store/gc_worker: Implement adaptive GC safePoint (pingcap#16550)

go.mod

@@ -36,18 +36,17 @@ require (
 	github.com/pingcap/failpoint v0.0.0-20200210140405-f8f9fb234798
 	github.com/pingcap/fn v0.0.0-20191016082858-07623b84a47d
 	github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989
-	github.com/pingcap/kvproto v0.0.0-20200416032236-29afcedc8234
+	github.com/pingcap/kvproto v0.0.0-20200420075417-e0c6e8842f22
 	github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd
 	github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c
-	github.com/pingcap/pd/v4 v4.0.0-beta.1.0.20200305072537-61d9f9cc35d3
+	github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2
 	github.com/pingcap/sysutil v0.0.0-20200408114249-ed3bd6f7fdb1
 	github.com/pingcap/tidb-tools v4.0.0-beta.1.0.20200306084441-875bd09aa3d5+incompatible
 	github.com/pingcap/tipb v0.0.0-20200417094153-7316d94df1ee
 	github.com/prometheus/client_golang v1.0.0
 	github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4
 	github.com/prometheus/common v0.4.1
 	github.com/shirou/gopsutil v2.19.10+incompatible
-	github.com/shurcooL/httpfs v0.0.0-20171119174359-809beceb2371 // indirect
 	github.com/shurcooL/vfsgen v0.0.0-20181020040650-a97a25d856ca // indirect
 	github.com/sirupsen/logrus v1.2.0
 	github.com/soheilhy/cmux v0.1.4
@@ -62,16 +61,15 @@ require (
 	go.uber.org/zap v1.14.1
 	golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413 // indirect
 	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
-	golang.org/x/net v0.0.0-20200301022130-244492dfa37a
+	golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e
 	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e
-	golang.org/x/sys v0.0.0-20200113162924-86b910548bc1
+	golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
 	golang.org/x/text v0.3.2
 	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
 	golang.org/x/tools v0.0.0-20200325203130-f53864d0dba1
 	google.golang.org/grpc v1.25.1
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
-	honnef.co/go/tools v0.0.1-2020.1.3 // indirect
 	sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4
 	sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67
 )