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Merge pull request #12941 from serathius/defrag

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etcdserver: Implement running defrag if freeable space will exceed provided threshold (on boot)
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Piotr Tabor
2021-05-12 09:26:56 +02:00
committed by GitHub
parent 980d70d050 efc8505739
commit e0a8484c8f
7 changed files with 52 additions and 0 deletions
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1
server/etcdmain/config.go
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@@ -276,6 +276,7 @@ func newConfig() *config {
fs.DurationVar(&cfg.ec.ExperimentalWarningApplyDuration, "experimental-warning-apply-duration", cfg.ec.ExperimentalWarningApplyDuration, "Time duration after which a warning is generated if request takes more time.")
fs.BoolVar(&cfg.ec.ExperimentalMemoryMlock, "experimental-memory-mlock", cfg.ec.ExperimentalMemoryMlock, "Enable to enforce etcd pages (in particular bbolt) to stay in RAM.")
fs.BoolVar(&cfg.ec.ExperimentalTxnModeWriteWithSharedBuffer, "experimental-txn-mode-write-with-shared-buffer", true, "Enable the write transaction to use a shared buffer in its readonly check operations.")
fs.UintVar(&cfg.ec.ExperimentalBootstrapDefragThresholdMegabytes, "experimental-bootstrap-defrag-threshold-megabytes", 0, "Enable the defrag during etcd server bootstrap on condition that it will free at least the provided threshold of disk space. Needs to be set to non-zero value to take effect.")
// unsafe
fs.BoolVar(&cfg.ec.UnsafeNoFsync, "unsafe-no-fsync", false, "Disables fsync, unsafe, will cause data loss.")

2
server/etcdmain/help.go
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@@ -236,6 +236,8 @@ Experimental feature:
Warning is generated if requests take more than this duration.
--experimental-txn-mode-write-with-shared-buffer 'true'
Enable the write transaction to use a shared buffer in its readonly check operations.
--experimental-bootstrap-defrag-threshold-megabytes
Enable the defrag during etcd server bootstrap on condition that it will free at least the provided threshold of disk space. Needs to be set to non-zero value to take effect.
Unsafe feature:
--force-new-cluster 'false'