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From Abhishek Kumar Maheshwari <Abhishek.Maheshw...@timesinternet.in>
Subject RE: [Cassandra 3.0.9] Cannot allocate memory
Date Wed, 22 Mar 2017 22:18:30 GMT
JVM config is as below:

-Xms16G
-Xmx16G
-Xmn3000M

What I need to check in dmesg?

From: Thakrar, Jayesh [mailto:jthakrar@conversantmedia.com]
Sent: 23 March 2017 03:39
To: Abhishek Kumar Maheshwari <Abhishek.Maheshwari@timesinternet.in>; user@cassandra.apache.org
Subject: RE: [Cassandra 3.0.9] Cannot allocate memory


And what is the configured max heap?
Sometimes you may also be able to see some useful messages in "dmesg" output.

Jayesh

________________________________
From: Abhishek Kumar Maheshwari <Abhishek.Maheshwari@timesinternet.in<mailto:Abhishek.Maheshwari@timesinternet.in>>
Sent: Wednesday, March 22, 2017 5:05:14 PM
To: Thakrar, Jayesh; user@cassandra.apache.org<mailto:user@cassandra.apache.org>
Subject: RE: [Cassandra 3.0.9] Cannot allocate memory

No only Cassandra is running on these servers.

From: Thakrar, Jayesh [mailto:jthakrar@conversantmedia.com]
Sent: 22 March 2017 22:27
To: Abhishek Kumar Maheshwari <Abhishek.Maheshwari@timesinternet.in<mailto:Abhishek.Maheshwari@timesinternet.in>>;
user@cassandra.apache.org<mailto:user@cassandra.apache.org>
Subject: Re: [Cassandra 3.0.9] Cannot allocate memory

Is/are the Cassandra server(s) shared?
E.g. do they run mesos + spark?

From: Abhishek Kumar Maheshwari <Abhishek.Maheshwari@timesinternet.in<mailto:Abhishek.Maheshwari@timesinternet.in>>
Date: Wednesday, March 22, 2017 at 12:45 AM
To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" <user@cassandra.apache.org<mailto:user@cassandra.apache.org>>
Subject: [Cassandra 3.0.9] Cannot allocate memory

Hi all,

I am using Cassandra 3.0.9. while I am adding new server after some time I am getting below
exception. JVM option is attaches.
Hardware info:
Ram 64 GB.
Core: 40


Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00007fe9c44ee000, 12288,
0) failed; error='Cannot allocate memory' (errno=12)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 12288 bytes for committing reserved memory.
Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00007f5c056ab000, 12288,
0) failed; error='Cannot allocate memory' (errno=12)
[thread 140033204860672 also had an error]
Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00007f5c0566a000, 12288,
0) failed; error='Cannot allocate memory' (errno=12)
[thread 140033204594432 also had an error]Java HotSpot(TM) 64-Bit Server VM warning:
INFO: os::commit_memory(0x00007fe9c420c000, 12288, 0) failed; error='Cannot allocate memory'
(errno=12)
Java HotSpot(TM) 64-Bit Server VM warning: [thread 140641994852096 also had an error]INFO:
os::commit_memory(0x00007f5c055a7000, 12288, 0) failed; error='Cannot allocate memory' (errno=12)

Please let me know what I miss?

Thanks & Regards,
Abhishek Kumar Maheshwari
+91- 9999805591 (Mobile)
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