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06c94de584
This introduces two config parameters:
mds_cache_memory_limit: Sets the soft maximum of the cache to the given
byte count. (Like mds_cache_size, this doesn't actually limit the maximum
size of the cache. It just dictates the steady-state size.)
mds_cache_reservation: This replaces mds_health_cache_threshold everywhere
except the Beacon heartbeat sent to the mons. The idea here is to specify a
reservation of memory (5% by default) for operations and the MDS tries to
always maintain that reservation. So, the MDS will recall caps from clients
when it begins dipping into its reservation of memory.
mds_cache_size still limits the cache by Inode count but is now by-default 0
(i.e. unlimited). The new preferred way of specifying cache limits is by memory
size. The default is 1GB.
Fixes: http://tracker.ceph.com/issues/20594
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1464976
Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
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| .. | ||
| __init__.py | ||
| cephfs_test_case.py | ||
| filesystem.py | ||
| fuse_mount.py | ||
| kernel_mount.py | ||
| mount.py | ||
| test_auto_repair.py | ||
| test_backtrace.py | ||
| test_cap_flush.py | ||
| test_client_limits.py | ||
| test_client_recovery.py | ||
| test_config_commands.py | ||
| test_damage.py | ||
| test_data_scan.py | ||
| test_dump_tree.py | ||
| test_exports.py | ||
| test_failover.py | ||
| test_flush.py | ||
| test_forward_scrub.py | ||
| test_fragment.py | ||
| test_full.py | ||
| test_journal_migration.py | ||
| test_journal_repair.py | ||
| test_mantle.py | ||
| test_misc.py | ||
| test_pool_perm.py | ||
| test_quota.py | ||
| test_readahead.py | ||
| test_recovery_pool.py | ||
| test_scrub_checks.py | ||
| test_sessionmap.py | ||
| test_strays.py | ||
| test_volume_client.py | ||