Hi Kenneth,
Could you give your configuration related to EC and KeyValueStore?
Not sure whether it's bug on KeyValueStore
On Thu, Aug 14, 2014 at 12:06 AM, Kenneth Waegeman
<Kenneth.Waegeman at ugent.be> wrote:
> Hi,
>
> I was doing some tests with rados bench on a Erasure Coded pool (using
> keyvaluestore-dev objectstore) on 0.83, and I see some strangs things:
>
>
> [root at ceph001 ~]# ceph status
> cluster 82766e04-585b-49a6-a0ac-c13d9ffd0a7d
> health HEALTH_WARN too few pgs per osd (4 < min 20)
> monmap e1: 3 mons at
> {ceph001=10.141.8.180:6789/0,ceph002=10.141.8.181:6789/0,ceph003=10.141.8.182:6789/0},
> election epoch 6, quorum 0,1,2 ceph001,ceph002,ceph003
> mdsmap e116: 1/1/1 up {0=ceph001.cubone.os=up:active}, 2 up:standby
> osdmap e292: 78 osds: 78 up, 78 in
> pgmap v48873: 320 pgs, 4 pools, 15366 GB data, 3841 kobjects
> 1381 GB used, 129 TB / 131 TB avail
> 320 active+clean
>
> There is around 15T of data, but only 1.3 T usage.
>
> This is also visible in rados:
>
> [root at ceph001 ~]# rados df
> pool name category KB objects clones
> degraded unfound rd rd KB wr wr KB
> data - 0 0 0
> 0 0 0 0 0 0
> ecdata - 16113451009 3933959 0
> 0 0 1 1 3935632 16116850711
> metadata - 2 20 0
> 0 0 33 36 21 8
> rbd - 0 0 0
> 0 0 0 0 0 0
> total used 1448266016 3933979
> total avail 139400181016
> total space 140848447032
>
>
> Another (related?) thing: if I do rados -p ecdata ls, I trigger osd
> shutdowns (each time):
> I get a list followed by an error:
>
> ...
> benchmark_data_ceph001.cubone.os_8961_object243839
> benchmark_data_ceph001.cubone.os_5560_object801983
> benchmark_data_ceph001.cubone.os_31461_object856489
> benchmark_data_ceph001.cubone.os_8961_object202232
> benchmark_data_ceph001.cubone.os_4919_object33199
> benchmark_data_ceph001.cubone.os_5560_object807797
> benchmark_data_ceph001.cubone.os_4919_object74729
> benchmark_data_ceph001.cubone.os_31461_object1264121
> benchmark_data_ceph001.cubone.os_5560_object1318513
> benchmark_data_ceph001.cubone.os_5560_object1202111
> benchmark_data_ceph001.cubone.os_31461_object939107
> benchmark_data_ceph001.cubone.os_31461_object729682
> benchmark_data_ceph001.cubone.os_5560_object122915
> benchmark_data_ceph001.cubone.os_5560_object76521
> benchmark_data_ceph001.cubone.os_5560_object113261
> benchmark_data_ceph001.cubone.os_31461_object575079
> benchmark_data_ceph001.cubone.os_5560_object671042
> benchmark_data_ceph001.cubone.os_5560_object381146
> 2014-08-13 17:57:48.736150 7f65047b5700 0 -- 10.141.8.180:0/1023295 >>
> 10.141.8.182:6839/4471 pipe(0x7f64fc019b20 sd=5 :0 s=1 pgs=0 cs=0 l=1
> c=0x7f64fc019db0).fault
>
> And I can see this in the log files:
>
> -25> 2014-08-13 17:52:56.323908 7f8a97fa4700 1 --
> 10.143.8.182:6827/64670 <== osd.57 10.141.8.182:0/15796 51 ====
> osd_ping(ping e220 stamp 2014-08-13 17:52:56.323092) v2 ==== 47+0+0
> (3227325175 0 0) 0xf475940 con 0xee89fa0
> -24> 2014-08-13 17:52:56.323938 7f8a97fa4700 1 --
> 10.143.8.182:6827/64670 --> 10.141.8.182:0/15796 -- osd_ping(ping_reply e220
> stamp 2014-08-13 17:52:56.323092) v2 -- ?+0 0xf815b00 con 0xee89fa0
> -23> 2014-08-13 17:52:56.324078 7f8a997a7700 1 --
> 10.141.8.182:6840/64670 <== osd.57 10.141.8.182:0/15796 51 ====
> osd_ping(ping e220 stamp 2014-08-13 17:52:56.323092) v2 ==== 47+0+0
