Imbalance in Flashcache Usage Across Cells During Data Load Operations (Doc ID 2219228.1)

Last updated on JANUARY 30, 2017

Applies to:

Oracle Exadata Storage Server Software - Version 12.1.2.1.0 to 12.1.2.3.3 [Release 12.1]
Linux x86-64

Symptoms

An imbalance in the cell flashcache usage is observed when running write-intensive workload. This is especially noticeable when there are multiple databases running in the environment, and the workload pattern is different across the databases.

Symptoms on the affected cell are:

 

Note: Cell flashcache metrics can be collected using the following command:

# cellcli -e "list metrichistory where name like 'FC.*' and collectiontime > '2016-11-06T018:00:00-05:00' and collectiontime < '2016-11-07T03:00:00-05:00'" > metric_fc_`hostname`_1107.log

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms