Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Revert couch_lru to using gb_trees #528

Closed
nickva opened this issue May 17, 2017 · 1 comment
Closed

Revert couch_lru to using gb_trees #528

nickva opened this issue May 17, 2017 · 1 comment

Comments

@nickva
Copy link
Contributor

nickva commented May 17, 2017 •
edited
Loading

Recently couch_lru was changed to use ets tables.

During eprof profiling it showed improved performance however recently in a larger test with more concurrent updates and 5000 max dbs open it showed a significant degradation compared to the previous (gb_tree-based) version

lru_cache
nickva added a commit to cloudant/couchdb that referenced this issue May 17, 2017
@nickva
Revert couch_lru to use gb_trees
5c51906 
Recently couch_lru was changed to use an ets tables.

During eprof benchmarks it showed an improvement performance however recently
in a larger test with more concurrent updates and 5000 max dbs open it showed a
significant degradation compared to the previous (gb_tree-based) version.

GH Issue apache#528
@nickva nickva mentioned this issue May 17, 2017
Merged
nickva added a commit to cloudant/couchdb that referenced this issue May 17, 2017
@nickva
Revert couch_lru to use gb_trees
95ded73 
Recently couch_lru was changed to use ets tables.

During eprof profiling it showed improved performance however recently in a
larger test with more concurrent updates and 5000 max dbs open it showed a
significant degradation compared to the previous (gb_tree-based) version.

GH Issue apache#528
nickva added a commit that referenced this issue May 19, 2017
@nickva
Revert couch_lru to use gb_trees
fb6faec 
Recently couch_lru was changed to use ets tables.

During eprof profiling it showed improved performance however recently in a
larger test with more concurrent updates and 5000 max dbs open it showed a
significant degradation compared to the previous (gb_tree-based) version.

GH Issue #528
iilyak pushed a commit to cloudant/couchdb that referenced this issue May 19, 2017
@nickva @iilyak
Revert couch_lru to use gb_trees
d6dcf5c 
Recently couch_lru was changed to use ets tables.

During eprof profiling it showed improved performance however recently in a
larger test with more concurrent updates and 5000 max dbs open it showed a
significant degradation compared to the previous (gb_tree-based) version.

GH Issue apache#528
@wohali
Copy link
Member

wohali commented May 22, 2017

PR #529 closed this.

@wohali wohali closed this as completed May 22, 2017
nickva pushed a commit to nickva/couchdb that referenced this issue Sep 7, 2022
@wohali
3.1.0 release notes (apache#528)
92344c5
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
2 participants
@wohali @nickva