Files
tidb/util/execdetails/execdetails_test.go
2021-06-11 17:24:35 +08:00

338 lines
11 KiB
Go

// Copyright 2018 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package execdetails
import (
"strconv"
"sync"
"testing"
"time"
. "github.com/pingcap/check"
"github.com/pingcap/tipb/go-tipb"
"github.com/tikv/client-go/v2/util"
)
func TestT(t *testing.T) {
TestingT(t)
}
func TestString(t *testing.T) {
detail := &ExecDetails{
CopTime: time.Second + 3*time.Millisecond,
BackoffTime: time.Second,
RequestCount: 1,
CommitDetail: &util.CommitDetails{
GetCommitTsTime: time.Second,
PrewriteTime: time.Second,
CommitTime: time.Second,
LocalLatchTime: time.Second,
Mu: struct {
sync.Mutex
CommitBackoffTime int64
BackoffTypes []string
}{
CommitBackoffTime: int64(time.Second),
BackoffTypes: []string{
"backoff1",
"backoff2",
},
},
ResolveLockTime: 1000000000, // 10^9 ns = 1s
WriteKeys: 1,
WriteSize: 1,
PrewriteRegionNum: 1,
TxnRetry: 1,
},
ScanDetail: &util.ScanDetail{
ProcessedKeys: 10,
TotalKeys: 100,
RocksdbDeleteSkippedCount: 1,
RocksdbKeySkippedCount: 1,
RocksdbBlockCacheHitCount: 1,
RocksdbBlockReadCount: 1,
RocksdbBlockReadByte: 100,
},
TimeDetail: util.TimeDetail{
ProcessTime: 2*time.Second + 5*time.Millisecond,
WaitTime: time.Second,
},
}
expected := "Cop_time: 1.003 Process_time: 2.005 Wait_time: 1 Backoff_time: 1 Request_count: 1 Prewrite_time: 1 Commit_time: 1 " +
"Get_commit_ts_time: 1 Commit_backoff_time: 1 Backoff_types: [backoff1 backoff2] Resolve_lock_time: 1 Local_latch_wait_time: 1 Write_keys: 1 Write_size: 1 Prewrite_region: 1 Txn_retry: 1 " +
"Process_keys: 10 Total_keys: 100 Rocksdb_delete_skipped_count: 1 Rocksdb_key_skipped_count: 1 Rocksdb_block_cache_hit_count: 1 Rocksdb_block_read_count: 1 Rocksdb_block_read_byte: 100"
if str := detail.String(); str != expected {
t.Errorf("got:\n%s\nexpected:\n%s", str, expected)
}
detail = &ExecDetails{}
if str := detail.String(); str != "" {
t.Errorf("got:\n%s\nexpected:\n", str)
}
}
func mockExecutorExecutionSummary(TimeProcessedNs, NumProducedRows, NumIterations uint64) *tipb.ExecutorExecutionSummary {
return &tipb.ExecutorExecutionSummary{TimeProcessedNs: &TimeProcessedNs, NumProducedRows: &NumProducedRows,
NumIterations: &NumIterations, XXX_unrecognized: nil}
}
func mockExecutorExecutionSummaryForTiFlash(TimeProcessedNs, NumProducedRows, NumIterations, Concurrency uint64, ExecutorID string) *tipb.ExecutorExecutionSummary {
return &tipb.ExecutorExecutionSummary{TimeProcessedNs: &TimeProcessedNs, NumProducedRows: &NumProducedRows,
NumIterations: &NumIterations, Concurrency: &Concurrency, ExecutorId: &ExecutorID, XXX_unrecognized: nil}
}
func TestCopRuntimeStats(t *testing.T) {
stats := NewRuntimeStatsColl()
tableScanID := 1
aggID := 2
tableReaderID := 3
stats.RecordOneCopTask(tableScanID, "tikv", "8.8.8.8", mockExecutorExecutionSummary(1, 1, 1))
stats.RecordOneCopTask(tableScanID, "tikv", "8.8.8.9", mockExecutorExecutionSummary(2, 2, 2))
stats.RecordOneCopTask(aggID, "tikv", "8.8.8.8", mockExecutorExecutionSummary(3, 3, 3))
stats.RecordOneCopTask(aggID, "tikv", "8.8.8.9", mockExecutorExecutionSummary(4, 4, 4))
scanDetail := &util.ScanDetail{
TotalKeys: 15,
ProcessedKeys: 10,
RocksdbDeleteSkippedCount: 5,
RocksdbKeySkippedCount: 1,
RocksdbBlockCacheHitCount: 10,
RocksdbBlockReadCount: 20,
RocksdbBlockReadByte: 100,
}
stats.RecordScanDetail(tableScanID, "tikv", scanDetail)
if stats.ExistsCopStats(tableScanID) != true {
t.Fatal("exist")
}
