Hi, zhangshuai.ustc ,
is this problem solved? Can we help more on the subject?
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17 3:35 PM
To: user@ignite.apache.org
Subject: Re: OOM when using Ignite as HDFS Cache
Are you getting "GC Overhead limit exceeded" OOME?
I think you could always move IGFS data block cache off heap if it is not the
case already.
I am wondering why you've set block size to 4 GB for Ig
Friday, April 14, 2017 2:36 PM
To: user@ignite.apache.org
Subject: Re: OOM when using Ignite as HDFS Cache
I would not expect any of the things that you mention. A cache is not
supposed to slow down writing. This does not make sense from my point
of view. Splitting a block into several smalle
Hi,
The correct way here would be to understand where actually problem occurs
and after that make decisions on how to solve it.
> I also notice that Ignite write through file block size is set to 64MB. I
> mean I write a file to Ignite with block size to 4GB, but I finally found
> it on HDFS
able. Cache eviction would not solve it because there do have
more data than cache capacity.
-Original Message-
From: Jörn Franke [mailto:jornfra...@gmail.com]
Sent: Friday, April 14, 2017 2:36 PM
To: user@ignite.apache.org
Subject: Re: OOM when using Ignite as HDFS Cache
I would not ex
n I write a file to Ignite with block size to 4GB, but I finally found it
> on HDFS with block size 64MB. Is there any configuration for it?
>
> -Original Message-
> From: dkarachentsev [mailto:dkarachent...@gridgain.com]
> Sent: Thursday, April 13, 2017 11:21 PM
> To: user@ignit
Re: OOM when using Ignite as HDFS Cache
Hi Shuai,
Could you please take heap dump on OOME and find what objects consume memory?
There would be a lot of byte[] objects, please find the nearest GC root for
them.
Thanks!
-Dmitry.
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Hi Shuai,
Could you please take heap dump on OOME and find what objects consume
memory? There would be a lot of byte[] objects, please find the nearest GC
root for them.
Thanks!
-Dmitry.
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From: 张帅 [mailto:satan.stud...@gmail.com] On Behalf Of zhangshuai.u...@gmail.com
Sent: Wednesday, April 12, 2017 5:29 PM
To: user@ignite.apache.org
Subject: OOM when using Ignite as HDFS Cache
Hi there,
I’d like to use Ignite as HDFS Cache in my cluster but failed with OOM error.