[
https://issues.apache.org/jira/browse/CASSANDRA-11594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
n0rad updated CASSANDRA-11594:
------------------------------
Description:
I have a 6 nodes cluster in prod in 3 racks.
each node :
- 4Gb commitlogs on 343 files
- 275Gb data on 504 files
On saturday, 1 node in each rack crash with with too many open files (seems to
be the similar node in each rack).
lsof -n -p $PID give me 66899 out of 65826 max
it contains 64527 open directories (2371 uniq)
a part of the list :
```
...
java 19076 root 2140r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2141r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2142r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2143r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2144r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2145r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2146r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2147r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2148r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2149r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2150r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2151r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2152r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2153r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2154r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2155r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
...
```
was:
I have a 6 nodes cluster in prod in 3 racks.
each node :
- 4Gb commitlogs on 343 files
- 275Gb data on 504 files
On saturday, 1 node in each rack crash with with too many open files.
lsof -n -p $PID give me 66899 out of 65826 max
it contains 64527 open directories (2371 uniq)
a part of the list :
```
...
java 19076 root 2140r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2141r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2142r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2143r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2144r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2145r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2146r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2147r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2148r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2149r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2150r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2151r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2152r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2153r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2154r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
java 19076 root 2155r DIR 8,17 143360 4386718705
/opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
...
```
> Too many open files on directories
> ----------------------------------
>
> Key: CASSANDRA-11594
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11594
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: n0rad
> Priority: Critical
>
> I have a 6 nodes cluster in prod in 3 racks.
> each node :
> - 4Gb commitlogs on 343 files
> - 275Gb data on 504 files
> On saturday, 1 node in each rack crash with with too many open files (seems
> to be the similar node in each rack).
> lsof -n -p $PID give me 66899 out of 65826 max
> it contains 64527 open directories (2371 uniq)
> a part of the list :
> ```
> ...
> java 19076 root 2140r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2141r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2142r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2143r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2144r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2145r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2146r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2147r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2148r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2149r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2150r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2151r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2152r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2153r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2154r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> java 19076 root 2155r DIR 8,17 143360 4386718705
> /opt/stage2/pod-cassandra-aci-cassandra/rootfs/data/keyspaces/email_logs_query/emails-2d4abd00e9ea11e591199d740e07bd95
> ...
> ```
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