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schedule: batch to report the metrics of target filter (#5561)
close #5538 Signed-off-by: bufferflies <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,213 @@ | ||
| // Copyright 2022 TiKV Project Authors. | ||
| // | ||
| // 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, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package filter | ||
|
|
||
| import ( | ||
| "strconv" | ||
| ) | ||
|
|
||
| type action int | ||
|
|
||
| const ( | ||
| source action = iota | ||
| target | ||
|
|
||
| actionLen | ||
| ) | ||
|
|
||
| var actions = [actionLen]string{ | ||
| "filter-source", | ||
| "filter-target", | ||
| } | ||
|
|
||
| // String implements fmt.Stringer interface. | ||
| func (a action) String() string { | ||
| if a < actionLen { | ||
| return actions[a] | ||
| } | ||
| return "unknown" | ||
| } | ||
|
|
||
| type scope int | ||
|
|
||
| const ( | ||
| // BalanceLeader is the filter type for balance leader. | ||
| BalanceLeader scope = iota | ||
| // BalanceRegion is the filter type for balance region. | ||
| BalanceRegion | ||
| // BalanceHotRegion is the filter type for hot region. | ||
| BalanceHotRegion | ||
| // Label is the filter type for replica. | ||
| Label | ||
|
|
||
| // EvictLeader is the filter type for evict leader. | ||
| EvictLeader | ||
| // RegionScatter is the filter type for scatter region. | ||
| RegionScatter | ||
| // ReplicaChecker is the filter type for replica. | ||
| ReplicaChecker | ||
| // RuleChecker is the filter type for rule. | ||
| RuleChecker | ||
|
|
||
| // GrantHotLeader is the filter type for grant hot leader. | ||
| GrantHotLeader | ||
| // ShuffleHotRegion is the filter type for shuffle hot region. | ||
| ShuffleHotRegion | ||
| // ShuffleRegion is the filter type for shuffle region. | ||
| ShuffleRegion | ||
| // RandomMerge is the filter type for random merge. | ||
| RandomMerge | ||
| scopeLen | ||
| ) | ||
|
|
||
| var scopes = [scopeLen]string{ | ||
| "balance-leader-scheduler", | ||
| "balance-region-scheduler", | ||
| "balance-hot-region-scheduler", | ||
| "label-scheduler", | ||
|
|
||
| "evict-leader-scheduler", | ||
| "region-scatter", | ||
| "replica-checker", | ||
| "rule-checker", | ||
|
|
||
| "grant-hot-leader-scheduler", | ||
| "shuffle-region-scheduler", | ||
| "shuffle-region-scheduler", | ||
| "random-merge-scheduler", | ||
| } | ||
|
|
||
| // String implements fmt.Stringer interface. | ||
| func (s scope) String() string { | ||
| if s >= scopeLen { | ||
| return "unknown" | ||
| } | ||
| return scopes[s] | ||
| } | ||
|
|
||
| type filterType int | ||
|
|
||
| const ( | ||
| excluded filterType = iota | ||
| storageThreshold | ||
| distinctScore | ||
| labelConstraint | ||
| ruleFit | ||
| ruleLeader | ||
| engine | ||
| specialUse | ||
| isolation | ||
|
|
||
| storeStateOK | ||
| storeStateTombstone | ||
| storeStateDown | ||
| storeStateOffline | ||
| storeStatePauseLeader | ||
| storeStateSlow | ||
| storeStateDisconnected | ||
| storeStateBusy | ||
| storeStateExceedRemoveLimit | ||
| storeStateExceedAddLimit | ||
| storeStateTooManySnapshot | ||
| storeStateTooManyPendingPeer | ||
| storeStateRejectLeader | ||
|
|
||
| filtersLen | ||
| ) | ||
|
|
||
| var filters = [filtersLen]string{ | ||
| "exclude-filter", | ||
| "storage-threshold-filter", | ||
| "distinct-filter", | ||
| "label-constraint-filter", | ||
| "rule-fit-filter", | ||
| "rule-fit-leader-filter", | ||
| "engine-filter", | ||
| "special-use-filter", | ||
| "isolation-filter", | ||
|
|
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| "store-state-ok-filter", | ||
| "store-state-tombstone-filter", | ||
| "store-state-down-filter", | ||
| "store-state-offline-filter", | ||
