Note that you can make these messages stop with
debug mon = 0
in your ceph.conf. It looks like you are right, though: that
is_readable() dout line is spamming things. We can fix that in the next
release.
https://github.com/ceph/ceph/pull/2421
Thanks!
sage
On Mon, 8 Sep 2014, Aanchal Agrawal wrote:
> Any help on this ...
>
> -----Original Message-----
> From: Aanchal Agrawal
> Sent: Friday, September 05, 2014 5:56 PM
> To: [email protected]
> Subject: Mon gets flooded with log messages for default log level
>
> Hi,
>
> With reference to commit f7d1902ccf9d5bb97cda626d718c3bb02f991a6d, 'Paxos'
> default level has been increased to 1.
> This cause mon to get flooded with the following message, thus causes OS
> Drive(160GB) to get filled in 4-5 hours.
>
> Log Snippet ::
> ==================
> 2014-09-01 16:35:11.527734 7f7efe706700 1
> mon.rack6-ramp-1@0(leader).paxos(paxos active c 1..712) is_readable
> now=2014-09-01 16:35:11.527735 lease_expire=2014-09-01 16:35:13.637940 has v0
> lc 712
> 2014-09-01 16:35:11.527773 7f7efe706700 1
> mon.rack6-ramp-1@0(leader).paxos(paxos active c 1..712) is_readable
> now=2014-09-01 16:35:11.527774 lease_expire=2014-09-01 16:35:13.637940 has v0
> lc 712
> 2014-09-01 16:35:11.527807 7f7efe706700 1
> mon.rack6-ramp-1@0(leader).paxos(paxos active c 1..712) is_readable
> now=2014-09-01 16:35:11.527807 lease_expire=2014-09-01 16:35:13.637940 has v0
> lc 712
> 2014-09-01 16:35:11.527840 7f7efe706700 1
> mon.rack6-ramp-1@0(leader).paxos(paxos active c 1..712) is_readable
> now=2014-09-01 16:35:11.527840 lease_expire=2014-09-01 16:35:13.637940 has v0
> lc 712
> 2014-09-01 16:35:11.527874 7f7efe706700 1
> mon.rack6-ramp-1@0(leader).paxos(paxos active c 1..712) is_readable
> now=2014-09-01 16:35:11.527875 lease_expire=2014-09-01 16:35:13.637940 has v0
> lc 712 ==================
>
> ==================
> src/mon/Paxos.cc
> dout(1) << "is_readable now=" << ceph_clock_now(g_ceph_context) << "
> lease_expire=" << lease_expire
> << " has v" << v << " lc " << last_committed << dendl;
> ==================
>
> Incrementing 'log level' of this message to 2 or something else will solve
> this problem of mon space getting full quickly.
>
> Moreover is this message that useful to get printed with default debug level
> '1'?
> Let me know if I am missing something here.
>
> Thanks,
> Aanchal
>
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