On Wed, Jul 25, 2018 at 5:04 PM Daniel Carrasco <d.carra...@i2tic.com> wrote:
>
> Hello,
>
> I've attached the PDF.
>
> I don't know if is important, but I made changes on configuration and I've 
> restarted the servers after dump that heap file. I've changed the 
> memory_limit to 25Mb to test if stil with aceptable values of RAM.
>

Looks like there are memory leak in async messenger.  what's output of
"dd /usr/bin/ceph-mds"? Could you try simple messenger (add "ms type =
simple" to 'global' section of ceph.conf)

Regards
Yan, Zheng

> Greetings!
>
> 2018-07-25 2:53 GMT+02:00 Yan, Zheng <uker...@gmail.com>:
>>
>> On Wed, Jul 25, 2018 at 4:52 AM Daniel Carrasco <d.carra...@i2tic.com> wrote:
>> >
>> > Hello,
>> >
>> > I've run the profiler for about 5-6 minutes and this is what I've got:
>> >
>>
>> please run pprof --pdf /usr/bin/ceph-mds
>> /var/log/ceph/ceph-mds.x.profile.<largest number>.heap >
>> /tmp/profile.pdf. and send me the pdf
>>
>>
>>
>> > --------------------------------------------------------------------------------------------
>> > --------------------------------------------------------------------------------------------
>> > --------------------------------------------------------------------------------------------
>> > Using local file /usr/bin/ceph-mds.
>> > Using local file 
>> > /var/log/ceph/mds.kavehome-mgto-pro-fs01.profile.0009.heap.
>> > Total: 400.0 MB
>> >    362.5  90.6%  90.6%    362.5  90.6% 
>> > ceph::buffer::create_aligned_in_mempool
>> >     20.4   5.1%  95.7%     29.8   7.5% CDir::_load_dentry
>> >      5.9   1.5%  97.2%      6.9   1.7% CDir::add_primary_dentry
>> >      4.7   1.2%  98.4%      4.7   1.2% ceph::logging::Log::create_entry
>> >      1.8   0.5%  98.8%      1.8   0.5% 
>> > std::_Rb_tree::_M_emplace_hint_unique
>> >      1.8   0.5%  99.3%      2.2   0.5% compact_map_base::decode
>> >      0.6   0.1%  99.4%      0.7   0.2% CInode::add_client_cap
>> >      0.5   0.1%  99.5%      0.5   0.1% 
>> > std::__cxx11::basic_string::_M_mutate
>> >      0.4   0.1%  99.6%      0.4   0.1% SimpleLock::more
>> >      0.4   0.1%  99.7%      0.4   0.1% MDCache::add_inode
>> >      0.3   0.1%  99.8%      0.3   0.1% CDir::add_to_bloom
>> >      0.2   0.1%  99.9%      0.2   0.1% CDir::steal_dentry
>> >      0.2   0.0%  99.9%      0.2   0.0% CInode::get_or_open_dirfrag
>> >      0.1   0.0%  99.9%      0.8   0.2% std::enable_if::type decode
>> >      0.1   0.0% 100.0%      0.1   0.0% ceph::buffer::list::crc32c
>> >      0.1   0.0% 100.0%      0.1   0.0% decode_message
>> >      0.0   0.0% 100.0%      0.0   0.0% OpTracker::create_request
>> >      0.0   0.0% 100.0%      0.0   0.0% TrackedOp::TrackedOp
>> >      0.0   0.0% 100.0%      0.0   0.0% std::vector::_M_emplace_back_aux
>> >      0.0   0.0% 100.0%      0.0   0.0% std::_Rb_tree::_M_insert_unique
>> >      0.0   0.0% 100.0%      0.0   0.0% CInode::add_dirfrag
>> >      0.0   0.0% 100.0%      0.0   0.0% MDLog::_prepare_new_segment
>> >      0.0   0.0% 100.0%      0.0   0.0% DispatchQueue::enqueue
>> >      0.0   0.0% 100.0%      0.0   0.0% ceph::buffer::list::push_back
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::prepare_new_inode
>> >      0.0   0.0% 100.0%    365.6  91.4% EventCenter::process_events
>> >      0.0   0.0% 100.0%      0.0   0.0% std::_Rb_tree::_M_copy
>> >      0.0   0.0% 100.0%      0.0   0.0% CDir::add_null_dentry
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::check_inode_max_size
>> >      0.0   0.0% 100.0%      0.0   0.0% CDentry::add_client_lease
>> >      0.0   0.0% 100.0%      0.0   0.0% CInode::project_inode
>> >      0.0   0.0% 100.0%      0.0   0.0% std::__cxx11::list::_M_insert
>> >      0.0   0.0% 100.0%      0.0   0.0% MDBalancer::handle_heartbeat
>> >      0.0   0.0% 100.0%      0.0   0.0% MDBalancer::send_heartbeat
>> >      0.0   0.0% 100.0%      0.0   0.0% C_GatherBase::C_GatherSub::complete
>> >      0.0   0.0% 100.0%      0.0   0.0% EventCenter::create_time_event
>> >      0.0   0.0% 100.0%      0.0   0.0% CDir::_omap_fetch
