Limit concurrency #329
Draft
Limit concurrency #329
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
This adds a new keyword to AzureBlobFileSystem to limit the number of concurrent connectiouns. See pangeo-forge/pangeo-forge-recipes#227 (comment) for some motivation. In that situation, we had a single FileSystem instance that was generating many concurrent write requests through `.pipe`. So many, that we were seeing memory issues from creating all the BlobClient connections simultaneously. This adds an asyncio.Semaphore instance to the AzureBlobFilesSytem that controls the number of concurrent BlobClient connections. The default of None is backwards-compatible (no limit)
|
Thanks for picking this up! One thing I've learned about since starting this PR, azure-storage-blob already uses the We might want to consider a different keyword (max_clients? max_blob_clients?) so that we can pass through |
|
Hey @TomAugspurger -- That sounds like a great idea. Unit tests were passing in my local. |
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Outdated suggestions cannot be applied.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.
Picking up of #288