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Date: Thu, 18 Jun 2015 07:11:10 +0200
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 <CA+1dbhPrqw_5d+s547RLv8dbmbRSo+FGnoqGQXRXBy_FUwNP9g@mail.gmail.com>
Subject: Re: Garbage collector launched on all nodes at once
From: Marcus Eriksson <krummas@gmail.com>
To: user@cassandra.apache.org
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It is probably this: https://issues.apache.org/jira/browse/CASSANDRA-9549

On Wed, Jun 17, 2015 at 7:37 PM, Micha=C5=82 =C5=81owicki <mlowicki@gmail.c=
om> wrote:

> Looks that memtable heap size is growing on some nodes rapidly (
> https://www.dropbox.com/s/3brloiy3fqang1r/Screenshot%202015-06-17%2019.21=
.49.png?dl=3D0).
> Drops are the places when nodes have been restarted.
>
> On Wed, Jun 17, 2015 at 6:53 PM, Micha=C5=82 =C5=81owicki <mlowicki@gmail=
.com>
> wrote:
>
>> Hi,
>>
>> Two datacenters with 6 nodes (2.1.6) each. In each DC garbage collection
>> is launched at the same time on each node (See [1] for total GC duration
>> per 5 seconds). RF is set to 3. Any ideas?
>>
>> [1]
>> https://www.dropbox.com/s/bsbyew1jxbe3dgo/Screenshot%202015-06-17%2018.4=
9.48.png?dl=3D0
>>
>> --
>> BR,
>> Micha=C5=82 =C5=81owicki
>>
>
>
>
> --
> BR,
> Micha=C5=82 =C5=81owicki
>

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<div dir=3D"ltr">It is probably this:=C2=A0<a href=3D"https://issues.apache=
.org/jira/browse/CASSANDRA-9549">https://issues.apache.org/jira/browse/CASS=
ANDRA-9549</a></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quot=
e">On Wed, Jun 17, 2015 at 7:37 PM, Micha=C5=82 =C5=81owicki <span dir=3D"l=
tr">&lt;<a href=3D"mailto:mlowicki@gmail.com" target=3D"_blank">mlowicki@gm=
ail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D=
"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D=
"ltr">Looks that memtable heap size is growing on some nodes rapidly (<a hr=
ef=3D"https://www.dropbox.com/s/3brloiy3fqang1r/Screenshot%202015-06-17%201=
9.21.49.png?dl=3D0" target=3D"_blank">https://www.dropbox.com/s/3brloiy3fqa=
ng1r/Screenshot%202015-06-17%2019.21.49.png?dl=3D0</a>). Drops are the plac=
es when nodes have been restarted.</div><div class=3D"gmail_extra"><div><di=
v class=3D"h5"><br><div class=3D"gmail_quote">On Wed, Jun 17, 2015 at 6:53 =
PM, Micha=C5=82 =C5=81owicki <span dir=3D"ltr">&lt;<a href=3D"mailto:mlowic=
ki@gmail.com" target=3D"_blank">mlowicki@gmail.com</a>&gt;</span> wrote:<br=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex"><div dir=3D"ltr">Hi,<div><br></div><div>Two=
 datacenters with 6 nodes (2.1.6) each. In each DC garbage collection is la=
unched at the same time on each node (See [1] for total GC duration per 5 s=
econds). RF is set to 3. Any ideas?</div><div><br></div><div>[1]=C2=A0<a hr=
ef=3D"https://www.dropbox.com/s/bsbyew1jxbe3dgo/Screenshot%202015-06-17%201=
8.49.48.png?dl=3D0" target=3D"_blank">https://www.dropbox.com/s/bsbyew1jxbe=
3dgo/Screenshot%202015-06-17%2018.49.48.png?dl=3D0</a><span><font color=3D"=
#888888"><br clear=3D"all"><div><br></div>-- <br><div>BR,<br>Micha=C5=82 =
=C5=81owicki<br></div>
</font></span></div></div>
</blockquote></div><br><br clear=3D"all"><div><br></div></div></div><span c=
lass=3D"HOEnZb"><font color=3D"#888888">-- <br><div>BR,<br>Micha=C5=82 =C5=
=81owicki<br></div>
</font></span></div>
</blockquote></div><br></div>

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