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::handle_inode_file_caps
>> >      0.0   0.0% 100.0%      0.0   0.0% std::_Rb_tree::_M_insert_equal
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::issue_caps
>> >      0.0   0.0% 100.0%      0.1   0.0% MDLog::_submit_thread
>> >      0.0   0.0% 100.0%      0.0   0.0% Journaler::_wait_for_flush
>> >      0.0   0.0% 100.0%      0.0   0.0% Journaler::wrap_finisher
>> >      0.0   0.0% 100.0%      0.0   0.0% MDSCacheObject::add_waiter
>> >      0.0   0.0% 100.0%      0.0   0.0% std::__cxx11::list::insert
>> >      0.0   0.0% 100.0%      0.0   0.0% std::__detail::_Map_base::operator[]
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::mark_updated_scatterlock
>> >      0.0   0.0% 100.0%      0.0   0.0% std::_Rb_tree::_M_insert_
>> >      0.0   0.0% 100.0%      0.0   0.0% alloc_ptr::operator->
>> >      0.0   0.0% 100.0%      0.0   0.0% ceph::buffer::list::append@5c1560
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > ceph::buffer::malformed_input::~malformed_input
>> >      0.0   0.0% 100.0%      0.0   0.0% compact_set_base::insert
>> >      0.0   0.0% 100.0%      0.0   0.0% CDir::add_waiter
>> >      0.0   0.0% 100.0%      0.0   0.0% InoTable::apply_release_ids
>> >      0.0   0.0% 100.0%      0.0   0.0% InoTable::project_release_ids
>> >      0.0   0.0% 100.0%      2.2   0.5% InodeStoreBase::decode_bare
>> >      0.0   0.0% 100.0%      0.0   0.0% interval_set::erase
>> >      0.0   0.0% 100.0%      1.1   0.3% std::map::operator[]
>> >      0.0   0.0% 100.0%      0.0   0.0% Beacon::_send
>> >      0.0   0.0% 100.0%      0.0   0.0% MDSDaemon::reset_tick
>> >      0.0   0.0% 100.0%      0.0   0.0% MgrClient::send_report
>> >      0.0   0.0% 100.0%      0.0   0.0% Journaler::_do_flush
>> >      0.0   0.0% 100.0%      0.1   0.0% Locker::rdlock_start
>> >      0.0   0.0% 100.0%      0.0   0.0% MDCache::_get_waiter
>> >      0.0   0.0% 100.0%      0.0   0.0% CDentry::~CDentry
>> >      0.0   0.0% 100.0%      0.0   0.0% MonClient::schedule_tick
>> >      0.0   0.0% 100.0%      0.1   0.0% AsyncConnection::handle_write
>> >      0.0   0.0% 100.0%      0.1   0.0% 
>> > AsyncConnection::prepare_send_message
>> >      0.0   0.0% 100.0%    365.5  91.4% AsyncConnection::process
>> >      0.0   0.0% 100.0%      0.3   0.1% AsyncConnection::send_message
>> >      0.0   0.0% 100.0%      0.0   0.0% AsyncConnection::tick
>> >      0.0   0.0% 100.0%      0.0   0.0% AsyncMessenger::_send_message
>> >      0.0   0.0% 100.0%      0.0   0.0% AsyncMessenger::send_message
>> >      0.0   0.0% 100.0%      0.0   0.0% AsyncMessenger::submit_message
>> >      0.0   0.0% 100.0%      0.0   0.0% Beacon::notify_health
>> >      0.0   0.0% 100.0%      0.2   0.1% CDentry::CDentry
>> >      0.0   0.0% 100.0%      0.0   0.0% CDentry::_mark_dirty
>> >      0.0   0.0% 100.0%      0.0   0.0% CDentry::auth_pin
>> >      0.0   0.0% 100.0%      0.0   0.0% CDentry::mark_dirty
>> >      0.0   0.0% 100.0%      0.0   0.0% CDentry::pop_projected_linkage
>> >      0.0   0.0% 100.0%      0.0   0.0% CDir::_mark_dirty
>> >      0.0   0.0% 100.0%     29.8   7.5% CDir::_omap_fetched
>> >      0.0   0.0% 100.0%      0.0   0.0% CDir::auth_pin
>> >      0.0   0.0% 100.0%      0.0   0.0% CDir::fetch
>> >      0.0   0.0% 100.0%      0.0   0.0% CDir::link_inode_work
>> >      0.0   0.0% 100.0%      0.0   0.0% CDir::link_primary_inode
>> >      0.0   0.0% 100.0%      0.0   0.0% CInode::_mark_dirty
>> >      0.0   0.0% 100.0%      0.0   0.0% CInode::add_waiter
>> >      0.0   0.0% 100.0%      0.0   0.0% CInode::auth_pin
>> >      0.0   0.0% 100.0%      0.4   0.1% CInode::choose_ideal_loner
>> >      0.0   0.0% 100.0%      0.4   0.1% CInode::encode_inodestat
>> >      0.0   0.0% 100.0%      0.0   0.0% CInode::mark_dirty
>> >      0.0   0.0% 100.0%      0.0   0.0% CInode::mark_dirty_parent
>> >      0.0   0.0% 100.0%      0.0   0.0% CInode::mark_dirty_rstat
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > CInode::pop_and_dirty_projected_inode
