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pkg: remove old duplicated task #8234
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[REVIEW NOTIFICATION] This pull request has been approved by:
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #8234 +/- ##
==========================================
+ Coverage 77.28% 77.36% +0.07%
==========================================
Files 471 471
Lines 61383 61395 +12
==========================================
+ Hits 47441 47497 +56
+ Misses 10382 10338 -44
Partials 3560 3560
Flags with carried forward coverage won't be shown. Click here to find out more. |
Signed-off-by: Ryan Leung <[email protected]>
Signed-off-by: Ryan Leung <[email protected]>
Signed-off-by: Ryan Leung <[email protected]>
Signed-off-by: Ryan Leung <[email protected]>
Signed-off-by: Ryan Leung <[email protected]>
pkg/ratelimit/runner.go
Outdated
@@ -42,16 +42,16 @@ const ( | |||
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|||
// Runner is the interface for running tasks. | |||
type Runner interface { | |||
RunTask(ctx context.Context, name string, f func(context.Context), opts ...TaskOption) error | |||
RunTask(id, name string, f func(), opts ...TaskOption) error |
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I think RunTask(id uint64, name string, f func(), opts ...TaskOption) error
is ok. fmt.Sprint
has an allocation cost.
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But the same id may have different tasks. If we don't use fmt.Sprint, then we need a map[uint64]map[string]struct{}
.
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package main
import (
"fmt"
"strings"
"testing"
)
func BenchmarkSprintfKey(b *testing.B) {
m := make(map[string]int)
b.ReportAllocs()
for i := 0; i < b.N; i++ {
key := fmt.Sprintf("%s %s", "hello", "world")
m[key]++
}
}
func BenchmarkStructKey(b *testing.B) {
type myKey struct{
id int64
name string
}
m := make(map[myKey]int)
b.ReportAllocs()
for i := 0; i < b.N; i++ {
key := myKey{id: 1, name: "test"}
m[key]++
}
}
➜ bench_sprintf go test -bench=. -benchmem
goos: darwin
goarch: arm64
pkg: bench
BenchmarkSprintfKey-12 20207793 60.09 ns/op 16 B/op 1 allocs/op
BenchmarkStructKey-12 83140879 14.91 ns/op 0 B/op 0 allocs/op
@@ -188,22 +193,25 @@ func (cr *ConcurrentRunner) RunTask(ctx context.Context, name string, f func(con | |||
|
|||
pendingTaskNum := len(cr.pendingTasks) | |||
if pendingTaskNum > 0 { | |||
if t, ok := cr.pendingRegionTasks[task.id]; ok { | |||
t.f = f |
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Can you add a comment to explain the function will be overwrite and it doesn't matter
rest lgtm
Signed-off-by: Ryan Leung <[email protected]>
@okJiang: Thanks for your review. The bot only counts approvals from reviewers and higher roles in list, but you're still welcome to leave your comments. In response to this: Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository. |
Start() | ||
Stop() | ||
} | ||
|
||
// Task is a task to be run. | ||
type Task struct { | ||
ctx context.Context | ||
id uint64 |
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can use taskID directly
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I think it's ok and use less memory.
pkg/ratelimit/runner.go
Outdated
@@ -61,16 +61,23 @@ type Task struct { | |||
var ErrMaxWaitingTasksExceeded = errors.New("max waiting tasks exceeded") | |||
|
|||
// ConcurrentRunner is a simple task runner that limits the number of concurrent tasks. |
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It's a mismatched comment line.
[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: JmPotato, nolouch, okJiang The full list of commands accepted by this bot can be found here. The pull request process is described here
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[LGTM Timeline notifier]Timeline:
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Signed-off-by: Ryan Leung <[email protected]>
/merge |
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@rleungx: Your PR was out of date, I have automatically updated it for you. If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes. Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository. |
What problem does this PR solve?
Issue Number: ref #7897.
What is changed and how does it work?
Check List
Tests
Release note