celeborn/docs
zky.zhoukeyong a7bbbd05c4 [CELEBORN-797] Decrease writeTime metric sampling frequency to improve perf
### What changes were proposed in this pull request?
1. Decrease writeTime metric sampling frequency to improve perf
2. Set default value of ```celeborn.<module>.push.timeoutCheck.threads``` and ```celeborn.<module>.fetch.timeoutCheck.threads``` to 4

### Why are the changes needed?
Following are test cases
case 1: ```spark.sparkContext.parallelize(1 to 8000, 8000).flatMap( _ => (1 to 15000000).iterator.map(num => num)).repartition(8000).count``` // shuffle 1.1T data
case 2: ```spark.sparkContext.parallelize(1 to 8000, 8000).flatMap( _ => (1 to 30000000).iterator.map(num => num)).repartition(8000).count``` // shuffle 2.2T data
Following are e2e time of shuffle write stage
||Sort pusher before|Sort pusher after|Hash pusher before|Hash pusher after|
|----|----|----|----|-----|
|case1|4.4min|4.1min|4.4min|3.9min|
|case2|9.1min|8.4min|9.7min|8.5min|

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
Passes GA and manual test.

Closes #1718 from waitinfuture/797.

Authored-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
Signed-off-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
2023-07-14 20:51:50 +08:00
..
assets/logo [CELEBORN-499] Move version specific resource to main repo (#1429) 2023-04-14 16:20:51 +08:00
configuration [CELEBORN-797] Decrease writeTime metric sampling frequency to improve perf 2023-07-14 20:51:50 +08:00
celeborn_ratis_shell.md [CELEBORN-638] Migrate configurations celeborn.ha.master.* to celeborn.master.ha.* 2023-06-16 18:18:26 +08:00
cluster_planning.md [CELEBORN-570] Update docs about monitor and deployment. (#1478) 2023-05-08 17:07:42 +08:00
deploy_on_k8s.md [CELEBORN-713] Local network binding support IP or FQDN 2023-06-27 09:42:11 +08:00
deploy.md [CELEBORN-751] Rename remain rss related class name and filenames etc 2023-07-04 10:20:08 +08:00
migration.md [CELEBORN-751] Rename remain rss related class name and filenames etc 2023-07-04 10:20:08 +08:00
monitoring.md [CELEBORN-726] Update data replication terminology from master/slave to primary/replica for configurations and metrics 2023-06-29 09:47:02 +08:00
README.md [CELEBORN-499] Move version specific resource to main repo (#1429) 2023-04-14 16:20:51 +08:00
upgrade.md [CELEBORN-680][DOC] Refresh celeborn configurations in doc 2023-06-15 13:59:38 +08:00

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