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c84a0748c4
issue: #38399 - Embed the query node into streaming node to make delegator available at streaming node. - The embedded query node has a special server label `QUERYNODE_STREAMING-EMBEDDED`. - Change the balance strategy to make the channel assigned to streaming node as much as possible. Signed-off-by: chyezh <chyezh@outlook.com>
65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
package balance
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import (
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/coordinator/snmanager"
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"github.com/milvus-io/milvus/internal/querycoordv2/meta"
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"github.com/milvus-io/milvus/internal/querycoordv2/session"
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"github.com/milvus-io/milvus/internal/util/streamingutil"
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"github.com/milvus-io/milvus/pkg/log"
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)
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func assignChannelToWALLocatedFirstForNodeInfo(
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channels []*meta.DmChannel,
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nodeItems []*session.NodeInfo,
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) (notFoundChannels []*meta.DmChannel, plans []ChannelAssignPlan, scoreDelta map[int64]int) {
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plans = make([]ChannelAssignPlan, 0)
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notFoundChannels = make([]*meta.DmChannel, 0)
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scoreDelta = make(map[int64]int)
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for _, c := range channels {
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nodeID := snmanager.StaticStreamingNodeManager.GetWALLocated(c.GetChannelName())
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// Check if nodeID is in the list of nodeItems
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// The nodeID may not be in the nodeItems when multi replica mode.
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// Only one replica can be assigned to the node that wal is located.
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found := false
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for _, item := range nodeItems {
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if item.ID() == nodeID {
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plans = append(plans, ChannelAssignPlan{
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From: -1,
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To: item.ID(),
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Channel: c,
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})
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found = true
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scoreDelta[item.ID()] += 1
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break
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}
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}
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if !found {
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notFoundChannels = append(notFoundChannels, c)
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}
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}
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return notFoundChannels, plans, scoreDelta
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}
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// filterSQNIfStreamingServiceEnabled filter out the non-sqn querynode.
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func filterSQNIfStreamingServiceEnabled(nodes []int64) []int64 {
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if streamingutil.IsStreamingServiceEnabled() {
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sqns := snmanager.StaticStreamingNodeManager.GetStreamingQueryNodeIDs()
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expectedSQNs := make([]int64, 0, len(nodes))
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unexpectedNodes := make([]int64, 0)
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for _, node := range nodes {
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if sqns.Contain(node) {
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expectedSQNs = append(expectedSQNs, node)
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} else {
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unexpectedNodes = append(unexpectedNodes, node)
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}
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}
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if len(unexpectedNodes) > 0 {
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log.Warn("unexpected streaming querynode found when enable streaming service", zap.Int64s("unexpectedNodes", unexpectedNodes))
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}
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return expectedSQNs
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}
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return nodes
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}
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