>> >      0.0   0.0% 100.0%      0.4   0.1% CInode::set_loner_cap
>> >      0.0   0.0% 100.0%     29.8   7.5% C_IO_Dir_OMAP_Fetched::finish
>> >      0.0   0.0% 100.0%      0.0   0.0% C_Locker_FileUpdate_finish::finish
>> >      0.0   0.0% 100.0%      0.0   0.0% C_MDL_CheckMaxSize::finish
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > C_MDS_RetryRequest::~C_MDS_RetryRequest
>> >      0.0   0.0% 100.0%      0.0   0.0% C_MDS_inode_update_finish::finish
>> >      0.0   0.0% 100.0%      0.0   0.0% C_MDS_openc_finish::finish
>> >      0.0   0.0% 100.0%      0.0   0.0% C_MDS_session_finish::finish
>> >      0.0   0.0% 100.0%      0.0   0.0% C_OnFinisher::finish
>> >      0.0   0.0% 100.0%      1.2   0.3% Context::complete
>> >      0.0   0.0% 100.0%      3.7   0.9% DispatchQueue::DispatchThread::entry
>> >      0.0   0.0% 100.0%      3.7   0.9% DispatchQueue::entry
>> >      0.0   0.0% 100.0%      0.9   0.2% DispatchQueue::fast_dispatch
>> >      0.0   0.0% 100.0%      2.1   0.5% DispatchQueue::pre_dispatch
>> >      0.0   0.0% 100.0%      0.0   0.0% EMetaBlob::print
>> >      0.0   0.0% 100.0%      0.0   0.0% EventCenter::process_time_events
>> >      0.0   0.0% 100.0%     29.9   7.5% Finisher::finisher_thread_entry
>> >      0.0   0.0% 100.0%      0.4   0.1% FunctionContext::finish
>> >      0.0   0.0% 100.0%      0.0   0.0% Journaler::_flush
>> >      0.0   0.0% 100.0%      0.0   0.0% Journaler::_write_head
>> >      0.0   0.0% 100.0%      0.0   0.0% Journaler::flush
>> >      0.0   0.0% 100.0%      0.0   0.0% Journaler::wait_for_flush
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::_do_cap_release
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::_do_cap_update
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::_drop_non_rdlocks
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::_rdlock_kick
>> >      0.0   0.0% 100.0%      0.2   0.0% Locker::acquire_locks
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::adjust_cap_wanted
>> >      0.0   0.0% 100.0%      0.2   0.0% Locker::dispatch
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::drop_locks
>> >      0.0   0.0% 100.0%      0.4   0.1% Locker::eval
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::eval_gather
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::file_update_finish
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::handle_client_cap_release
>> >      0.0   0.0% 100.0%      0.2   0.0% Locker::handle_client_caps
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::handle_client_lease
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::handle_file_lock
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::handle_lock
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::issue_caps_set
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::issue_client_lease
>> >      0.0   0.0% 100.0%      0.6   0.2% Locker::issue_new_caps
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::local_wrlock_start
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::nudge_log
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::scatter_eval
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::scatter_mix
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::scatter_nudge
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::scatter_tick
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::scatter_writebehind
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::scatter_writebehind_finish
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::send_lock_message@42d5b0
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::send_lock_message@42f2b0
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::share_inode_max_size
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::simple_lock
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::simple_sync
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::tick
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::try_eval@43da60
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::try_eval@441fb0
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::wrlock_finish
