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authorDebabrata Banerjee <[email protected]>2017-03-15 21:34:56 -0400
committerBrian Behlendorf <[email protected]>2017-05-02 15:50:49 -0400
commit03b60eee78b0bf1125878dbad0fcffd717def61f (patch)
tree1b97ca89db3be944d8f5511b291f88be0389290c /lib/libzfs/libzfs_status.c
parent4149bf498a3490a8ab506109e3893087f35fd23f (diff)
Allow scaling of arc in proportion to pagecache
When multiple filesystems are in use, memory pressure causes arc_cache to collapse to a minimum. Allow arc_cache to maintain proportional size even when hit rates are disproportionate. We do this only via evictable size from the kernel shrinker, thus it's only in effect under memory pressure. AKAMAI: zfs: CR 3695072 Reviewed-by: Tim Chase <[email protected]> Reviewed-by: Richard Yao <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Debabrata Banerjee <[email protected]> Closes #6035
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