> (3227325175 0 0) 0xf132bc0 con 0xee8a680
> -22> 2014-08-13 17:52:56.324111 7f8a997a7700 1 --
> 10.141.8.182:6840/64670 --> 10.141.8.182:0/15796 -- osd_ping(ping_reply e220
> stamp 2014-08-13 17:52:56.323092) v2 -- ?+0 0xf811a40 con 0xee8a680
> -21> 2014-08-13 17:52:56.584461 7f8a997a7700 1 --
> 10.141.8.182:6840/64670 <== osd.29 10.143.8.181:0/12142 47 ====
> osd_ping(ping e220 stamp 2014-08-13 17:52:56.583010) v2 ==== 47+0+0
> (3355887204 0 0) 0xf655940 con 0xee88b00
> -20> 2014-08-13 17:52:56.584486 7f8a997a7700 1 --
> 10.141.8.182:6840/64670 --> 10.143.8.181:0/12142 -- osd_ping(ping_reply e220
> stamp 2014-08-13 17:52:56.583010) v2 -- ?+0 0xf132bc0 con 0xee88b00
> -19> 2014-08-13 17:52:56.584498 7f8a97fa4700 1 --
> 10.143.8.182:6827/64670 <== osd.29 10.143.8.181:0/12142 47 ====
> osd_ping(ping e220 stamp 2014-08-13 17:52:56.583010) v2 ==== 47+0+0
> (3355887204 0 0) 0xf20e040 con 0xee886e0
> -18> 2014-08-13 17:52:56.584526 7f8a97fa4700 1 --
> 10.143.8.182:6827/64670 --> 10.143.8.181:0/12142 -- osd_ping(ping_reply e220
> stamp 2014-08-13 17:52:56.583010) v2 -- ?+0 0xf475940 con 0xee886e0
> -17> 2014-08-13 17:52:56.594448 7f8a798c7700 1 --
> 10.141.8.182:6839/64670 >> :/0 pipe(0xec15f00 sd=74 :6839 s=0 pgs=0 cs=0 l=0
> c=0xee856a0).accept sd=74 10.141.8.180:47641/0
> -16> 2014-08-13 17:52:56.594921 7f8a798c7700 1 --
> 10.141.8.182:6839/64670 <== client.7512 10.141.8.180:0/1018433 1 ====
> osd_op(client.7512.0:1 [pgls start_epoch 0] 3.0
> ack+read+known_if_redirected e220) v4 ==== 151+0+39 (1972163119 0
> 4174233976) 0xf3bca40 con 0xee856a0
> -15> 2014-08-13 17:52:56.594957 7f8a798c7700 5 -- op tracker -- , seq:
> 299, time: 2014-08-13 17:52:56.594874, event: header_read, op:
> osd_op(client.7512.0:1 [pgls start_epoch 0] 3.0
> ack+read+known_if_redirected e220)
> -14> 2014-08-13 17:52:56.594970 7f8a798c7700 5 -- op tracker -- , seq:
> 299, time: 2014-08-13 17:52:56.594880, event: throttled, op:
> osd_op(client.7512.0:1 [pgls start_epoch 0] 3.0
> ack+read+known_if_redirected e220)
> -13> 2014-08-13 17:52:56.594978 7f8a798c7700 5 -- op tracker -- , seq:
> 299, time: 2014-08-13 17:52:56.594917, event: all_read, op:
> osd_op(client.7512.0:1 [pgls start_epoch 0] 3.0
> ack+read+known_if_redirected e220)
> -12> 2014-08-13 17:52:56.594986 7f8a798c7700 5 -- op tracker -- , seq:
> 299, time: 0.000000, event: dispatched, op: osd_op(client.7512.0:1 [pgls
> start_epoch 0] 3.0 ack+read+known_if_redirected e220)
> -11> 2014-08-13 17:52:56.595127 7f8a90795700 5 -- op tracker -- , seq:
> 299, time: 2014-08-13 17:52:56.595104, event: reached_pg, op:
> osd_op(client.7512.0:1 [pgls start_epoch 0] 3.0
> ack+read+known_if_redirected e220)
> -10> 2014-08-13 17:52:56.595159 7f8a90795700 5 -- op tracker -- , seq:
> 299, time: 2014-08-13 17:52:56.595153, event: started, op:
> osd_op(client.7512.0:1 [pgls start_epoch 0] 3.0
> ack+read+known_if_redirected e220)
> -9> 2014-08-13 17:52:56.602179 7f8a90795700 1 --
> 10.141.8.182:6839/64670 --> 10.141.8.180:0/1018433 -- osd_op_reply(1 [pgls
> start_epoch 0] v164'30654 uv30654 ondisk = 0) v6 -- ?+0 0xec16180 con
> 0xee856a0
> -8> 2014-08-13 17:52:56.602211 7f8a90795700 5 -- op tracker -- , seq:
> 299, time: 2014-08-13 17:52:56.602205, event: done, op:
> osd_op(client.7512.0:1 [pgls start_epoch 0] 3.0