cop := stats.GetOrCreateCopStats(tableScanID, "tikv")
if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}, "+
"scan_detail: {total_process_keys: 10, total_keys: 15, rocksdb: {delete_skipped_count: 5, key_skipped_count: 1, block: {cache_hit_count: 10, read_count: 20, read_byte: 100 Bytes}}}" {
t.Fatalf(cop.String())
}
copStats := cop.stats["8.8.8.8"]
if copStats == nil {
t.Fatal("cop stats is nil")
}
copStats[0].SetRowNum(10)
copStats[0].Record(time.Second, 10)
if copStats[0].String() != "time:1s, loops:2" {
t.Fatalf("cop stats string is not expect, got: %v", copStats[0].String())
}
if stats.GetOrCreateCopStats(aggID, "tikv").String() != "tikv_task:{proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2}" {
t.Fatalf("agg cop stats string is not as expected, got: %v", stats.GetOrCreateCopStats(aggID, "tikv").String())
}
rootStats := stats.GetRootStats(tableReaderID)
if rootStats == nil {
t.Fatal("table_reader")
}
if stats.ExistsRootStats(tableReaderID) == false {
t.Fatal("table_reader not exists")
}
cop.scanDetail.ProcessedKeys = 0
cop.scanDetail.RocksdbKeySkippedCount = 0
cop.scanDetail.RocksdbBlockReadCount = 0
// Print all fields even though the value of some fields is 0.
if cop.String() != "tikv_task:{proc max:1s, min:2ns, p80:1s, p95:1s, iters:4, tasks:2}, "+
"scan_detail: {total_process_keys: 0, total_keys: 15, rocksdb: {delete_skipped_count: 5, key_skipped_count: 0, block: {cache_hit_count: 10, read_count: 0, read_byte: 100 Bytes}}}" {
t.Fatalf(cop.String())
}
zeroScanDetail := util.ScanDetail{}
if zeroScanDetail.String() != "" {
t.Fatalf(zeroScanDetail.String())
}
}
func TestCopRuntimeStatsForTiFlash(t *testing.T) {
stats := NewRuntimeStatsColl()
tableScanID := 1
aggID := 2
tableReaderID := 3
stats.RecordOneCopTask(aggID, "tiflash", "8.8.8.8", mockExecutorExecutionSummaryForTiFlash(1, 1, 1, 1, "tablescan_"+strconv.Itoa(tableScanID)))
stats.RecordOneCopTask(aggID, "tiflash", "8.8.8.9", mockExecutorExecutionSummaryForTiFlash(2, 2, 2, 1, "tablescan_"+strconv.Itoa(tableScanID)))
stats.RecordOneCopTask(tableScanID, "tiflash", "8.8.8.8", mockExecutorExecutionSummaryForTiFlash(3, 3, 3, 1, "aggregation_"+strconv.Itoa(aggID)))
stats.RecordOneCopTask(tableScanID, "tiflash", "8.8.8.9", mockExecutorExecutionSummaryForTiFlash(4, 4, 4, 1, "aggregation_"+strconv.Itoa(aggID)))
scanDetail := &util.ScanDetail{
TotalKeys: 10,
ProcessedKeys: 10,
RocksdbDeleteSkippedCount: 10,
RocksdbKeySkippedCount: 1,
RocksdbBlockCacheHitCount: 10,
RocksdbBlockReadCount: 10,
RocksdbBlockReadByte: 100,
}
stats.RecordScanDetail(tableScanID, "tiflash", scanDetail)
if stats.ExistsCopStats(tableScanID) != true {
t.Fatal("exist")
}
cop := stats.GetOrCreateCopStats(tableScanID, "tiflash")
if cop.String() != "tiflash_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2, threads:2}" {
t.Fatal(cop.String())
}
copStats := cop.stats["8.8.8.8"]
if copStats == nil {
t.Fatal("cop stats is nil")
}
copStats[0].SetRowNum(10)
copStats[0].Record(time.Second, 10)
if copStats[0].String() != "time:1s, loops:2, threads:1" {
t.Fatalf("cop stats string is not expect, got: %v", copStats[0].String())
}
if stats.GetOrCreateCopStats(aggID, "tiflash").String() != "tiflash_task:{proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2, threads:2}" {
t.Fatalf("agg cop stats string is not as expected, got: %v", stats.GetOrCreateCopStats(aggID, "tiflash").String())
}
rootStats := stats.GetRootStats(tableReaderID)
if rootStats == nil {
t.Fatal("table_reader")
}