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::wrlock_force
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::wrlock_start
>> >      0.0   0.0% 100.0%      0.0   0.0% Locker::xlock_start
>> >      0.0   0.0% 100.0%      0.0   0.0% MClientCaps::print
>> >      0.0   0.0% 100.0%      0.0   0.0% MClientRequest::decode_payload
>> >      0.0   0.0% 100.0%      0.0   0.0% MClientRequest::print
>> >      0.0   0.0% 100.0%      0.0   0.0% MDBalancer::prep_rebalance
>> >      0.0   0.0% 100.0%      0.0   0.0% MDBalancer::proc_message
>> >      0.0   0.0% 100.0%      0.0   0.0% MDCache::check_memory_usage
>> >      0.0   0.0% 100.0%      0.2   0.1% MDCache::path_traverse
>> >      0.0   0.0% 100.0%      0.0   0.0% MDCache::predirty_journal_parents
>> >      0.0   0.0% 100.0%      0.0   0.0% MDCache::request_cleanup
>> >      0.0   0.0% 100.0%      0.0   0.0% MDCache::request_finish
>> >      0.0   0.0% 100.0%      0.0   0.0% MDCache::request_start
>> >      0.0   0.0% 100.0%      0.3   0.1% MDCache::trim
>> >      0.0   0.0% 100.0%      0.3   0.1% MDCache::trim_dentry
>> >      0.0   0.0% 100.0%      0.3   0.1% MDCache::trim_lru
>> >      0.0   0.0% 100.0%      0.0   0.0% MDCache::truncate_inode
>> >      0.0   0.0% 100.0%      0.1   0.0% MDLog::SubmitThread::entry
>> >      0.0   0.0% 100.0%      0.0   0.0% MDLog::_start_new_segment
>> >      0.0   0.0% 100.0%      0.0   0.0% MDLog::_submit_entry
>> >      0.0   0.0% 100.0%      0.0   0.0% MDLog::submit_entry
>> >      0.0   0.0% 100.0%      0.0   0.0% MDSCacheObject::finish_waiting
>> >      0.0   0.0% 100.0%      0.2   0.1% MDSCacheObject::get
>> >      0.0   0.0% 100.0%      1.7   0.4% MDSDaemon::ms_dispatch
>> >      0.0   0.0% 100.0%      0.0   0.0% MDSDaemon::tick
>> >      0.0   0.0% 100.0%     29.9   7.5% MDSIOContextBase::complete
>> >      0.0   0.0% 100.0%      0.7   0.2% MDSInternalContextBase::complete
>> >      0.0   0.0% 100.0%      0.0   0.0% MDSLogContextBase::complete
>> >      0.0   0.0% 100.0%      0.3   0.1% MDSRank::ProgressThread::entry
>> >      0.0   0.0% 100.0%      0.7   0.2% MDSRank::_advance_queues
>> >      0.0   0.0% 100.0%      1.7   0.4% MDSRank::_dispatch
>> >      0.0   0.0% 100.0%      1.3   0.3% MDSRank::handle_deferrable_message
>> >      0.0   0.0% 100.0%      0.0   0.0% MDSRank::send_message_client
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > MDSRank::send_message_client_counted@2a9260
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > MDSRank::send_message_client_counted@2a94f0
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > MDSRank::send_message_client_counted@2b1920
>> >      0.0   0.0% 100.0%      0.0   0.0% MDSRank::send_message_mds
>> >      0.0   0.0% 100.0%      1.7   0.4% MDSRankDispatcher::ms_dispatch
>> >      0.0   0.0% 100.0%      0.4   0.1% MDSRankDispatcher::tick
>> >      0.0   0.0% 100.0%      0.0   0.0% MOSDOp::print
>> >      0.0   0.0% 100.0%      0.1   0.0% Message::encode
>> >      0.0   0.0% 100.0%      0.0   0.0% MonClient::_check_auth_rotating
>> >      0.0   0.0% 100.0%      0.0   0.0% MonClient::_check_auth_tickets
>> >      0.0   0.0% 100.0%      0.0   0.0% MonClient::_send_mon_message
>> >      0.0   0.0% 100.0%      0.0   0.0% MonClient::tick
>> >      0.0   0.0% 100.0%      0.0   0.0% MutationImpl::MutationImpl
>> >      0.0   0.0% 100.0%      0.1   0.0% MutationImpl::auth_pin
>> >      0.0   0.0% 100.0%      0.1   0.0% MutationImpl::pin
>> >      0.0   0.0% 100.0%      0.0   0.0% MutationImpl::start_locking
>> >      0.0   0.0% 100.0%    365.6  91.4% NetworkStack::get_worker
>> >      0.0   0.0% 100.0%      0.8   0.2% 
>> > ObjectOperation::C_ObjectOperation_decodevals::finish
>> >      0.0   0.0% 100.0%      0.1   0.0% Objecter::_op_submit
>> >      0.0   0.0% 100.0%      0.1   0.0% Objecter::_op_submit_with_budget
>> >      0.0   0.0% 100.0%      0.1   0.0% Objecter::_send_op
>> >      0.0   0.0% 100.0%      0.8   0.2% Objecter::handle_osd_op_reply
>> >      0.0   0.0% 100.0%      0.8   0.2% Objecter::ms_dispatch
