptr<OpRequest>&, > ThreadPool::TPHandle&)+0x5ae) [0x7f0193362fbe] > 16: (OSD::dequeue_op(boost::intrusive_ptr<PG>, > boost::intrusive_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3f9) > [0x7f01931f33a9] > 17: (PGQueueable::RunVis::operator()(boost::intrusive_ptr<OpRequest> > const&)+0x57) [0x7f0193465797] > 18: (OSD::ShardedOpWQ::_process(unsigned int, > ceph::heartbeat_handle_d*)+0xfce) [0x7f019321e9ee] > 19: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x839) > [0x7f0193780a39] > 20: (ShardedThreadPool::WorkThreadSharded::entry()+0x10) [0x7f01937829d0] > 21: (()+0x7dc5) [0x7f019013adc5] > 22: (clone()+0x6d) [0x7f018f22e28d] > NOTE: a copy of the executable, or `objdump -rdS <executable>` is > needed to interpret this. > > --- begin dump of recent events --- > 0> 2017-10-20 04:28:51.564373 7f0176684700 -1 *** Caught signal > (Aborted) ** > in thread 7f0176684700 thread_name:tp_osd_tp > > ceph version 12.2.1 (3e7492b9ada8bdc9a5cd0feafd42fbca27f9c38e) > luminous (stable) > 1: (()+0xa29511) [0x7f019373c511] > 2: (()+0xf100) [0x7f0190142100] > 3: (gsignal()+0x37) [0x7f018f16d5f7] > 4: (abort()+0x148) [0x7f018f16ece8] > 5: (ceph::__ceph_assert_fail(char const*, char const*, int, char > const*)+0x284) [0x7f019377b094] > 6: (bluestore_blob_t::map(unsigned long, unsigned long, > std::function<int (unsigned long, unsigned long)>) const+0xfe) > [0x7f019365f14e] > 7: (BlueStore::_do_remove(BlueStore::TransContext*, > boost::intrusive_ptr<BlueStore::Collection>&, > boost::intrusive_ptr<BlueStore::Onode>)+0x1151) [0x7f019363d191] > 8: (BlueStore::_remove(BlueStore::TransContext*, > boost::intrusive_ptr<BlueStore::Collection>&, > boost::intrusive_ptr<BlueStore::Onode>&)+0x94) [0x7f019363da64] > 9: (BlueStore::_txc_add_transaction(BlueStore::TransContext*, > ObjectStore::Transaction*)+0x15af) [0x7f019365047f] > 10: (BlueStore::queue_transactions(ObjectStore::Sequencer*, > std::vector<ObjectStore::Transaction, > std::allocator<ObjectStore::Transaction> >&, > boost::intrusive_ptr<TrackedOp>, ThreadPool::TPHandle*)+0x3a0) > [0x7f01936513a0] > 11: > (PrimaryLogPG::queue_transactions(std::vector<ObjectStore::Transaction, > std::allocator<ObjectStore::Transaction> >&, > boost::intrusive_ptr<OpRequest>)+0x65) [0x7f01933c1f35] > 12: (ECBackend::handle_sub_write(pg_shard_t, > boost::intrusive_ptr<OpRequest>, ECSubWrite&, ZTracer::Trace const&, > Context*)+0x631) [0x7f01934e1cc1] > 13: > (ECBackend::_handle_message(boost::intrusive_ptr<OpRequest>)+0x327) > [0x7f01934f2867] > 14: (PGBackend::handle_message(boost::intrusive_ptr<OpRequest>)+0x50) > [0x7f01933f73d0] > 15: (PrimaryLogPG::do_request(boost::intrusive_ptr<OpRequest>&, > ThreadPool::TPHandle&)+0x5ae) [0x7f0193362fbe] > 16: (OSD::dequeue_op(boost::intrusive_ptr<PG>, > boost::intrusive_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3f9) > [0x7f01931f33a9] > 17: (PGQueueable::RunVis::operator()(boost::intrusive_ptr<OpRequest> > const&)+0x57) [0x7f0193465797] > 18: (OSD::ShardedOpWQ::_process(unsigned int, > ceph::heartbeat_handle_d*)+0xfce) [0x7f019321e9ee] > 19: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x839) > [0x7f0193780a39] > 20: (ShardedThreadPool::WorkThreadSharded::entry()+0x10) [0x7f01937829d0] > 21: (()+0x7dc5) [0x7f019013adc5] > 22: (clone()+0x6d) [0x7f018f22e28d] > NOTE: a copy of the executable, or `objdump -rdS <executable>` is > needed to interpret this. > > --- logging levels --- > 0/ 5 none > 0/ 0 lockdep > 0/ 0 context > 0/ 0 crush > 1/ 5 mds > 1/ 5 mds_balancer > 1/ 5 mds_locker > 1/ 5 mds_log > 1/ 5 mds_log_expire > 1/ 5 mds_migrator > 0/ 0 buffer > 0/ 0 timer > 0/ 1 filer > 0/ 1 striper > 0/ 1 objecter > 0/ 5 rados > 0/ 5 rbd > 0/ 5 rbd_mirror > 0/ 5 rbd_replay > 0/ 0 journaler > 0/ 5 objectcacher > 0/ 5 client > 0/ 0 osd > 0/ 0 optracker > 0/ 0 objclass > 0/ 0 filestore > 0/ 0 journal > 0/ 0 ms > 1/ 5 mon > 0/ 0 monc > 1/ 5 paxos > 0/ 0 tp > 0/ 0 auth > 1/ 5 crypto > 0/ 0 finisher > 0/ 0 heartbeatmap > 0/ 0 perfcounter > 1/ 5 rgw > 1/10 civetweb > 1/ 5 javaclient > 0/ 0 asok > 0/ 0 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.8.log > --- end dump of recent events --- > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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