if stats.ExistsRootStats(tableReaderID) == false {
t.Fatal("table_reader not exists")
}
}
func TestRuntimeStatsWithCommit(t *testing.T) {
commitDetail := &util.CommitDetails{
GetCommitTsTime: time.Second,
PrewriteTime: time.Second,
CommitTime: time.Second,
Mu: struct {
sync.Mutex
CommitBackoffTime int64
BackoffTypes []string
}{
CommitBackoffTime: int64(time.Second),
BackoffTypes: []string{"backoff1", "backoff2", "backoff1"},
},
ResolveLockTime: int64(time.Second),
WriteKeys: 3,
WriteSize: 66,
PrewriteRegionNum: 5,
TxnRetry: 2,
}
stats := &RuntimeStatsWithCommit{
Commit: commitDetail,
}
expect := "commit_txn: {prewrite:1s, get_commit_ts:1s, commit:1s, backoff: {time: 1s, type: [backoff1 backoff2]}, resolve_lock: 1s, region_num:5, write_keys:3, write_byte:66, txn_retry:2}"
if stats.String() != expect {
t.Fatalf("%v != %v", stats.String(), expect)
}
lockDetail := &util.LockKeysDetails{
TotalTime: time.Second,
RegionNum: 2,
LockKeys: 10,
ResolveLockTime: int64(time.Second * 2),
BackoffTime: int64(time.Second * 3),
Mu: struct {
sync.Mutex
BackoffTypes []string
}{BackoffTypes: []string{
"backoff4",
"backoff5",
"backoff5",
}},
LockRPCTime: int64(time.Second * 5),
LockRPCCount: 50,
RetryCount: 2,
}
stats = &RuntimeStatsWithCommit{
LockKeys: lockDetail,
}
expect = "lock_keys: {time:1s, region:2, keys:10, resolve_lock:2s, backoff: {time: 3s, type: [backoff4 backoff5]}, lock_rpc:5s, rpc_count:50, retry_count:2}"
if stats.String() != expect {
t.Fatalf("%v != %v", stats.String(), expect)
}
}
func TestRootRuntimeStats(t *testing.T) {
basic1 := &BasicRuntimeStats{}
basic2 := &BasicRuntimeStats{}
basic1.Record(time.Second, 20)
basic2.Record(time.Second*2, 30)
pid := 1
stmtStats := NewRuntimeStatsColl()
stmtStats.RegisterStats(pid, basic1)
stmtStats.RegisterStats(pid, basic2)
concurrency := &RuntimeStatsWithConcurrencyInfo{}
concurrency.SetConcurrencyInfo(NewConcurrencyInfo("worker", 15))
stmtStats.RegisterStats(pid, concurrency)
commitDetail := &util.CommitDetails{
GetCommitTsTime: time.Second,
PrewriteTime: time.Second,
CommitTime: time.Second,
WriteKeys: 3,
WriteSize: 66,
PrewriteRegionNum: 5,
TxnRetry: 2,
}
stmtStats.RegisterStats(pid, &RuntimeStatsWithCommit{
Commit: commitDetail,
})
stats := stmtStats.GetRootStats(1)
expect := "time:3s, loops:2, worker:15, commit_txn: {prewrite:1s, get_commit_ts:1s, commit:1s, region_num:5, write_keys:3, write_byte:66, txn_retry:2}"
if stats.String() != expect {
t.Fatalf("%v != %v", stats.String(), expect)
}
}
func TestFormatDurationForExplain(t *testing.T) {
cases := []struct {
t string
s string
}{
{"0s", "0s"},
{"1ns", "1ns"},
{"9ns", "9ns"},
{"10ns", "10ns"},
{"999ns", "999ns"},
{"1µs", "1µs"},
{"1.123µs", "1.12µs"},
{"1.023µs", "1.02µs"},
{"1.003µs", "1µs"},
{"10.456µs", "10.5µs"},
{"10.956µs", "11µs"},
{"999.056µs", "999.1µs"},
{"999.988µs", "1ms"},
{"1.123ms", "1.12ms"},
{"1.023ms", "1.02ms"},
{"1.003ms", "1ms"},
{"10.456ms", "10.5ms"},
{"10.956ms", "11ms"},
{"999.056ms", "999.1ms"},
{"999.988ms", "1s"},
{"1.123s", "1.12s"},
{"1.023s", "1.02s"},
{"1.003s", "1s"},
{"10.456s", "10.5s"},
{"10.956s", "11s"},
{"16m39.056s", "16m39.1s"},
{"16m39.988s", "16m40s"},
{"24h16m39.388662s", "24h16m39.4s"},
{"9.412345ms", "9.41ms"},
{"10.412345ms", "10.4ms"},
{"5.999s", "6s"},
{"100.45µs", "100.5µs"},
}
for _, ca := range cases {
d, err := time.ParseDuration(ca.t)
if err != nil {
t.Fatalf("%v != %v", err, nil)
}
result := FormatDuration(d)
if result != ca.s {
t.Fatalf("%v != %v", result, ca.s)
}
}
}