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From: Drake민영근lt;drake@nexr.comgt;
To: userlt;user@hadoop.apache.orggt;; 조주일lt;tjst...@kgrid.co.krgt;;
Cc:
Sent: 2015-04-24 (금) 17:41:59
Subject: Re: rolling upgrade(2.4.1 to 2.6.0) problem
Hi, I think limited by max user processes. see this:
https://plumbr.eu/outofmemoryerror/unable
:*
*Sent:* 2015-04-24 (금) 17:41:59
*Subject:* Re: rolling upgrade(2.4.1 to 2.6.0) problem
Hi,
I think limited by max user processes. see this:
https://plumbr.eu/outofmemoryerror/unable-to-create-new-native-thread In
your case, user cannot create more than 10240 processes. In our env
will do patch?
Can I patch without service dowtime.
-Original Message-
*From:* Drake민영근drake@nexr.com
*To:* useruser@hadoop.apache.org; 조주일tjst...@kgrid.co.kr;
*Cc:*
*Sent:* 2015-04-24 (금) 17:41:59
*Subject:* Re: rolling upgrade(2.4.1 to 2.6.0) problem
Hi,
I think limited
-playart.com
*To:* user@hadoop.apache.org;
*Cc:*
*Sent:* 2015-04-22 (수) 15:32:35
*Subject:* RE: rolling upgrade(2.4.1 to 2.6.0) problem
Hi,
The first warning shows out-of-memory error of JVM.
Did you give enough max heap memory for DataNode daemons?
DN daemons, by default, uses max heap size
...@kgrid.co.krgt;;
Cc:
Sent: 2015-04-24 (금) 16:58:46
Subject: Re: rolling upgrade(2.4.1 to 2.6.0) problem
HI, How about the ulimit setting of the user for hdfs datanode ?Drake 민영근
Ph.Dkt NexR
On Wed, Apr 22, 2015 at 6:25 PM, 조주일 lt;tjst...@kgrid.co.krgt; wrote:
I allocated 5G.
I think OOM
-Cheol Chohancheol@nhn-playart.com
*To:* user@hadoop.apache.org;
*Cc:*
*Sent:* 2015-04-22 (수) 15:32:35
*Subject:* RE: rolling upgrade(2.4.1 to 2.6.0) problem
Hi,
The first warning shows out-of-memory error of JVM.
Did you give enough max heap memory for DataNode daemons?
DN daemons
;
To: lt;user@hadoop.apache.orggt;;
Cc:
Sent: 2015-04-22 (수) 14:54:16
Subject: rolling upgrade(2.4.1 to 2.6.0) problem
My Cluster is..
hadoop 2.4.1
Capacity : 1.24PB
Used 1.1PB
16 Datanodes
Each node is a capacity of 65TB, 96TB, 80TB, Etc..
I had to proceed with the rolling upgrade 2.4.1
I allocated 5G.
I think OOM is not the cause of essentially
-Original Message-
From: Han-Cheol Cholt;hancheol@nhn-playart.comgt;
To: lt;user@hadoop.apache.orggt;;
Cc:
Sent: 2015-04-22 (수) 15:32:35
Subject: RE: rolling upgrade(2.4.1 to 2.6.0) problem
Hi,
The first warning
My Cluster is..
hadoop 2.4.1
Capacity : 1.24PB
Used 1.1PB
16 Datanodes
Each node is a capacity of 65TB, 96TB, 80TB, Etc..
I had to proceed with the rolling upgrade 2.4.1 to 2.6.0.
A data node upgraded takes about 40 minutes.
Occurs during the upgrade is in progress under-block.
10 nodes
