RE: Leak Detected while bootstrap

[Anubhav Kale]

Thanks, Updated with logs.

From: Tyler Hobbs [mailto:ty...@datastax.com]
Sent: Wednesday, April 13, 2016 3:36 PM
To: user@cassandra.apache.org
Subject: Re: Leak Detected while bootstrap

This looks like it might be 
https://issues.apache.org/jira/browse/CASSANDRA-11374<https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fissues.apache.org%2fjira%2fbrowse%2fCASSANDRA-11374=01%7c01%7cAnubhav.Kale%40microsoft.com%7caa645ead9c0f4f3b99d008d363ec045b%7c72f988bf86f141af91ab2d7cd011db47%7c1=XaRYCSG8f3h399%2fkdyipds9iuBXWkcErPaXiD9cEfCo%3d>.
  Can you comment on that ticket and share your logs leading up to the error?

On Wed, Apr 13, 2016 at 3:37 PM, Anubhav Kale 
<anubhav.k...@microsoft.com<mailto:anubhav.k...@microsoft.com>> wrote:
Hello,

Since we upgraded to Cassandra 2.1.12, we are noticing that below happens when 
we are trying to bootstrap nodes, and the process just gets stuck. Restarting 
the process / VM does not help. Our nodes are around ~300 GB and run on local 
SSDs and we haven’t seen this problem on older versions (specifically 2.1.9).

Is this a known issue / any workarounds ?

ERROR [Reference-Reaper:1] 2016-04-13 20:33:53,394  Ref.java:179 - LEAK 
DETECTED: a reference 
(org.apache.cassandra.utils.concurrent.Ref$State@15e611a3<mailto:org.apache.cassandra.utils.concurrent.Ref$State@15e611a3>)
 to class 
org.apache.cassandra.utils.concurrent.WrappedSharedCloseable$1@203187780:[[OffHeapBitSet<mailto:org.apache.cassandra.utils.concurrent.WrappedSharedCloseable$1@203187780:[[OffHeapBitSet>]]
 was not released before the reference was garbage collected

Thanks !



--
Tyler Hobbs
DataStax<https://na01.safelinks.protection.outlook.com/?url=http%3a%2f%2fdatastax.com%2f=01%7c01%7cAnubhav.Kale%40microsoft.com%7caa645ead9c0f4f3b99d008d363ec045b%7c72f988bf86f141af91ab2d7cd011db47%7c1=pFIcwR7HKB53YBMczg3USP%2b%2bw5FwJxgKZrFmARctjRo%3d>

Re: Leak Detected while bootstrap

[Tyler Hobbs]

This looks like it might be
https://issues.apache.org/jira/browse/CASSANDRA-11374.  Can you comment on
that ticket and share your logs leading up to the error?

On Wed, Apr 13, 2016 at 3:37 PM, Anubhav Kale 
wrote:

> Hello,
>
>
>
> Since we upgraded to Cassandra 2.1.12, we are noticing that * below*
> happens when we are trying to bootstrap nodes, and the process just gets
> stuck. Restarting the process / VM does not help. Our nodes are around ~300
> GB and run on local SSDs and we haven’t seen this problem on older versions
> (specifically 2.1.9).
>
>
>
> Is this a known issue / any workarounds ?
>
>
>
> *ERROR [Reference-Reaper:1] 2016-04-13 20:33:53,394  Ref.java:179 - LEAK
> DETECTED: a reference
> (org.apache.cassandra.utils.concurrent.Ref$State@15e611a3) to class
> org.apache.cassandra.utils.concurrent.WrappedSharedCloseable$1@203187780:[[OffHeapBitSet]]
> was not released before the reference was garbage collected*
>
>
>
> Thanks !
>



-- 
Tyler Hobbs
DataStax 

Leak Detected while bootstrap

[Anubhav Kale]

Hello,

Since we upgraded to Cassandra 2.1.12, we are noticing that below happens when 
we are trying to bootstrap nodes, and the process just gets stuck. Restarting 
the process / VM does not help. Our nodes are around ~300 GB and run on local 
SSDs and we haven't seen this problem on older versions (specifically 2.1.9).

Is this a known issue / any workarounds ?

ERROR [Reference-Reaper:1] 2016-04-13 20:33:53,394  Ref.java:179 - LEAK 
DETECTED: a reference 
(org.apache.cassandra.utils.concurrent.Ref$State@15e611a3) to class 
org.apache.cassandra.utils.concurrent.WrappedSharedCloseable$1@203187780:[[OffHeapBitSet]]
 was not released before the reference was garbage collected

Thanks !