> ack+read+known_if_redirected e220)
> -7> 2014-08-13 17:52:56.614839 7f8a798c7700 1 --
> 10.141.8.182:6839/64670 <== client.7512 10.141.8.180:0/1018433 2 ====
> osd_op(client.7512.0:2 [pgls start_epoch 220] 3.0
> ack+read+known_if_redirected e220) v4 ==== 151+0+89 (3460833343 0
> 2600845095) 0xf3bcec0 con 0xee856a0
> -6> 2014-08-13 17:52:56.614864 7f8a798c7700 5 -- op tracker -- , seq:
> 300, time: 2014-08-13 17:52:56.614789, event: header_read, op:
> osd_op(client.7512.0:2 [pgls start_epoch 220] 3.0
> ack+read+known_if_redirected e220)
> -5> 2014-08-13 17:52:56.614874 7f8a798c7700 5 -- op tracker -- , seq:
> 300, time: 2014-08-13 17:52:56.614792, event: throttled, op:
> osd_op(client.7512.0:2 [pgls start_epoch 220] 3.0
> ack+read+known_if_redirected e220)
> -4> 2014-08-13 17:52:56.614884 7f8a798c7700 5 -- op tracker -- , seq:
> 300, time: 2014-08-13 17:52:56.614835, event: all_read, op:
> osd_op(client.7512.0:2 [pgls start_epoch 220] 3.0
> ack+read+known_if_redirected e220)
> -3> 2014-08-13 17:52:56.614891 7f8a798c7700 5 -- op tracker -- , seq:
> 300, time: 0.000000, event: dispatched, op: osd_op(client.7512.0:2 [pgls
> start_epoch 220] 3.0 ack+read+known_if_redirected e220)
> -2> 2014-08-13 17:52:56.614972 7f8a92f9a700 5 -- op tracker -- , seq:
> 300, time: 2014-08-13 17:52:56.614958, event: reached_pg, op:
> osd_op(client.7512.0:2 [pgls start_epoch 220] 3.0
> ack+read+known_if_redirected e220)
> -1> 2014-08-13 17:52:56.614993 7f8a92f9a700 5 -- op tracker -- , seq:
> 300, time: 2014-08-13 17:52:56.614986, event: started, op:
> osd_op(client.7512.0:2 [pgls start_epoch 220] 3.0
> ack+read+known_if_redirected e220)
> 0> 2014-08-13 17:52:56.617087 7f8a92f9a700 -1 os/GenericObjectMap.cc:
> In function 'int GenericObjectMap::list_objects(const coll_t&, ghobject_t,
> int, std::vector<ghobject_t>*, ghobject_t*)' thread 7f8a92f9a700 time
> 2014-08-13 17:52:56.615073
> os/GenericObjectMap.cc: 1118: FAILED assert(start <= header.oid)
>
>
> ceph version 0.83 (78ff1f0a5dfd3c5850805b4021738564c36c92b8)
> 1: (GenericObjectMap::list_objects(coll_t const&, ghobject_t, int,
> std::vector<ghobject_t, std::allocator<ghobject_t> >*, ghobject_t*)+0x474)
> [0x98f774]
> 2: (KeyValueStore::collection_list_partial(coll_t, ghobject_t, int, int,
> snapid_t, std::vector<ghobject_t, std::allocator<ghobject_t> >*,
> ghobject_t*)+0x274) [0x8c5b54]
> 3: (PGBackend::objects_list_partial(hobject_t const&, int, int, snapid_t,
> std::vector<hobject_t, std::allocator<hobject_t> >*, hobject_t*)+0x1c9)
> [0x862de9]
> 4: (ReplicatedPG::do_pg_op(std::tr1::shared_ptr<OpRequest>)+0xea5)
> [0x7f67f5]
> 5: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>)+0x1f3) [0x8177b3]
> 6: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>,
> ThreadPool::TPHandle&)+0x5d5) [0x7b8045]
> 7: (OSD::dequeue_op(boost::intrusive_ptr<PG>,
> std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x47d) [0x62bf8d]
> 8: (OSD::ShardedOpWQ::_process(unsigned int,
> ceph::heartbeat_handle_d*)+0x35c) [0x62c56c]
> 9: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x8cd)
> [0xa776fd]
> 10: (ShardedThreadPool::WorkThreadSharded::entry()+0x10) [0xa79980]
> 11: (()+0x7df3) [0x7f8aac71fdf3]
> 12: (clone()+0x6d) [0x7f8aab1963dd]
> NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to
> interpret this.
