nfs_inode_cacheusage is high compared to older kernels.
flushprocesses consuming 100% CPU, or soft lockups with pdflush or flush process running in
nfs_inode_cachegrows uncontrolled and memory pressure does not release the memory.
- Under certain type of load the NFS performance from RHEL 6.1 client becomes very slow. The case scenario: after writing a large number of small sized files in a sequence, the write speed for large sized files becomes very slow, around 5 MB/sec or even less. When writing large sized files is not preceded by a sequence of writing large number of small sized files the speed is normal - around 200 MB/sec.
nfs_inode_cachegetting very big and eating the total amount of RAM
- Red Hat Enteprise Linux 5.7 (2.6.18-274)
- Red Hat Enteprise Linux 6.1 (2.6.32-131.0.15)
- NFS client
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