You are viewing a plain text version of this content. The canonical link for it is here.
Posted to user@cassandra.apache.org by Murthy Chelankuri <km...@gmail.com> on 2013/11/14 10:53:34 UTC
Cassand is holding too many deleted file descriptors
I See lots of these deleted file descriptors cassandra is holding in my
case out of 90K file descriptors 80.5K is having these descriptors
Because of this cassandra is not performing well.
Can some one please tell what i am doing wrong.
lr-x------ 1 root root 64 Nov 14 08:25 10875 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10876 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10877 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10878 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10879 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:11 1088 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10880 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10881 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10882 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10883 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10884 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10885 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10886 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db
(deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10887 ->
/var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db
(deleted)
Re: Cassand is holding too many deleted file descriptors
Posted by Marcus Eriksson <kr...@gmail.com>.
yeah this is known, and we are looking for a fix
https://issues.apache.org/jira/browse/CASSANDRA-6275
if you have a simple way of reproducing, please add a comment
On Thu, Nov 14, 2013 at 10:53 AM, Murthy Chelankuri <km...@gmail.com>wrote:
> I See lots of these deleted file descriptors cassandra is holding in my
> case out of 90K file descriptors 80.5K is having these descriptors
>
> Because of this cassandra is not performing well.
>
> Can some one please tell what i am doing wrong.
>
>
> lr-x------ 1 root root 64 Nov 14 08:25 10875 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10876 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10877 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10878 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10879 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:11 1088 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10880 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10881 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10882 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10883 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10884 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10885 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10886 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db
> (deleted)
> lr-x------ 1 root root 64 Nov 14 08:25 10887 ->
> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db
> (deleted)
>
>
>
>
>