>> >      0.0   0.0% 100.0%      0.8   0.2% Objecter::ms_fast_dispatch
>> >      0.0   0.0% 100.0%      0.1   0.0% Objecter::op_submit
>> >      0.0   0.0% 100.0%      0.0   0.0% Objecter::sg_write_trunc
>> >      0.0   0.0% 100.0%      0.0   0.0% OpHistory::insert
>> >      0.0   0.0% 100.0%      0.0   0.0% OpTracker::unregister_inflight_op
>> >      0.0   0.0% 100.0%      0.0   0.0% PrebufferedStreambuf::overflow
>> >      0.0   0.0% 100.0%      0.0   0.0% SafeTimer::add_event_after
>> >      0.0   0.0% 100.0%      0.0   0.0% SafeTimer::add_event_at
>> >      0.0   0.0% 100.0%      0.4   0.1% SafeTimer::timer_thread
>> >      0.0   0.0% 100.0%      0.4   0.1% SafeTimerThread::entry
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::_session_logged
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::apply_allocated_inos
>> >      0.0   0.0% 100.0%      1.1   0.3% Server::dispatch
>> >      0.0   0.0% 100.0%      1.7   0.4% Server::dispatch_client_request
>> >      0.0   0.0% 100.0%      0.7   0.2% Server::handle_client_getattr
>> >      0.0   0.0% 100.0%      0.9   0.2% Server::handle_client_open
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::handle_client_openc
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::handle_client_readdir
>> >      0.0   0.0% 100.0%      1.1   0.3% Server::handle_client_request
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::handle_client_session
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::handle_client_setattr
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::journal_and_reply
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::journal_close_session
>> >      0.0   0.0% 100.0%      0.3   0.1% Server::rdlock_path_pin_ref
>> >      0.0   0.0% 100.0%      0.0   0.0% Server::recall_client_state
>> >      0.0   0.0% 100.0%      0.5   0.1% Server::reply_client_request
>> >      0.0   0.0% 100.0%      0.5   0.1% Server::respond_to_request
>> >      0.0   0.0% 100.0%      0.4   0.1% Server::set_trace_dist
>> >      0.0   0.0% 100.0%      0.0   0.0% SessionMap::_mark_dirty
>> >      0.0   0.0% 100.0%      0.0   0.0% SessionMap::mark_dirty
>> >      0.0   0.0% 100.0%      0.0   0.0% SessionMap::remove_session
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > ceph::buffer::list::iterator_impl::copy
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > ceph::buffer::list::iterator_impl::copy_shallow
>> >      0.0   0.0% 100.0%    400.0 100.0% clone
>> >      0.0   0.0% 100.0%      0.0   0.0% filepath::parse_bits
>> >      0.0   0.0% 100.0%      0.0   0.0% inode_t::operator=
>> >      0.0   0.0% 100.0%      0.0   0.0% operator<<@2a2890
>> >      0.0   0.0% 100.0%      0.0   0.0% operator<<@2c9760
>> >      0.0   0.0% 100.0%      0.0   0.0% operator<<@3eadf0
>> >      0.0   0.0% 100.0%    400.0 100.0% start_thread
>> >      0.0   0.0% 100.0%      0.1   0.0% 
>> > std::__cxx11::basic_string::_M_append
>> >      0.0   0.0% 100.0%      0.0   0.0% 
>> > std::__cxx11::basic_string::_M_replace_aux
>> >      0.0   0.0% 100.0%      0.0   0.0% std::__cxx11::list::operator=
>> >      0.0   0.0% 100.0%      0.0   0.0% std::__ostream_insert
>> >      0.0   0.0% 100.0%      0.0   0.0% std::basic_streambuf::xsputn
>> >      0.0   0.0% 100.0%      0.0   0.0% std::num_put::_M_insert_int
>> >      0.0   0.0% 100.0%      0.0   0.0% std::num_put::do_put
>> >      0.0   0.0% 100.0%      0.0   0.0% std::operator<<
>> >      0.0   0.0% 100.0%      0.0   0.0% std::ostream::_M_insert
>> >      0.0   0.0% 100.0%    365.6  91.4% std::this_thread::__sleep_for
>> >      0.0   0.0% 100.0%      0.0   0.0% utime_t::localtime
>> >      0.0   0.0% 100.0%      0.1   0.0% void finish_contexts@2a30f0
>> > --------------------------------------------------------------------------------------------
>> > --------------------------------------------------------------------------------------------
>> > --------------------------------------------------------------------------------------------
>> >
>> >
>> > Greetings!!
