Tuesday, 2022-04-26

__ministryHi all, I had problem about senlin that is call many times to keystone and nova api make server to slow and down. Has anyone encountered this error?03:50
eandersson__ministry what type of profile and policy are you using? how many clusters? etc06:27
__ministryeandersson: I used os.nova.server. I discovered senlin-health-manager is a process that overloads the system every time it executes health check nova instances.07:17
eanderssonWhat interval are you using?07:20
__ministrymy interval is 30s07:30
__ministryi have 104 clusters with 190 nodes08:28
__ministryI had found root cause of this problem. that is when health-manager loading healthcheck, it load more cluster than really. I do grep log had 2784 clusters was loaded health check when current i had 104 clusters08:48
eanderssonInteresting17:47
eanderssonIs this a Senlin bug __ministry?17:47
eanderssonI also wonder if we could make that check more efficient, feels like an O(n) problem17:48
eanderssonIs the healthcheck loading clusters that dont exist, or is it loading the same same cluster over and over again?17:59

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