client/controller: record context error and add slowlog about token bucket

tikv / pd

Placement driver for TiKV

Apache License 2.0

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client/controller: record context error and add slowlog about token bucket #8344

Open nolouch opened 3 days ago

nolouch commented 3 days ago

What problem does this PR solve?

Issue Number: Close https://github.com/tikv/pd/issues/8343

What is changed and how does it work?

client/controller: record context error and add slowlog about token bucket
- record low process start time, and log it if it's too slow
- record the context error
- fix the leak problem if the context is canceled

Check List

Tests

Unit test
Integration test
Manual test (add detailed scripts or steps below)
No code

Release note

None.

ti-chi-bot[bot] commented 3 days ago

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