Update trace_log.md #106
Open
Update trace_log.md #106
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
added description
filimonov
reviewed
Sep 21, 2024
| -- get the query_id from the clickhouse-client output or from system.query_log (also pay attention on query_id vs initial_query_id for distributed queries). | ||
| ``` | ||
| 4. Retrieve the query_id from either the clickhouse-client output or from system.query_log (note the difference between query_id and initial_query_id for distributed queries). | ||
| 5. Process the stack traces: |
There was a problem hiding this comment.
There is now also a global profiler, and obe more setting for memory - collecting peaks, and step
Slach
requested changes
Dec 3, 2024
| git clone https://github.com/brendangregg/FlameGraph /opt/flamegraph | ||
| ``` | ||
| 2. Generate a flamegraph from the system.trace_log: |
There was a problem hiding this comment.
this is not the second step with clickhouse-flamegraph, this is different approach
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
added description
I have read the CLA Document and I hereby sign the CLA