In configuration system https://www.elastic.co/guide/en/elasticsearch/reference/master/file-descriptors.html there is a point about the number of files that can be opened by Elasticsearch.
But there is no item about inodes number, is there a requirement, advice about this number ?
I've never encountered any advice about the number of inodes in the documentation, but with modern filesystems I don't think that You'll have to worry about them. Example from one of our warm nodes (RHEL7 with XFS filesystem):
[root@xxxdb07 ~]# df -i /var/lib/elasticsearch/
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/mapper/VolGroup01-LogVol_esdata 2013265920 9580 2013256340 1% /var/lib/elasticsearch
[root@xxxdb07 ~]# df -h /var/lib/elasticsearch/
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup01-LogVol_esdata 3.8T 2.4T 1.4T 64% /var/lib/elasticsearch
Thanks for your answer and i let the devalue.
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