fe5793b71d
Performance enhancements for archive-dir: * While searching for old checksums, use BSD look [1] (binary search), rather than grep (linear). This requires a docker image with that utility installed. A Dockerfile is included and is meant to be built and pushed to Docker Hub manually as needed. Image name: starlings/jenkins-pipelines-coreutils:TIMESTAMP . * Process all files in parallel. Previously we only calculated checksums in parallel. Timings before & after the patch, using a build with ~100K files and ~300K old checksums (docker + aptly + mirrors): * before patch with JOBS=4: 2 hrs 7 min * this patch with JOBS=4: 26 min * this patch with JOBS=1: 1hr 10 min [1] https://man.openbsd.org/look.1 TESTS ======================= Run "archive-misc" and make sure it copies/links the same files as before the patch. Story: 2010226 Task: 48184 Signed-off-by: Davlet Panech <davlet.panech@windriver.com> Change-Id: I2ad271be673e8499c17a87e9d52864b40e217fc7 |
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