S3 uploader + executor cleanup efficiency improvements #2083
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ssalinas
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Mar 19, 2020
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| } catch (UncheckedIOException|NoSuchFileException nsfe) { | ||
| LOG.debug("Parent file {} did not exist, skipping", directory); |
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This is because some directories we scanned contain tmp files, so even though we checked for the directory directly above this, it's possible it got deleted out from under us before we started the filesystem walk
ssalinas
commented
Mar 19, 2020
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| boolean cleanupTaskAppDirectorySuccess = cleanupTaskAppDirectory(); | ||
| boolean logTearDownSuccess = taskLogManager.teardown(); |
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This was the important line to move @baconmania . This shouldn't delete any log files, so the previous logging PR is still in effect. But it moves the task app directory cleanup to the end, so that we don't wait forever to clean logs just because we haven't cleaned taskapp yet
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In looking through the code, there was a path that could cause us to build up an unnecessary amount of open uploaders if a large count of failed tasks ended up on the same host. In the current cleanup setup, because we were preserving the task app directory, we would short circuit before hitting any lines that finalized uploaders, allowing them to run to completion in the S3Uploader. Since the task is finished, there is no reason to keep the uploader files open
This also cleans up a few noisier exceptions and log statements that aren't adding a ton of value across the different runnables