>
>
> ceph version 0.83 (78ff1f0a5dfd3c5850805b4021738564c36c92b8)
> 1: /usr/bin/ceph-osd() [0x99b466]
> 2: (()+0xf130) [0x7f8aac727130]
> 3: (gsignal()+0x39) [0x7f8aab0d5989]
> 4: (abort()+0x148) [0x7f8aab0d7098]
> 5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7f8aab9e89d5]
> 6: (()+0x5e946) [0x7f8aab9e6946]
> 7: (()+0x5e973) [0x7f8aab9e6973]
> 8: (()+0x5eb9f) [0x7f8aab9e6b9f]
> 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char
> const*)+0x1ef) [0xa8805f]
> 10: (GenericObjectMap::list_objects(coll_t const&, ghobject_t, int,
> std::vector<ghobject_t, std::allocator<ghobject_t> >*, ghobject_t*)+0x474)
> [0x98f774]
> 11: (KeyValueStore::collection_list_partial(coll_t, ghobject_t, int, int,
> snapid_t, std::vector<ghobject_t, std::allocator<ghobject_t> >*,
> ghobject_t*)+0x274) [0x8c5b54]
> 12: (PGBackend::objects_list_partial(hobject_t const&, int, int, snapid_t,
> std::vector<hobject_t, std::allocator<hobject_t> >*, hobject_t*)+0x1c9)
> [0x862de9]
> 13: (ReplicatedPG::do_pg_op(std::tr1::shared_ptr<OpRequest>)+0xea5)
> [0x7f67f5]
> 14: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>)+0x1f3) [0x8177b3]
> 15: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>,
> ThreadPool::TPHandle&)+0x5d5) [0x7b8045]
> 16: (OSD::dequeue_op(boost::intrusive_ptr<PG>,
> std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x47d) [0x62bf8d]
> 17: (OSD::ShardedOpWQ::_process(unsigned int,
> ceph::heartbeat_handle_d*)+0x35c) [0x62c56c]
> 18: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x8cd)
> [0xa776fd]
> 19: (ShardedThreadPool::WorkThreadSharded::entry()+0x10) [0xa79980]
> 20: (()+0x7df3) [0x7f8aac71fdf3]
> 21: (clone()+0x6d) [0x7f8aab1963dd]
> NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to
> interpret this.
>
> --- begin dump of recent events ---
> 0> 2014-08-13 17:52:56.714214 7f8a92f9a700 -1 *** Caught signal
> (Aborted) **
> in thread 7f8a92f9a700
>
> ceph version 0.83 (78ff1f0a5dfd3c5850805b4021738564c36c92b8)
> 1: /usr/bin/ceph-osd() [0x99b466]
> 2: (()+0xf130) [0x7f8aac727130]
> 3: (gsignal()+0x39) [0x7f8aab0d5989]
> 4: (abort()+0x148) [0x7f8aab0d7098]
> 5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7f8aab9e89d5]
> 6: (()+0x5e946) [0x7f8aab9e6946]
> 7: (()+0x5e973) [0x7f8aab9e6973]
> 8: (()+0x5eb9f) [0x7f8aab9e6b9f]
> 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char
> const*)+0x1ef) [0xa8805f]
> 10: (GenericObjectMap::list_objects(coll_t const&, ghobject_t, int,
> std::vector<ghobject_t, std::allocator<ghobject_t> >*, ghobject_t*)+0x474)
> [0x98f774]
> 11: (KeyValueStore::collection_list_partial(coll_t, ghobject_t, int, int,
> snapid_t, std::vector<ghobject_t, std::allocator<ghobject_t> >*,
> ghobject_t*)+0x274) [0x8c5b54]
> 12: (PGBackend::objects_list_partial(hobject_t const&, int, int, snapid_t,
> std::vector<hobject_t, std::allocator<hobject_t> >*, hobject_t*)+0x1c9)
> [0x862de9]
> 13: (ReplicatedPG::do_pg_op(std::tr1::shared_ptr<OpRequest>)+0xea5)
> [0x7f67f5]
> 14: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>)+0x1f3) [0x8177b3]
> 15: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>,
> ThreadPool::TPHandle&)+0x5d5) [0x7b8045]
> 16: (OSD::dequeue_op(boost::intrusive_ptr<PG>,
> std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x47d) [0x62bf8d]
> 17: (OSD::ShardedOpWQ::_process(unsigned int,
> ceph::heartbeat_handle_d*)+0x35c) [0x62c56c]
> 18: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x8cd)
> [0xa776fd]
> 19: (ShardedThreadPool::WorkThreadSharded::entry()+0x10) [0xa79980]
> 20: (()+0x7df3) [0x7f8aac71fdf3]
> 21: (clone()+0x6d) [0x7f8aab1963dd]
> NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to
> interpret this.
>
> I guess this has something to do with using the dev Keyvaluestore?
>
>
> Thanks!
>
> Kenneth
>
> _______________________________________________
> ceph-users mailing list
> ceph-users at lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
--
Best Regards,
Wheat