>> >
>> > 2018-07-24 12:07 GMT+02:00 Yan, Zheng <uker...@gmail.com>:
>> >>
>> >> On Tue, Jul 24, 2018 at 4:59 PM Daniel Carrasco <d.carra...@i2tic.com> 
>> >> wrote:
>> >> >
>> >> > Hello,
>> >> >
>> >> > How many time is neccesary?, because is a production environment and 
>> >> > memory profiler + low cache size because the problem, gives a lot of 
>> >> > CPU usage from OSD and MDS that makes it fails while profiler is 
>> >> > running. Is there any problem if is done in a low traffic time? (less 
>> >> > usage and maybe it don't fails, but maybe less info about usage).
>> >> >
>> >>
>> >> just one time,  wait a few minutes between start_profiler and 
>> >> stop_profiler
>> >>
>> >> > Greetings!
>> >> >
>> >> > 2018-07-24 10:21 GMT+02:00 Yan, Zheng <uker...@gmail.com>:
>> >> >>
>> >> >> I mean:
>> >> >>
>> >> >> ceph tell mds.x heap start_profiler
>> >> >>
>> >> >> ... wait for some time
>> >> >>
>> >> >> ceph tell mds.x heap stop_profiler
>> >> >>
>> >> >> pprof --text  /usr/bin/ceph-mds
>> >> >> /var/log/ceph/ceph-mds.x.profile.<largest number>.heap
>> >> >>
>> >> >>
>> >> >>
>> >> >>
>> >> >> On Tue, Jul 24, 2018 at 3:18 PM Daniel Carrasco <d.carra...@i2tic.com> 
>> >> >> wrote:
>> >> >> >
>> >> >> > This is what i get:
>> >> >> >
>> >> >> > --------------------------------------------------------
>> >> >> > --------------------------------------------------------
>> >> >> > --------------------------------------------------------
>> >> >> > :/# ceph tell mds.kavehome-mgto-pro-fs01 heap dump
>> >> >> > 2018-07-24 09:05:19.350720 7fc562ffd700  0 client.1452545 
>> >> >> > ms_handle_reset on 10.22.0.168:6800/1685786126
>> >> >> > 2018-07-24 09:05:29.103903 7fc563fff700  0 client.1452548 
>> >> >> > ms_handle_reset on 10.22.0.168:6800/1685786126
>> >> >> > mds.kavehome-mgto-pro-fs01 dumping heap profile now.
>> >> >> > ------------------------------------------------
>> >> >> > MALLOC:      760199640 (  725.0 MiB) Bytes in use by application
>> >> >> > MALLOC: +            0 (    0.0 MiB) Bytes in page heap freelist
>> >> >> > MALLOC: +    246962320 (  235.5 MiB) Bytes in central cache freelist
>> >> >> > MALLOC: +     43933664 (   41.9 MiB) Bytes in transfer cache freelist
>> >> >> > MALLOC: +     41012664 (   39.1 MiB) Bytes in thread cache freelists
>> >> >> > MALLOC: +     10186912 (    9.7 MiB) Bytes in malloc metadata
>> >> >> > MALLOC:   ------------
>> >> >> > MALLOC: =   1102295200 ( 1051.2 MiB) Actual memory used (physical + 
>> >> >> > swap)
>> >> >> > MALLOC: +   4268335104 ( 4070.6 MiB) Bytes released to OS (aka 
>> >> >> > unmapped)
>> >> >> > MALLOC:   ------------
>> >> >> > MALLOC: =   5370630304 ( 5121.8 MiB) Virtual address space used
>> >> >> > MALLOC:
>> >> >> > MALLOC:          33027              Spans in use
>> >> >> > MALLOC:             19              Thread heaps in use
>> >> >> > MALLOC:           8192              Tcmalloc page size
>> >> >> > ------------------------------------------------
>> >> >> > Call ReleaseFreeMemory() to release freelist memory to the OS (via 
>> >> >> > madvise()).
>> >> >> > Bytes released to the OS take up virtual address space but no 
>> >> >> > physical memory.
