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 <CAFx+i-YmJRRgew+09yjVS-73D2VkSme8ciU-0sfFS_SnNOjTyQ@mail.gmail.com>
From: Semyon Boikov <sboikov@gridgain.com>
Date: Fri, 29 Jul 2016 18:03:48 +0300
Message-ID: <CAFx+i-a8mOqOxcJJwjnUBdB0tH-rECdQeoxNGjJKQURhb3K27g@mail.gmail.com>
Subject: Re: Deadlock during Client Continuous Query deserialization
To: user@ignite.apache.org, dev@ignite.apache.org
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archived-at: Fri, 29 Jul 2016 15:03:54 -0000

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Here is JIRA issue: https://issues.apache.org/jira/browse/IGNITE-3606

On Fri, Jul 29, 2016 at 5:48 PM, Semyon Boikov <sboikov@gridgain.com> wrote:

> Hi,
>
> I reproduced this issue, thank you for test! After quick debugging It
> seems that this is some problem with Ignite backpressure mechanism in
> communication SPI, I'll create JIRA issue with more details.
>
> As a workaround could you try to disable backpressure:
> tcpCommunicationSpi.setMessageQueueLimit(0);
>
> Thanks!
>
> On Fri, Jul 29, 2016 at 1:15 PM, ross.anderson <ross.anderson@caplin.com>
> wrote:
>
>> Hi, has anyone had a chance to take a look at this?
>> I'd imagine it's a critical issue if a client can cause a cluster to
>> freeze
>> indefinitely based solely on a smallish number of queries running?
>> If there's anything else I can provide to assist please do let me know, as
>> this is a blocker for us using Ignite.
>> Thanks, Ross
>>
>>
>>
>> --
>> View this message in context:
>> http://apache-ignite-users.70518.x6.nabble.com/Deadlock-during-Client-Continuous-Query-deserialization-tp6565p6616.html
>> Sent from the Apache Ignite Users mailing list archive at Nabble.com.
>>
>
>

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<div dir=3D"ltr">Here is JIRA issue: <a href=3D"https://issues.apache.org/j=
ira/browse/IGNITE-3606">https://issues.apache.org/jira/browse/IGNITE-3606</=
a></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Fri, J=
ul 29, 2016 at 5:48 PM, Semyon Boikov <span dir=3D"ltr">&lt;<a href=3D"mail=
to:sboikov@gridgain.com" target=3D"_blank">sboikov@gridgain.com</a>&gt;</sp=
an> 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">Hi,<div><br><=
/div><div>I reproduced this issue, thank you for test! After quick debuggin=
g It seems that this is some problem with Ignite backpressure mechanism in =
communication SPI, I&#39;ll create JIRA issue with more details.=C2=A0</div=
><div><br></div><div>As a workaround could you try to disable backpressure:=
=C2=A0<span style=3D"color:rgb(0,0,0);font-family:&quot;Courier New&quot;">=
tcpCommunicationSpi.setMessageQueueLimit(</span><span style=3D"font-family:=
&quot;Courier New&quot;;color:rgb(0,0,255)">0</span><span style=3D"color:rg=
b(0,0,0);font-family:&quot;Courier New&quot;">);</span></div><div><br></div=
><div>Thanks!</div><div><div class=3D"h5"><div class=3D"gmail_extra"><br><d=
iv class=3D"gmail_quote">On Fri, Jul 29, 2016 at 1:15 PM, ross.anderson <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:ross.anderson@caplin.com" target=3D"_b=
lank">ross.anderson@caplin.com</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">Hi, has anyone had a chance to take a look at this?<br>
I&#39;d imagine it&#39;s a critical issue if a client can cause a cluster t=
o freeze<br>
indefinitely based solely on a smallish number of queries running?<br>
If there&#39;s anything else I can provide to assist please do let me know,=
 as<br>
this is a blocker for us using Ignite.<br>
Thanks, Ross<br>
<br>
<br>
<br>
--<br>
View this message in context: <a href=3D"http://apache-ignite-users.70518.x=
6.nabble.com/Deadlock-during-Client-Continuous-Query-deserialization-tp6565=
p6616.html" rel=3D"noreferrer" target=3D"_blank">http://apache-ignite-users=
.70518.x6.nabble.com/Deadlock-during-Client-Continuous-Query-deserializatio=
n-tp6565p6616.html</a><br>
<div><div>Sent from the Apache Ignite Users mailing list archive at Nabble.=
com.<br>
</div></div></blockquote></div><br></div></div></div></div>
</blockquote></div><br></div>

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