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(0x7fe9c44ee000, 12288, 0) failed; error='Cannot alloc
Is/are the Cassandra server(s) shared?
E.g. do they run mesos + spark?
From: Abhishek Kumar Maheshwari
Date: Wednesday, March 22, 2017 at 12:45 AM
To: "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
?
>
>
>
> *From: *Abhishek Kumar Maheshwari
> *Date: *Wednesday, March 22, 2017 at 12:45 AM
> *To: *"user@cassandra.apache.org"
> *Subject: *[Cassandra 3.0.9] Cannot allocate memory
>
>
>
> Hi all,
>
>
>
> I am using Cassandra 3.0.9. while I am
: Abhishek Kumar Maheshwari
Subject: Re: [Cassandra 3.0.9] Cannot allocate memory
Just a shot in the dark, but what is your setting of vm.max_map_count in
/etc/sysctl.conf ?
It is recommended to set it to:
vm.max_map_count = 1048575
Source:
https://docs.datastax.com/en/landing_page/doc
No only Cassandra is running on these servers.
From: Thakrar, Jayesh [mailto:jthak...@conversantmedia.com]
Sent: 22 March 2017 22:27
To: Abhishek Kumar Maheshwari ;
user@cassandra.apache.org
Subject: Re: [Cassandra 3.0.9] Cannot allocate memory
Is/are the Cassandra server(s) shared?
E.g. do
ubject: RE: [Cassandra 3.0.9] Cannot allocate memory
No only Cassandra is running on these servers.
From: Thakrar, Jayesh [mailto:jthak...@conversantmedia.com]
Sent: 22 March 2017 22:27
To: Abhishek Kumar Maheshwari ;
user@cassandra.apache.org
Subject: Re: [Cassandra 3.0.9] Cannot allocate memory
java:216)
~[apache-cassandra-3.0.9.jar:3.0.9]
From: Abhishek Kumar Maheshwari
Sent: 22 March 2017 11:15
To: 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
JVM config is as below:
-Xms16G
-Xmx16G
-Xmn3000M
What I need to check in dmesg?
From: Thakrar, Jayesh [mailto:jthak...@conversantmedia.com]
Sent: 23 March 2017 03:39
To: Abhishek Kumar Maheshwari ;
user@cassandra.apache.org
Subject: RE: [Cassandra 3.0.9] Cannot allocate memory
And what is
On Thu, Mar 23, 2017 at 11:18 AM, Abhishek Kumar Maheshwari <
abhishek.maheshw...@timesinternet.in> wrote:
> JVM config is as below:
>
>
>
> -Xms16G
>
> -Xmx16G
>
> -Xmn3000M
>
>
>
I don't think it is the cause, but you need to remove Xmn when using G1GC.
To: "user@cassandra.apache.org"
Subject: RE: [Cassandra 3.0.9] Cannot allocate memory
JVM config is as below:
-Xms16G
-Xmx16G
-Xmn3000M
What I need to check in dmesg?
From: Thakrar, Jayesh [mailto:jthak...@conversantmedia.com]
Sent: 23 March 2017 03:39
To: Abhishek Kumar Maheshwari ;
user@
thak...@conversantmedia.com]
Sent: Thursday, March 23, 2017 8:36 PM
To: Abhishek Kumar Maheshwari ;
user@cassandra.apache.org
Subject: Re: [Cassandra 3.0.9] Cannot allocate memory
Dmesg will often print a message saying that it had to kill a process if the
server was short of memory, so you will have to dump
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