[Gluster performance tuning]how to determine the value of performcance.cache-size

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Hi  ,

 

How do I  determine  the value of  performance.cache-size option  suitable for my glusterFS environment ? If I have large memory, can I set this value more larger ? 

 

Now I have 6 nodes which have 4 bricks.

 

Volume info is shown below:

Volume Name: gv0

Type: Distributed-Replicate

Volume ID: 8968985c-9272-4b03-8078-cf3ed91f9fc2

Status: Started

Number of Bricks: 12 x 2 = 24

Transport-type: tcp

Bricks:

Brick1: adf-db1:/export/disk1/brick

Brick2: adf-db2:/export/disk1/brick

Brick3: adf-db1:/export/disk2/brick

Brick4: adf-db2:/export/disk2/brick

Brick5: adf-db1:/export/disk3/brick

Brick6: adf-db2:/export/disk3/brick

Brick7: adf-db1:/export/disk4/brick

Brick8: adf-db2:/export/disk4/brick

Brick9: adf-rr1:/export/disk1/brick

Brick10: adf-rr2:/export/disk1/brick

Brick11: adf-rr1:/export/disk2/brick

Brick12: adf-rr2:/export/disk2/brick

Brick13: adf-rr1:/export/disk3/brick

Brick14: adf-rr2:/export/disk3/brick

Brick15: adf-rr1:/export/disk4/brick

Brick16: adf-rr2:/export/disk4/brick

Brick17: adf-fr1:/export/disk1/brick

Brick18: adf-fr2:/export/disk1/brick

Brick19: adf-fr1:/export/disk2/brick

Brick20: adf-fr2:/export/disk2/brick

Brick21: adf-fr1:/export/disk3/brick

Brick22: adf-fr2:/export/disk3/brick

Brick23: adf-fr1:/export/disk4/brick

Brick24: adf-fr2:/export/disk4/brick

Options Reconfigured:

network.ping-timeout: 20

performance.cache-size: 1024MB

 

 

 

 

BRs,

Jifeng.Li

 

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