13399: Adjust locking strategy to avoid starvation.

[arvados.git] / services / keep-balance / usage.go

diff --git a/services/keep-balance/usage.go b/services/keep-balance/usage.go
index d11201047bff92752c89cfd3a3183b6f08dd3371..4c7d5067182fe89783e104c56063fdaf86545c1b 100644 (file)
--- a/services/keep-balance/usage.go
+++ b/services/keep-balance/usage.go
@@ -1,3 +1,7 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+

 package main
 
 import (
 package main
 
 import (


@@ -15,7 +19,8 @@ KeepServiceTypes:
     - disk
 RunPeriod: 600s
 CollectionBatchSize: 100000
     - disk
 RunPeriod: 600s
 CollectionBatchSize: 100000

-CollectionBuffers: 1000`)
+CollectionBuffers: 1000
+RequestTimeout: 30m`)

 
 func usage() {
        fmt.Fprintf(os.Stderr, `
 
 func usage() {
        fmt.Fprintf(os.Stderr, `


@@ -26,7 +31,7 @@ overreplicated and unreferenced blocks, and moves blocks to better
 positions (according to the rendezvous hash algorithm) so clients find
 them faster.
 
 positions (according to the rendezvous hash algorithm) so clients find
 them faster.
 

-Usage: keep-balance -config path/to/keep-balance.yml [options]
+Usage: keep-balance [options]

 
 Options:
 `)
 
 Options:
 `)


@@ -82,6 +87,11 @@ Tuning resource usage:
     while the current page is still being processed. If this is zero
     or omitted, pages are processed serially.
 
     while the current page is still being processed. If this is zero
     or omitted, pages are processed serially.
 

+    RequestTimeout is the maximum time keep-balance will spend on a
+    single HTTP request (getting a page of collections, getting the
+    block index from a keepstore server, or sending a trash or pull
+    list to a keepstore server). Defaults to 30 minutes.
+

 Limitations:
 
     keep-balance does not attempt to discover whether committed pull
 Limitations:
 
     keep-balance does not attempt to discover whether committed pull