Raft: Add identifier to logger when wait index happens(release-7.1)

[JaySon-Huang]

manual cherry-pick of #8446

What problem does this PR solve?

Issue Number: close #8448, close #8076

Problem Summary:

What is changed and how it works?

logging after this PR will print the "source=request_identifier" into logging, along with the index info and time elapsed

[2023/11/30 21:51:23.688 +08:00] [DEBUG] [LearnerReadWorker.cpp:317] ["[Learner Read] Batch read index, num_regions=1 num_requests=1 num_stale_read=0 num_cached_index=0 num_unavailable=0 cost=2ms"] [source="MPP<gather_id:1, query_ts:1701352283678367892, local_query_id:11, server_id:956, start_ts:445999293050388482,task_id:1>"] [thread_id=271]
[2023/11/30 21:51:30.827 +08:00] [INFO] [ReadIndex.cpp:100] ["[region_id=188005] wait learner index done, prev_index=8 curr_index=9 to_wait=9 elapsed_s=7.139 timeout_s=300.000"] [source="MPP<gather_id:1, query_ts:1701352283678367892, local_query_id:11, server_id:956, start_ts:445999293050388482,task_id:1>"] [thread_id=271]
[2023/11/30 21:51:30.827 +08:00] [DEBUG] [LearnerReadWorker.cpp:416] ["[Learner Read] Finish wait index and resolve locks, wait_cost=7139ms n_regions=1 n_unavailable=0"] [source="MPP<gather_id:1, query_ts:1701352283678367892, local_query_id:11, server_id:956, start_ts:445999293050388482,task_id:1>"] [thread_id=271]

Check List

Tests

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

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Fix the issue that the max-quantile metrics are displayed incorrectly on Grafana

[JaySon-Huang]

/run-all-tests

[JaySon-Huang]

/run-all-tests

[CalvinNeo]

lgtm

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CalvinNeo, JinheLin

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• OWNERS [CalvinNeo,JinheLin]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-12-07 02:51:28.672125629 +0000 UTC m=+1668717.337351823: ☑️ agreed by JinheLin.
• 2023-12-07 03:34:51.330529892 +0000 UTC m=+1671319.995756072: ☑️ agreed by CalvinNeo.

[JaySon-Huang]

/cherry-pick release-7.5

[ti-chi-bot]

@JaySon-Huang: new pull request created to branch release-7.5: #8474.

In response to this:

/cherry-pick release-7.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[JaySon-Huang]

/cherry-pick release-6.5

[ti-chi-bot]

@JaySon-Huang: new pull request created to branch release-6.5: #8475.

In response to this:

/cherry-pick release-6.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[JaySon-Huang]

/cherry-pick release-6.1

[ti-chi-bot]

@JaySon-Huang: new pull request created to branch release-6.1: #8476.

In response to this:

/cherry-pick release-6.1

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.