>> >> >> >
>> >> >> >
>> >> >> > --------------------------------------------------------
>> >> >> > --------------------------------------------------------
>> >> >> > --------------------------------------------------------
>> >> >> > :/# ceph tell mds.kavehome-mgto-pro-fs01 heap stats
>> >> >> > 2018-07-24 09:14:25.747706 7f94fffff700  0 client.1452578 
>> >> >> > ms_handle_reset on 10.22.0.168:6800/1685786126
>> >> >> > 2018-07-24 09:14:25.754034 7f95057fa700  0 client.1452581 
>> >> >> > ms_handle_reset on 10.22.0.168:6800/1685786126
>> >> >> > mds.kavehome-mgto-pro-fs01 tcmalloc heap 
>> >> >> > stats:------------------------------------------------
>> >> >> > MALLOC:      960649328 (  916.1 MiB) Bytes in use by application
>> >> >> > MALLOC: +            0 (    0.0 MiB) Bytes in page heap freelist
>> >> >> > MALLOC: +    108867288 (  103.8 MiB) Bytes in central cache freelist
>> >> >> > MALLOC: +     37179424 (   35.5 MiB) Bytes in transfer cache freelist
>> >> >> > MALLOC: +     40143000 (   38.3 MiB) Bytes in thread cache freelists
>> >> >> > MALLOC: +     10186912 (    9.7 MiB) Bytes in malloc metadata
>> >> >> > MALLOC:   ------------
>> >> >> > MALLOC: =   1157025952 ( 1103.4 MiB) Actual memory used (physical + 
>> >> >> > swap)
>> >> >> > MALLOC: +   4213604352 ( 4018.4 MiB) Bytes released to OS (aka 
>> >> >> > unmapped)
>> >> >> > MALLOC:   ------------
>> >> >> > MALLOC: =   5370630304 ( 5121.8 MiB) Virtual address space used
>> >> >> > MALLOC:
>> >> >> > MALLOC:          33028              Spans in use
>> >> >> > MALLOC:             19              Thread heaps in use
>> >> >> > MALLOC:           8192              Tcmalloc page size
>> >> >> > ------------------------------------------------
>> >> >> > Call ReleaseFreeMemory() to release freelist memory to the OS (via 
>> >> >> > madvise()).
>> >> >> > Bytes released to the OS take up virtual address space but no 
>> >> >> > physical memory.
>> >> >> >
>> >> >> > --------------------------------------------------------
>> >> >> > --------------------------------------------------------
>> >> >> > --------------------------------------------------------
>> >> >> > After heap release:
>> >> >> > :/# ceph tell mds.kavehome-mgto-pro-fs01 heap stats
>> >> >> > 2018-07-24 09:15:28.540203 7f2f7affd700  0 client.1443339 
>> >> >> > ms_handle_reset on 10.22.0.168:6800/1685786126
>> >> >> > 2018-07-24 09:15:28.547153 7f2f7bfff700  0 client.1443342 
>> >> >> > ms_handle_reset on 10.22.0.168:6800/1685786126
>> >> >> > mds.kavehome-mgto-pro-fs01 tcmalloc heap 
>> >> >> > stats:------------------------------------------------
>> >> >> > MALLOC:      710315776 (  677.4 MiB) Bytes in use by application
>> >> >> > MALLOC: +            0 (    0.0 MiB) Bytes in page heap freelist
>> >> >> > MALLOC: +    246471880 (  235.1 MiB) Bytes in central cache freelist
>> >> >> > MALLOC: +     40802848 (   38.9 MiB) Bytes in transfer cache freelist
>> >> >> > MALLOC: +     38689304 (   36.9 MiB) Bytes in thread cache freelists
>> >> >> > MALLOC: +     10186912 (    9.7 MiB) Bytes in malloc metadata
>> >> >> > MALLOC:   ------------
>> >> >> > MALLOC: =   1046466720 (  998.0 MiB) Actual memory used (physical + 
>> >> >> > swap)
>> >> >> > MALLOC: +   4324163584 ( 4123.8 MiB) Bytes released to OS (aka 
>> >> >> > unmapped)
>> >> >> > MALLOC:   ------------
>> >> >> > MALLOC: =   5370630304 ( 5121.8 MiB) Virtual address space used
>> >> >> > MALLOC:
>> >> >> > MALLOC:          33177              Spans in use
>> >> >> > MALLOC:             19              Thread heaps in use
>> >> >> > MALLOC:           8192              Tcmalloc page size
>> >> >> > ------------------------------------------------
>> >> >> > Call ReleaseFreeMemory() to release freelist memory to the OS (via 
>> >> >> > madvise()).
>> >> >> > Bytes released to the OS take up virtual address space but no 
>> >> >> > physical memory.
>> >> >> >
>> >> >> >
>> >> >> > The other commands fails with a curl error:
>> >> >> > Failed to get profile: curl 'http:///pprof/profile?seconds=30' > 
>> >> >> > /root/pprof/.tmp.ceph-mds.1532416424.:
>> >> >> >
>> >> >> >
>> >> >> > Greetings!!
>> >> >> >
>> >> >> > 2018-07-24 5:35 GMT+02:00 Yan, Zheng <uker...@gmail.com>:
>> >> >> >>
>> >> >> >> could you profile memory allocation of mds
>> >> >> >>
>> >> >> >> http://docs.ceph.com/docs/mimic/rados/troubleshooting/memory-profiling/
>> >> >> >> On Tue, Jul 24, 2018 at 7:54 AM Daniel Carrasco 
>> >> >> >> <d.carra...@i2tic.com> wrote:
>> >> >> >> >
>> >> >> >> > Yeah, is also my thread. This thread was created before lower the 
>> >> >> >> > cache size from 512Mb to 8Mb. I thought that maybe was my fault 
>> >> >> >> > and I did a misconfiguration, so I've ignored the problem until 
>> >> >> >> > now.
