Re: gluster fuse comsumes huge memory

[Darrell Budic <budic@xxxxxxxxxxxxxxxx>]

Probably this https://bugzilla.redhat.com/show_bug.cgi?id=1593826 , known issue in 3.12.9 and later versions.

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From: huting3 <huting3@xxxxxxxxxxxxxxxx>
Subject: gluster fuse comsumes huge memory
Date: August 12, 2018 at 9:51:31 PM CDT
To: gluster-users@xxxxxxxxxxx

Hi expert:

I meet a problem when I use glusterfs. The problem is that the fuse client consumes huge memory when write a   lot of files(>million) to the gluster, at last leading to killed by OS oom. The memory the fuse process consumes can up to 100G! I wonder if there are memory leaks in the gluster fuse process, or some other causes. Thanks!

This is the statedump file`s link:

https://drive.google.com/file/d/1ZlttTzt4E56Qtk9j7b4I9GkZC2W3mJgp/view?usp=sharing

My gluster version is 3.13.2, the gluster volume info is listed as following:

Volume Name: gv0

Type: Distributed-Replicate

Volume ID: 4a6f96f8-b3fb-4550-bd19-e1a5dffad4d0

Status: Started

Snapshot Count: 0

Number of Bricks: 19 x 3 = 57

Transport-type: tcp

Options Reconfigured:

performance.cache-size: 10GB

performance.parallel-readdir: on

performance.readdir-ahead: on

network.inode-lru-limit: 200000

performance.md-cache-timeout: 600

performance.cache-invalidation: on

performance.stat-prefetch: on

features.cache-invalidation-timeout: 600

features.cache-invalidation: on

features.inode-quota: off

features.quota: off

cluster.quorum-reads: on

cluster.quorum-count: 2

cluster.quorum-type: fixed

transport.address-family: inet

nfs.disable: on

performance.client-io-threads: off

cluster.server-quorum-ratio: 51%

	huting3
huting3@xxxxxxxxxxxxxxxx

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