issue: #38399
pr: #39522
- broadcast message can carry multi resource key now.
- implement event-based notification for broadcast messages
- broadcast message use broadcast id as a unique identifier in message
- broadcasted message on vchannels keep the broadcasted vchannel now.
- broadcasted message and broadcast message have a common broadcast
header now.
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Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
pr: #39040
- make broadcast service available for msgstream by reusing the
architecture streaming service
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Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
pr: #39020
- Add new rpc for transfer broadcast to streaming coord
- Add broadcast service at streaming coord to make broadcast message
sent automicly
also cherry pick the pr #38400
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Signed-off-by: chyezh <chyezh@outlook.com>