# Bin logs too large - XtradbCluster

**URL:** <https://forums.percona.com/t/bin-logs-too-large-xtradbcluster/6861>\
**Category:** Percona XtraDB Cluster 5.x\
**Created:** [February 22, 2019, 1:50pm UTC](https://forums.percona.com/t/bin-logs-too-large-xtradbcluster/6861 "2019-02-22T13:50:56Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![augusto.ferronato](https://avatars.discourse-cdn.com/v4/letter/a/f19dbf/32.png) [@augusto.ferronato](https://forums.percona.com/u/augusto.ferronato)\
**Post date:** [February 22, 2019, 1:50pm UTC](https://forums.percona.com/t/bin-logs-too-large-xtradbcluster/6861/1 "2019-02-22T13:50:56Z")

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Hello, i have a cluster with 3 nodes, the bin-log files is too big in the 3 nodes, and i don’t use for a backup recovery scenario, can i just set:

> [@](#):
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> SET GLOBAL expire\_logs\_days = 3;

For the mysql purge the logs? For cluster, this is my wsrep.cnf file

> [@](#):
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> wsrep\_sst\_method=xtrabackup-v2

And for the existing bin-logs, i can run the command below?

> [@](#):
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> PURGE BINARY LOGS TO `mysql-bin.000223`;

Thanks so much. Regards,

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**Author:** ![vadimtk](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/vadimtk/32/9528_2.png) [@vadimtk](https://forums.percona.com/u/vadimtk)\
**Post date:** [February 22, 2019, 3:11pm UTC](https://forums.percona.com/t/bin-logs-too-large-xtradbcluster/6861/2 "2019-02-22T15:11:09Z")

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You do not need binary logs for Percona XtraDB Cluster, you can purge them all.  
Binary logs are only needed for backups and point-in-time recovery.

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<div class="post-metadata">

**Author:** ![augusto.ferronato](https://avatars.discourse-cdn.com/v4/letter/a/f19dbf/32.png) [@augusto.ferronato](https://forums.percona.com/u/augusto.ferronato)\
**Post date:** [February 25, 2019, 2:01pm UTC](https://forums.percona.com/t/bin-logs-too-large-xtradbcluster/6861/3 "2019-02-25T14:01:19Z")

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Hello,

Thanks so much.