GitHub user simonellistonball opened a pull request: https://github.com/apache/metron/pull/617
METRON-996 Performance improvement for ASA parser Moved the compilation of Grok into initialisation and created a map of Grok instances for each ASA message type. No functional changes, but a significant performance improvement according to perfidix benchmarks (see JIRA). All functional tests related to the parser have been run, performance tests were run manually with a simple Perfidix harness (not included) running the parse method against sample messages taken from the existing unit tests. ## Pull Request Checklist Thank you for submitting a contribution to Apache Metron. Please refer to our [Development Guidelines](https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=61332235) for the complete guide to follow for contributions. Please refer also to our [Build Verification Guidelines](https://cwiki.apache.org/confluence/display/METRON/Verifying+Builds?show-miniview) for complete smoke testing guides. In order to streamline the review of the contribution we ask you follow these guidelines and ask you to double check the following: ### For all changes: - [x] Is there a JIRA ticket associated with this PR? If not one needs to be created at [Metron Jira](https://issues.apache.org/jira/browse/METRON/?selectedTab=com.atlassian.jira.jira-projects-plugin:summary-panel). - [x] Does your PR title start with METRON-XXXX where XXXX is the JIRA number you are trying to resolve? Pay particular attention to the hyphen "-" character. - [x] Has your PR been rebased against the latest commit within the target branch (typically master)? ### For code changes: - [x] Have you included steps to reproduce the behavior or problem that is being changed or addressed? - [x] Have you included steps or a guide to how the change may be verified and tested manually? - [x] Have you ensured that the full suite of tests and checks have been executed in the root incubating-metron folder via: ``` mvn -q clean integration-test install && build_utils/verify_licenses.sh ``` - [x] Have you written or updated unit tests and or integration tests to verify your changes? - [x] Have you verified the basic functionality of the build by building and running locally with Vagrant full-dev environment or the equivalent? You can merge this pull request into a Git repository by running: $ git pull https://github.com/simonellistonball/incubator-metron METRON-996 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/metron/pull/617.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #617 ---- commit 49c4bc63cca8d31e27b5cdee0d2b8787ebefb9be Author: Simon Elliston Ball <si...@simonellistonball.com> Date: 2017-06-11T12:45:18Z Moved compilation of Grok statements into init, and produced a hashmap of Grok instances for each ASA tyype for performance gains commit a095b9ecccaf07442d2bcd767b2a7198ff4dffbc Author: Simon Elliston Ball <si...@simonellistonball.com> Date: 2017-06-11T12:49:26Z Fixed style conventions ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---