MALLOC_CONF for clusterd #33492
Draft
MALLOC_CONF for clusterd #33492
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
antiguru
force-pushed
the
enable_thp
branch
4 times, most recently
from
08fc1f2 to
947520b
Compare
This enables transparent huge pages in jemalloc for clusterd, if enable_transparent_hugepages is enabled at the time we create the cluster replica. Signed-off-by: Moritz Hoffmann <[email protected]>
def-
reviewed
Sep 3, 2025
Contributor
def-
left a comment
def-
left a comment
There was a problem hiding this comment.
Since you've set thp:always in CI, I have triggered a nightly run to see what effect it has: https://buildkite.com/materialize/nightly/builds/13056
Signed-off-by: Moritz Hoffmann <[email protected]>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
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Outdated suggestions cannot be applied.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.
Exposes a feature flag
clusterd_malloc_confthat conditionally sets theMALLOC_CONFenvironment variable for clusterd. An empty value maps toNone, so no env symbol will be set.This allows us to experiment with interesting settings, specifically passing
thp:alwaysto enable hughe pages.