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19e5e9f910
issue: #43897 - Return LastConfirmedMessageID when wal append operation. - Add resource-key-based locker for broadcast-ack operation to protect the coord state when executing ddl. - Resource-key-based locker is held until the broadcast operation is acked. - ResourceKey support shared and exclusive lock. - Add FastAck execute ack right away after the broadcast done to speed up ddl. - Ack callback will support broadcast message result now. - Add tombstone for broadcaster to avoid to repeatedly commit DDL and ABA issue. --------- Signed-off-by: chyezh <chyezh@outlook.com>
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package broadcast
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import (
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"context"
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"github.com/milvus-io/milvus/internal/streamingcoord/server/broadcaster"
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"github.com/milvus-io/milvus/pkg/v2/streaming/util/message"
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"github.com/milvus-io/milvus/pkg/v2/util/syncutil"
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)
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var singleton = syncutil.NewFuture[broadcaster.Broadcaster]()
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// Register registers the broadcaster.
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func Register(broadcaster broadcaster.Broadcaster) {
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singleton.Set(broadcaster)
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}
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// GetWithContext gets the broadcaster with context.
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func GetWithContext(ctx context.Context) (broadcaster.Broadcaster, error) {
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return singleton.GetWithContext(ctx)
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}
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// StartBroadcastWithResourceKeys starts a broadcast with resource keys.
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func StartBroadcastWithResourceKeys(ctx context.Context, resourceKeys ...message.ResourceKey) (broadcaster.BroadcastAPI, error) {
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broadcaster, err := singleton.GetWithContext(ctx)
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if err != nil {
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return nil, err
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}
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return broadcaster.WithResourceKeys(ctx, resourceKeys...)
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}
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// Release releases the broadcaster.
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func Release() {
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if !singleton.Ready() {
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return
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}
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singleton.Get().Close()
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}
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