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fix: handle concurrent lockers with multiple optimizations (#10640)

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- select lockers which are non-local and online to have
  affinity towards remote servers for lock contention

- optimize lock retry interval to avoid sending too many
  messages during lock contention, reduces average CPU
  usage as well

- if bucket is not set, when deleteObject fails make sure
  setPutObjHeaders() honors lifecycle only if bucket name
  is set.

- fix top locks to list out always the oldest lockers always,
  avoid getting bogged down into map's unordered nature.
This commit is contained in:
Harshavardhana
2020-10-08 12:32:32 -07:00
committed by GitHub
parent 907a171edd
commit 736e58dd68
20 changed files with 105 additions and 65 deletions
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cmd/data-crawler.go
+1 -1
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@@ -54,7 +54,7 @@ const (
var (
globalCrawlerConfig crawler.Config
dataCrawlerLeaderLockTimeout = newDynamicTimeout(1*time.Minute, 30*time.Second)
dataCrawlerLeaderLockTimeout = newDynamicTimeout(30*time.Second, 10*time.Second)
)
// initDataCrawler will start the crawler unless disabled.