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scheduler: hotspot: add pending influence #1982

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merged 14 commits into from
Dec 6, 2019
Merged

scheduler: hotspot: add pending influence #1982

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3ef777d
add pending influence
Luffbee Nov 27, 2019
f63eccc
fix old test
Luffbee Nov 27, 2019
040bd83
add metrics
Luffbee Dec 2, 2019
cf3762e
add test for write pending
Luffbee Dec 2, 2019
d1dac66
add test for read pending
Luffbee Dec 2, 2019
bc269be
enhance test
Luffbee Dec 2, 2019
9149a51
fix test
Luffbee Dec 2, 2019
c4ae307
fix balance hot read by peer
Luffbee Dec 2, 2019
67ac03b
fix format
Luffbee Dec 4, 2019
9d0eb3c
delete when weight is 0
Luffbee Dec 4, 2019
000a6b5
add TODOs
Luffbee Dec 4, 2019
08b49a0
fix TODOs
Luffbee Dec 4, 2019
8b704cb
fix comment
Luffbee Dec 5, 2019
3d252ea
Merge branch 'master' into pending-influence
Luffbee Dec 6, 2019
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11 changes: 11 additions & 0 deletions server/cluster/coordinator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -265,6 +265,8 @@ func (c *coordinator) stop() {
type hasHotStatus interface {
GetHotReadStatus() *statistics.StoreHotPeersInfos
GetHotWriteStatus() *statistics.StoreHotPeersInfos
GetWritePendingInfluence() map[uint64]schedulers.Influence
GetReadPendingInfluence() map[uint64]schedulers.Influence
GetStoresScore() map[uint64]float64
}

Expand Down Expand Up @@ -328,6 +330,7 @@ func (c *coordinator) collectHotSpotMetrics() {
}
stores := c.cluster.GetStores()
status := s.Scheduler.(hasHotStatus).GetHotWriteStatus()
pendings := s.Scheduler.(hasHotStatus).GetWritePendingInfluence()
for _, s := range stores {
storeAddress := s.GetAddress()
storeID := s.GetID()
Expand All @@ -349,10 +352,15 @@ func (c *coordinator) collectHotSpotMetrics() {
hotSpotStatusGauge.WithLabelValues(storeAddress, storeLabel, "total_written_bytes_as_leader").Set(0)
hotSpotStatusGauge.WithLabelValues(storeAddress, storeLabel, "hot_write_region_as_leader").Set(0)
}

infl := pendings[storeID]
// TODO: add to tidb-ansible after merging pending influence into operator influence.
hotSpotStatusGauge.WithLabelValues(storeAddress, storeLabel, "write_pending_influence_byte_rate").Set(infl.ByteRate)
}

// Collects hot read region metrics.
status = s.Scheduler.(hasHotStatus).GetHotReadStatus()
pendings = s.Scheduler.(hasHotStatus).GetReadPendingInfluence()
for _, s := range stores {
storeAddress := s.GetAddress()
storeID := s.GetID()
Expand All @@ -365,6 +373,9 @@ func (c *coordinator) collectHotSpotMetrics() {
hotSpotStatusGauge.WithLabelValues(storeAddress, storeLabel, "total_read_bytes_as_leader").Set(0)
hotSpotStatusGauge.WithLabelValues(storeAddress, storeLabel, "hot_read_region_as_leader").Set(0)
}

infl := pendings[storeID]
hotSpotStatusGauge.WithLabelValues(storeAddress, storeLabel, "read_pending_influence_byte_rate").Set(infl.ByteRate)
}

// Collects score of stores stats metrics.
Expand Down
1 change: 0 additions & 1 deletion server/schedule/operator/create_operator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -240,7 +240,6 @@ func CreateMoveLeaderOperator(desc string, cluster Cluster, region *core.RegionI
return nil, err
}
st := CreateAddPeerSteps(peer)
st = append(st, TransferLeader{ToStore: peer.StoreId, FromStore: oldStore})
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steps = append(st, steps...)
brief := fmt.Sprintf("mv leader: store %v to %v", oldStore, peer.StoreId)
return NewOperator(desc, brief, region.GetID(), region.GetRegionEpoch(), removeKind|kind|OpLeader|OpRegion, steps...), nil
Expand Down
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