PCSM-312 connection pool size configurable - #63
Open
rasika-chivate wants to merge 35 commits into
Open
rasika-chivate wants to merge 35 commits into
rasika-chivate wants to merge 35 commits into
Conversation
Contributor
There was a problem hiding this comment.
Pull request overview
Adds documentation for configuring MongoDB client connection pool sizing via the maxPoolSize URI option, to help operators tune PCSM clone throughput and avoid pool-related bottlenecks.
Changes:
- Documents
maxPoolSizesupport and where to set it (--source/--targetURIs orPCSM_SOURCE_URI/PCSM_TARGET_URI). - Provides URI syntax examples and describes default/unlimited behaviors.
- Adds operational recommendations relating pool size to clone worker configuration.
💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
nastena1606
temporarily deployed
to
PCSM-312-connection-pool-size-configurable - plm-docs PR #63
June 26, 2026 07:38 — with 
Render
Destroyed
Render
Destroyed
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
…github.com/percona/pcsm-docs into PCSM-312-connection-pool-size-configurable
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
nastena1606
temporarily deployed
to
PCSM-312-connection-pool-size-configurable - plm-docs PR #63
June 26, 2026 08:10 — with
Render
Destroyed
Render
Destroyed
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
nastena1606
temporarily deployed
to
PCSM-312-connection-pool-size-configurable - plm-docs PR #63
June 26, 2026 08:10 — with
Render
Destroyed
Render
Destroyed
rasika-chivate
temporarily deployed
to
PCSM-312-connection-pool-size-configurable - pcsm-docs PR #63
June 26, 2026 08:10 — with
Render
Destroyed
Render
Destroyed
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
…github.com/percona/pcsm-docs into PCSM-312-connection-pool-size-configurable
nastena1606
temporarily deployed
to
PCSM-312-connection-pool-size-configurable - plm-docs PR #63
June 26, 2026 09:16 — with
Render
Destroyed
Render
Destroyed
rasika-chivate
temporarily deployed
to
PCSM-312-connection-pool-size-configurable - pcsm-docs PR #63
June 26, 2026 09:16 — with
Render
Destroyed
Render
Destroyed
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
nastena1606
temporarily deployed
to
PCSM-312-connection-pool-size-configurable - plm-docs PR #63
June 26, 2026 10:48 — with
Render
Destroyed
Render
Destroyed
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
chupe
reviewed
Jun 30, 2026
Co-authored-by: Adnan <chupe@chupe.ba>
chupe
approved these changes
Jul 3, 2026
chupe
reviewed
Sep 17, 2026
Comment on lines
+83
to
+92
| 2026-06-24 15:16:40.691 INF Percona ClusterSync for MongoDB v0.10.0 3eb82dd 2026-06-24_09:36_UTC | ||
| 2026-06-24 15:16:40.692 INF Config: source client compressors: [snappy zstd zlib] s=connect | ||
| 2026-06-24 15:16:40.692 INF Config: source client maxPoolSize: 500 s=connect | ||
| 2026-06-24 15:16:40.711 INF Connected to source cluster [Percona Server for MongoDB 8.0.16-5]: mongodb://rs00:30000 | ||
| 2026-06-24 15:16:40.711 INF Config: target client compressors: [snappy zstd zlib] s=connect | ||
| 2026-06-24 15:16:40.711 INF Config: target client maxPoolSize: 100 (driver default) s=connect | ||
| 2026-06-24 15:16:40.724 INF Connected to target cluster [Percona Server for MongoDB 8.0.16-5]: mongodb://rs10:30100 | ||
| 2026-06-24 15:16:40.728 INF Checking Recovery Data for "pcsm" s=recovery | ||
| 2026-06-24 15:16:40.729 INF Recovery Data not found s=recovery | ||
| 2026-06-24 15:16:40.729 INF Starting HTTP server at http://localhost:2242 |
Contributor
There was a problem hiding this comment.
These samples use the pre-0.10.0 timestamp format. #69 switches PCSM to RFC 3339 UTC and restamps every log sample in the docs, and this section is marked 0.10.0, so these would ship stale. Can we restamp these and any other examples in the right format eg. 2026-06-24T15:16:40.691Z?
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
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.
Add documentation for the connection pool size configuration.
For details, see the following ticket:
https://perconadev.atlassian.net/browse/PCSM-312