| "store-state-pause-leader-filter", | ||
| "store-state-slow-filter", | ||
| "store-state-disconnect-filter", | ||
| "store-state-busy-filter", | ||
| "store-state-exceed-remove-limit-filter", | ||
| "store-state-exceed-add-limit-filter", | ||
| "store-state-too-many-snapshots-filter", | ||
| "store-state-too-many-pending-peers-filter", | ||
| "store-state-reject-leader-filter", | ||
| } | ||
|
|
||
| // String implements fmt.Stringer interface. | ||
| func (f filterType) String() string { | ||
| if f < filtersLen { | ||
| return filters[f] | ||
| } | ||
|
|
||
| return "unknown" | ||
| } | ||
|
|
||
| // Counter records the filter counter. | ||
| type Counter struct { | ||
| scope string | ||
| // record filter counter for each store. | ||
| // [action][type][sourceID][targetID]count | ||
| // [source-filter][rule-fit-filter]<1->2><10> | ||
| counter [][]map[uint64]map[uint64]int | ||
| } | ||
|
|
||
| // NewCounter creates a Counter. | ||
| func NewCounter(scope string) *Counter { | ||
| counter := make([][]map[uint64]map[uint64]int, actionLen) | ||
| for i := range counter { | ||
| counter[i] = make([]map[uint64]map[uint64]int, filtersLen) | ||
| for k := range counter[i] { | ||
| counter[i][k] = make(map[uint64]map[uint64]int) | ||
| } | ||
| } | ||
| return &Counter{counter: counter, scope: scope} | ||
| } | ||
|
|
||
| // Add adds the filter counter. | ||
| func (c *Counter) inc(action action, filterType filterType, sourceID uint64, targetID uint64) { | ||
| if _, ok := c.counter[action][filterType][sourceID]; !ok { | ||
| c.counter[action][filterType][sourceID] = make(map[uint64]int) | ||
| } | ||
| c.counter[action][filterType][sourceID][targetID]++ | ||
| } | ||
|
|
||
| // Flush flushes the counter to the metrics. | ||
| func (c *Counter) Flush() { | ||
| for i, actions := range c.counter { | ||
| actionName := action(i).String() | ||
| for j, counters := range actions { | ||
| filterName := filterType(j).String() | ||
| for sourceID, count := range counters { | ||
| sourceIDStr := strconv.FormatUint(sourceID, 10) | ||
| for targetID, value := range count { | ||
| targetIDStr := strconv.FormatUint(sourceID, 10) | ||
| if value > 0 { | ||
| filterCounter.WithLabelValues(actionName, c.scope, filterName, sourceIDStr, targetIDStr). | ||
| Add(float64(value)) | ||
| counters[sourceID][targetID] = 0 | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // Copyright 2022 TiKV Project Authors. | ||
| // | ||
| // 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, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package filter | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestString(t *testing.T) { | ||
| re := require.New(t) | ||
| testcases := []struct { | ||
| filterType int | ||
| expected string | ||
| }{ | ||
| {int(storeStateTombstone), "store-state-tombstone-filter"}, | ||
| {int(filtersLen - 1), "store-state-reject-leader-filter"}, | ||
| {int(filtersLen), "unknown"}, | ||
| } | ||
|
|
||
| for _, data := range testcases { | ||
| re.Equal(data.expected, filterType(data.filterType).String()) | ||
| } | ||
| re.Equal(int(filtersLen), len(filters)) | ||
| } | ||
|
|
||
| func TestCounter(t *testing.T) { | ||
| re := require.New(t) | ||
| counter := NewCounter(BalanceLeader.String()) | ||
| counter.inc(source, storeStateTombstone, 1, 2) | ||
| counter.inc(target, storeStateTombstone, 1, 2) | ||
| re.Equal(counter.counter[source][storeStateTombstone][1][2], 1) | ||
| re.Equal(counter.counter[target][storeStateTombstone][1][2], 1) | ||
| counter.Flush() | ||
| re.Equal(counter.counter[source][storeStateTombstone][1][2], 0) | ||
| re.Equal(counter.counter[target][storeStateTombstone][1][2], 0) | ||
| } |
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