Many thanks, Igor. I found previously submitted bug reports and subscribed to them. My understanding is that the issue is going to be fixed in the next Pacific minor release. /Z On Mon, 16 Oct 2023 at 14:03, Igor Fedotov <igor.fedotov@xxxxxxxx> wrote: > Hi Zakhar, > > please see my reply for the post on the similar issue at: > > https://lists.ceph.io/hyperkitty/list/ceph-users@xxxxxxx/message/YNJ35HXN4HXF4XWB6IOZ2RKXX7EQCEIY/ > > > Thanks, > > Igor > > On 16/10/2023 09:26, Zakhar Kirpichenko wrote: > > Hi, > > > > After upgrading to Ceph 16.2.14 we had several OSD crashes > > in bstore_kv_sync thread: > > > > > > 1. "assert_thread_name": "bstore_kv_sync", > > 2. "backtrace": [ > > 3. "/lib64/libpthread.so.0(+0x12cf0) [0x7ff2f6750cf0]", > > 4. "gsignal()", > > 5. "abort()", > > 6. "(ceph::__ceph_assert_fail(char const*, char const*, int, char > > const*)+0x1a9) [0x564dc5f87d0b]", > > 7. "/usr/bin/ceph-osd(+0x584ed4) [0x564dc5f87ed4]", > > 8. "(RocksDBBlueFSVolumeSelector::sub_usage(void*, bluefs_fnode_t > > const&)+0x15e) [0x564dc6604a9e]", > > 9. "(BlueFS::_flush_range_F(BlueFS::FileWriter*, unsigned long, > unsigned > > long)+0x77d) [0x564dc66951cd]", > > 10. "(BlueFS::_flush_F(BlueFS::FileWriter*, bool, bool*)+0x90) > > [0x564dc6695670]", > > 11. "(BlueFS::fsync(BlueFS::FileWriter*)+0x18b) [0x564dc66b1a6b]", > > 12. "(BlueRocksWritableFile::Sync()+0x18) [0x564dc66c1768]", > > 13. "(rocksdb::LegacyWritableFileWrapper::Sync(rocksdb::IOOptions > > const&, rocksdb::IODebugContext*)+0x1f) [0x564dc6b6496f]", > > 14. "(rocksdb::WritableFileWriter::SyncInternal(bool)+0x402) > > [0x564dc6c761c2]", > > 15. "(rocksdb::WritableFileWriter::Sync(bool)+0x88) > [0x564dc6c77808]", > > 16. "(rocksdb::DBImpl::WriteToWAL(rocksdb::WriteThread::WriteGroup > > const&, rocksdb::log::Writer*, unsigned long*, bool, bool, unsigned > > long)+0x309) [0x564dc6b780c9]", > > 17. "(rocksdb::DBImpl::WriteImpl(rocksdb::WriteOptions const&, > > rocksdb::WriteBatch*, rocksdb::WriteCallback*, unsigned long*, > unsigned > > long, bool, unsigned long*, unsigned long, > > rocksdb::PreReleaseCallback*)+0x2629) [0x564dc6b80c69]", > > 18. "(rocksdb::DBImpl::Write(rocksdb::WriteOptions const&, > > rocksdb::WriteBatch*)+0x21) [0x564dc6b80e61]", > > 19. "(RocksDBStore::submit_common(rocksdb::WriteOptions&, > > std::shared_ptr<KeyValueDB::TransactionImpl>)+0x84) > [0x564dc6b1f644]", > > 20. > "(RocksDBStore::submit_transaction_sync(std::shared_ptr<KeyValueDB::TransactionImpl>)+0x9a) > > [0x564dc6b2004a]", > > 21. "(BlueStore::_kv_sync_thread()+0x30d8) [0x564dc6602ec8]", > > 22. "(BlueStore::KVSyncThread::entry()+0x11) [0x564dc662ab61]", > > 23. "/lib64/libpthread.so.0(+0x81ca) [0x7ff2f67461ca]", > > 24. "clone()" > > 25. ], > > > > > > I am attaching two instances of crash info for further reference: > > https://pastebin.com/E6myaHNU > > > > OSD configuration is rather simple and close to default: > > > > osd.6 dev bluestore_cache_size_hdd 4294967296 > > osd.6 dev > > bluestore_cache_size_ssd 4294967296 > > osd advanced debug_rocksdb > > 1/5 > osd > > advanced osd_max_backfills 2 > > osd basic > > osd_memory_target 17179869184 > > osd advanced osd_recovery_max_active > > 2 osd > > advanced osd_scrub_sleep 0.100000 > > osd advanced > > rbd_balance_parent_reads false > > > > debug_rocksdb is a recent change, otherwise this configuration has been > > running without issues for months. The crashes happened on two different > > hosts with identical hardware, the hosts and storage (NVME DB/WAL, HDD > > block) don't exhibit any issues. We have not experienced such crashes > with > > Ceph < 16.2.14. > > > > Is this a known issue, or should I open a bug report? > > > > Best regards, > > Zakhar > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx