[gpfsug-discuss] mmapplypolicy slow
Peeples, Heath
heathp at HPC.MsState.Edu
Tue Aug 3 19:11:16 BST 2021
I am trying to use mmapplypolicy to determine what files are modified in a particular snapshop. Below I have the policy and mmapplypolicy parameters I am using. It is taking 3-4 hours to list these files. There are roughly 176M files. This is running on a DDN Gridscaler 12K system. Seems to me after seeing others posts we should be able to run this much quicker. Any help would be appreciated.
mmapplypolicy fs2 -S 20210104 -I defer -A 175 -a 72 -B 10000 -N all -g /fs1/tmp/heath -P /fs2/tmp/snaps/heath.pol -f /fs2/tmp/snaps/heath/output/20210104
RULE 'find_mods' list 'mods'
DIRECTORIES_PLUS
WEIGHT(0)
SHOW( VARCHAR(USER_ID) || ' ' || varchar(FILE_SIZE) || ' ' || varchar(MODIFICATION_SNAPID) )
Heath
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