[Pacemaker] The problem with which queue between cib and stonith-ng overflows
Andrew Beekhof
andrew at beekhof.net
Wed Jun 4 00:11:55 CEST 2014
On 3 Jun 2014, at 11:26 am, Yusuke Iida <yusk.iida at gmail.com> wrote:
> Hi, Andrew
>
> About 15 seconds are the time taken in the whole device construction.
> I think that it cannot receive the message from cib during device
> construction since stonith-ng does not return to mainloop.
I'm reasonably sure this is because we do synchronous metadata calls when a device is added.
I'll have a patch which creates a per-agent metadata cache (instead of per device) for you to test later today.
>
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: init_cib_cache_cb:
> Updating device list from the cib: init
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: stonith_level_remove:
> Node vm01 not found (0 active entries)
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm01 has 1 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm01 has 2 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: stonith_level_remove:
> Node vm02 not found (1 active entries)
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm02 has 1 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm02 has 2 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: stonith_level_remove:
> Node vm03 not found (2 active entries)
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm03 has 1 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm03 has 2 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: stonith_level_remove:
> Node vm04 not found (3 active entries)
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm04 has 1 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm04 has 2 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: stonith_level_remove:
> Node vm05 not found (4 active entries)
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm05 has 1 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm05 has 2 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: stonith_level_remove:
> Node vm06 not found (5 active entries)
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm06 has 1 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm06 has 2 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: stonith_level_remove:
> Node vm07 not found (6 active entries)
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm07 has 1 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm07 has 2 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: stonith_level_remove:
> Node vm08 not found (7 active entries)
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm08 has 1 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info:
> stonith_level_register: Node vm08 has 2 active fencing levels
> Jun 2 11:34:02 vm04 stonith-ng[4891]: info: cib_devices_update:
> Updating devices to version 0.4.937
> Jun 2 11:34:02 vm04 stonith-ng[4891]: notice: unpack_config: On
> loss of CCM Quorum: Ignore
> Jun 2 11:34:02 vm04 stonith-ng[4891]: warning:
> handle_startup_fencing: Blind faith: not fencing unseen nodes
> Jun 2 11:34:02 vm04 stonith-ng[4891]: warning:
> handle_startup_fencing: Blind faith: not fencing unseen nodes
> Jun 2 11:34:02 vm04 stonith-ng[4891]: warning:
> handle_startup_fencing: Blind faith: not fencing unseen nodes
> Jun 2 11:34:02 vm04 stonith-ng[4891]: warning:
> handle_startup_fencing: Blind faith: not fencing unseen nodes
> Jun 2 11:34:02 vm04 stonith-ng[4891]: warning:
> handle_startup_fencing: Blind faith: not fencing unseen nodes
> Jun 2 11:34:02 vm04 stonith-ng[4891]: warning:
> handle_startup_fencing: Blind faith: not fencing unseen nodes
> Jun 2 11:34:02 vm04 stonith-ng[4891]: warning:
> handle_startup_fencing: Blind faith: not fencing unseen nodes
> Jun 2 11:34:02 vm04 stonith-ng[4891]: warning:
> handle_startup_fencing: Blind faith: not fencing unseen nodes
> Jun 2 11:34:03 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_helper01' to the device
> list (1 active devices)
> Jun 2 11:34:04 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_libvirt01' to the device
> list (2 active devices)
> Jun 2 11:34:05 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_helper02' to the device
> list (3 active devices)
> Jun 2 11:34:06 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_libvirt02' to the device
> list (4 active devices)
> Jun 2 11:34:07 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_helper03' to the device
> list (5 active devices)
> Jun 2 11:34:08 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_libvirt03' to the device
> list (6 active devices)
> Jun 2 11:34:08 vm04 stonith-ng[4891]: info: cib_device_update:
> Device prmStonith_helper04 has been disabled on vm04: score=-INFINITY
> Jun 2 11:34:08 vm04 stonith-ng[4891]: info: cib_device_update:
> Device prmStonith_libvirt04 has been disabled on vm04: score=-INFINITY
> Jun 2 11:34:09 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_helper05' to the device
> list (7 active devices)
> Jun 2 11:34:10 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_libvirt05' to the device
> list (8 active devices)
> Jun 2 11:34:11 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_helper06' to the device
> list (9 active devices)
> Jun 2 11:34:12 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_libvirt06' to the device
> list (10 active devices)
> Jun 2 11:34:13 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_helper07' to the device
> list (11 active devices)
> Jun 2 11:34:14 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_libvirt07' to the device
> list (12 active devices)
> Jun 2 11:34:15 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_helper08' to the device
> list (13 active devices)
> Jun 2 11:34:16 vm04 stonith-ng[4891]: notice:
> stonith_device_register: Added 'prmStonith_libvirt08' to the device
> list (14 active devices)
>
> Regards,
> Yusuke
>
> 2014-06-02 20:31 GMT+09:00 Andrew Beekhof <andrew at beekhof.net>:
>>
>> On 2 Jun 2014, at 3:05 pm, Yusuke Iida <yusk.iida at gmail.com> wrote:
>>
>>> Hi, Andrew
>>>
>>> I use the newest of 1.1 brunches and am testing by eight sets of nodes.
>>>
>>> Although the problem was settled once,
>>> Now, the problem with which queue overflows between cib and stonithd
>>> has recurred.
>>>
>>> As an example, I paste the log of the DC node.
>>> The problem is occurring on all nodes.
>>>
>>> Jun 2 11:34:02 vm04 cib[3940]: error: crm_ipcs_flush_events:
>>> Evicting slow client 0x250afe0[3941]: event queue reached 638 entries
>>> Jun 2 11:34:02 vm04 stonith-ng[3941]: error: crm_ipc_read:
>>> Connection to cib_rw failed
>>> Jun 2 11:34:02 vm04 stonith-ng[3941]: error:
>>> mainloop_gio_callback: Connection to cib_rw[0x662510] closed (I/O
>>> condition=17)
>>> Jun 2 11:34:02 vm04 stonith-ng[3941]: notice:
>>> cib_connection_destroy: Connection to the CIB terminated. Shutting
>>> down.
>>> Jun 2 11:34:02 vm04 stonith-ng[3941]: info: stonith_shutdown:
>>> Terminating with 2 clients
>>> Jun 2 11:34:02 vm04 stonith-ng[3941]: info: qb_ipcs_us_withdraw:
>>> withdrawing server sockets
>>>
>>> After loading a resource setup, time for stonithd to build device
>>> information is long.
>>> It has taken the time for about about 15 seconds.
>>
>> 15 seconds!! Yikes. I'll investigate tomorrow.
>>
>>> It seems that the diff message of cib accumulates between them.
>>>
>>> Are there any plans to improve on this issue?
>>>
>>> I attach a report when a problem occurs.
>>> https://drive.google.com/file/d/0BwMFJItoO-fVUEFEN1NlelNWRjg/edit?usp=sharing
>>>
>>> Regards,
>>> Yusuke
>>> --
>>> ----------------------------------------
>>> METRO SYSTEMS CO., LTD
>>>
>>> Yusuke Iida
>>> Mail: yusk.iida at gmail.com
>>> ----------------------------------------
>>>
>>> _______________________________________________
>>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
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>>>
>>> Project Home: http://www.clusterlabs.org
>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>> Bugs: http://bugs.clusterlabs.org
>>
>>
>> _______________________________________________
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>>
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://bugs.clusterlabs.org
>>
>
>
>
> --
> ----------------------------------------
> METRO SYSTEMS CO., LTD
>
> Yusuke Iida
> Mail: yusk.iida at gmail.com
> ----------------------------------------
>
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org
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