Create a high-performance ORC reader#16
Open
ddrinka wants to merge 147 commits into
Open
Conversation
…nd not the decompressed length.
Fixed bugs discovered by testing. Converted POCOs into records. Made DataFileHelper usable in other assemblies.
Add initial test app.
Fix RLE max values number calculation.
This reverts commit 5b47b6d.
Update unit tests.
Update sample app names.
Optimized reader reviewed
Review sample file columns and apps.
Closed
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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.
The current ORC reading code is slow and allocated often. These changes focus on reducing allocations and batching rows efficiently to produce higher performance and scalability.
Thanks @akasarto for all your work on this.