107 lines
3.7 KiB
Go
107 lines
3.7 KiB
Go
// Copyright 2021 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package telemetry_test
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import (
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"context"
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"fmt"
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"testing"
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"github.com/pingcap/kvproto/pkg/metapb"
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"github.com/pingcap/tidb/pkg/domain"
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"github.com/pingcap/tidb/pkg/meta/model"
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"github.com/pingcap/tidb/pkg/parser/ast"
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"github.com/pingcap/tidb/pkg/store/mockstore"
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"github.com/pingcap/tidb/pkg/store/mockstore/unistore"
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"github.com/pingcap/tidb/pkg/telemetry"
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"github.com/pingcap/tidb/pkg/testkit"
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"github.com/stretchr/testify/require"
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"github.com/tikv/client-go/v2/testutils"
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)
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func TestBuiltinFunctionsUsage(t *testing.T) {
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store := testkit.CreateMockStore(t)
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("set @@tidb_enable_non_prepared_plan_cache=0") // affect this UT
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// Clear builtin functions usage
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telemetry.GlobalBuiltinFunctionsUsage.Dump()
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usage := telemetry.GlobalBuiltinFunctionsUsage.Dump()
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require.Equal(t, map[string]uint32{}, usage)
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tk.MustExec("create table t (id int)")
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tk.MustQuery("select id + 1 - 2 from t")
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// Should manually invoke `Session.Close()` to report the usage information
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tk.Session().Close()
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usage = telemetry.GlobalBuiltinFunctionsUsage.Dump()
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require.Equal(t, map[string]uint32{"PlusInt": 1, "MinusInt": 1}, usage)
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}
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// withMockTiFlash sets the mockStore to have N TiFlash stores (naming as tiflash0, tiflash1, ...).
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func withMockTiFlash(nodes int) mockstore.MockTiKVStoreOption {
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return mockstore.WithMultipleOptions(
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mockstore.WithClusterInspector(func(c testutils.Cluster) {
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mockCluster := c.(*unistore.Cluster)
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_, _, region1 := mockstore.BootstrapWithSingleStore(c)
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tiflashIdx := 0
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for tiflashIdx < nodes {
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store2 := c.AllocID()
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peer2 := c.AllocID()
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addr2 := fmt.Sprintf("tiflash%d", tiflashIdx)
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mockCluster.AddStore(store2, addr2, &metapb.StoreLabel{Key: "engine", Value: "tiflash"})
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mockCluster.AddPeer(region1, store2, peer2)
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tiflashIdx++
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}
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}),
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mockstore.WithStoreType(mockstore.EmbedUnistore),
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)
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}
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func TestTiflashUsage(t *testing.T) {
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store := testkit.CreateMockStore(t, withMockTiFlash(1))
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("create table t (id int)")
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tk.MustExec("alter table t set tiflash replica 1")
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dom := domain.GetDomain(tk.Session())
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is := dom.InfoSchema()
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tbl, err := is.TableByName(context.Background(), ast.NewCIStr("test"), ast.NewCIStr("t"))
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require.NoError(t, err)
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tbl.Meta().TiFlashReplica = &model.TiFlashReplicaInfo{
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Count: 1,
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Available: true,
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}
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telemetry.CurrentTiFlashPushDownCount.Swap(0)
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telemetry.CurrentTiflashTableScanWithFastScanCount.Swap(0)
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require.Equal(t, telemetry.CurrentTiflashTableScanCount.String(), "0")
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require.Equal(t, telemetry.CurrentTiflashTableScanWithFastScanCount.String(), "0")
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tk.MustExec("set session tidb_isolation_read_engines='tiflash';")
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tk.MustQuery(`select count(*) from t`)
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tk.MustExec(`set @@session.tiflash_fastscan=ON`)
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tk.MustExec(`set session tidb_isolation_read_engines="tiflash";`)
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tk.MustQuery(`select count(*) from test.t`)
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tk.Session().Close()
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require.Equal(t, telemetry.CurrentTiflashTableScanCount.String(), "2")
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require.Equal(t, telemetry.CurrentTiflashTableScanWithFastScanCount.String(), "1")
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}
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