feat(meta-service): add metrics last_seq
#7429
Merged
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Summary
feat(meta-service): add metrics
last_seq
Other changes:
Refactor: subscribe_metrics() does not need to watch another Receiver:
MetaNode.running_rx
for shutting down event.When MetaNode is shutting down,
metrics_rx.changed()
returns anerror indicating Raft is shutting down.
Refactor: reduce indent
:()
Fix: databend-meta report
last_seq
metrics #7395Changelog
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