Replace Foundation scanner implementation #216
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Outdated suggestions cannot be applied.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.
This PR fixes the issue #215.
The memory leak is not
XCLogParser
implementation related, but instead associated with theScanner
object while parsing considerable large files (tested with 243.3MB logs).The initial attempt replaced
Scanner
withSubstrings
(please check commit history). Due to the poor runtime performance, mostly related with protocol witness calls to collection methods, we had to replace with a newScanner
component, implementing a subset of methods for our usages. This new implementation avoids invoking non performanceString
related methods.Taking into account the above mentioned file, we were able to improve performance by around 80% compared to
master
s implementation