>> >> >> >> >
>> >> >> >> > Greetings!
>> >> >> >> >
>> >> >> >> > El mar., 24 jul. 2018 1:00, Gregory Farnum <gfar...@redhat.com> 
>> >> >> >> > escribió:
>> >> >> >> >>
>> >> >> >> >> On Mon, Jul 23, 2018 at 11:08 AM Patrick Donnelly 
>> >> >> >> >> <pdonn...@redhat.com> wrote:
>> >> >> >> >>>
>> >> >> >> >>> On Mon, Jul 23, 2018 at 5:48 AM, Daniel Carrasco 
>> >> >> >> >>> <d.carra...@i2tic.com> wrote:
>> >> >> >> >>> > Hi, thanks for your response.
>> >> >> >> >>> >
>> >> >> >> >>> > Clients are about 6, and 4 of them are the most of time on 
>> >> >> >> >>> > standby. Only two
>> >> >> >> >>> > are active servers that are serving the webpage. Also we've a 
>> >> >> >> >>> > varnish on
>> >> >> >> >>> > front, so are not getting all the load (below 30% in PHP is 
>> >> >> >> >>> > not much).
>> >> >> >> >>> > About the MDS cache, now I've the mds_cache_memory_limit at 
>> >> >> >> >>> > 8Mb.
>> >> >> >> >>>
>> >> >> >> >>> What! Please post `ceph daemon mds.<name> config diff`,  `... 
>> >> >> >> >>> perf
>> >> >> >> >>> dump`, and `... dump_mempools `  from the server the active MDS 
>> >> >> >> >>> is on.
>> >> >> >> >>>
>> >> >> >> >>> > I've tested
>> >> >> >> >>> > also 512Mb, but the CPU usage is the same and the MDS RAM 
>> >> >> >> >>> > usage grows up to
>> >> >> >> >>> > 15GB (on a 16Gb server it starts to swap and all fails). With 
>> >> >> >> >>> > 8Mb, at least
>> >> >> >> >>> > the memory usage is stable on less than 6Gb (now is using 
>> >> >> >> >>> > about 1GB of RAM).
>> >> >> >> >>>
>> >> >> >> >>> We've seen reports of possible memory leaks before and the 
>> >> >> >> >>> potential
>> >> >> >> >>> fixes for those were in 12.2.6. How fast does your MDS reach 
>> >> >> >> >>> 15GB?
>> >> >> >> >>> Your MDS cache size should be configured to 1-8GB (depending on 
>> >> >> >> >>> your
>> >> >> >> >>> preference) so it's disturbing to see you set it so low.
>> >> >> >> >>
>> >> >> >> >>
>> >> >> >> >> See also the thread "[ceph-users] Fwd: MDS memory usage is very 
>> >> >> >> >> high", which had more discussion of that. The MDS daemon 
>> >> >> >> >> seemingly had 9.5GB of allocated RSS but only believed 489MB was 
>> >> >> >> >> in use for the cache...
>> >> >> >> >> -Greg
>> >> >> >> >>
>> >> >> >> >>>
>> >> >> >> >>>
>> >> >> >> >>> --
>> >> >> >> >>> Patrick Donnelly
>> >> >> >> >>> _______________________________________________
>> >> >> >> >>> ceph-users mailing list
>> >> >> >> >>> ceph-users@lists.ceph.com
>> >> >> >> >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >> >> >> >
>> >> >> >> > _______________________________________________
>> >> >> >> > ceph-users mailing list
>> >> >> >> > ceph-users@lists.ceph.com
>> >> >> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> > --
>> >> >> > _________________________________________
>> >> >> >
>> >> >> >       Daniel Carrasco Marín
>> >> >> >       Ingeniería para la Innovación i2TIC, S.L.
>> >> >> >       Tlf:  +34 911 12 32 84 Ext: 223
>> >> >> >       www.i2tic.com
>> >> >> > _________________________________________
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > _________________________________________
>> >> >
>> >> >       Daniel Carrasco Marín
>> >> >       Ingeniería para la Innovación i2TIC, S.L.
>> >> >       Tlf:  +34 911 12 32 84 Ext: 223
>> >> >       www.i2tic.com
>> >> > _________________________________________
>> >
>> >
>> >
>> >
>> > --
>> > _________________________________________
>> >
>> >       Daniel Carrasco Marín
>> >       Ingeniería para la Innovación i2TIC, S.L.
>> >       Tlf:  +34 911 12 32 84 Ext: 223
>> >       www.i2tic.com
>> > _________________________________________
>
>
>
>
> --
> _________________________________________
>
>       Daniel Carrasco Marín
>       Ingeniería para la Innovación i2TIC, S.L.
>       Tlf:  +34 911 12 32 84 Ext: 223
>       www.i2tic.com
> _________________________________________
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