[improve](jdbc catalog) Improve the speed of writing to postgresql databases #23279
Conversation
This file contains 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
|
run buildall |
|
(From new machine)TeamCity pipeline, clickbench performance test result: |
github-actions
bot
added
the
approved
|
PR approved by at least one committer and no changes requested. |
|
PR approved by anyone and no changes requested. |
liujiwen-up
approved these changes
Aug 21, 2023
yiguolei
pushed a commit
that referenced
this pull request
Aug 22, 2023
…tabases (#23279) reWriteBatchedInserts (boolean) Default false This will change batch inserts from insert into foo (col1, col2, col3) values (1, 2, 3) into insert into foo (col1, col2, col3) values (1, 2, 3), (4, 5, 6) this provides 2-3x performance improvement from https://jdbc.postgresql.org/documentation/use/#reWriteBatchedInserts delete useless parameters useCursorFetch
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Outdated suggestions cannot be applied.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.
Proposed changes
Issue Number: close #xxx
reWriteBatchedInserts (boolean) Default false
This will change batch inserts from insert into foo (col1, col2, col3) values (1, 2, 3) into insert into foo (col1, col2, col3) values (1, 2, 3), (4, 5, 6) this provides 2-3x performance improvement
from https://jdbc.postgresql.org/documentation/use/#reWriteBatchedInserts
delete useless parameters useCursorFetch
Further comments
If this is a relatively large or complex change, kick off the discussion at [email protected] by explaining why you chose the solution you did and what alternatives you considered, etc...