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If the chunk fails and we keep the 'slot' as free, make sure to remove the files from disk #17

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If the chunk fails and we keep the 'slot' as free, make sure to remove the files from disk #17

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4c67f9e
If the chunk fails and we keep the 'slot' as free, make sure to remov…
autata Nov 22, 2024
52083ac
reformat
autata Nov 22, 2024
bfb3406
delete the directory too, not just the files in it
autata Nov 22, 2024
5e24601
GC to clean up file handles
autata Nov 23, 2024
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18 changes: 18 additions & 0 deletions astra/src/main/java/com/slack/astra/chunk/ReadOnlyChunkImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -437,6 +437,12 @@ private void handleChunkAssignment(CacheSlotMetadata cacheSlotMetadata) {
// disregarding any errors
setChunkMetadataState(cacheSlotMetadata, Metadata.CacheSlotMetadata.CacheSlotState.FREE);
LOG.error("Error handling chunk assignment", e);
// also clean up downloaded files if the chunk could not be assigned as we're marking the as
// FREE / available
if (Files.isDirectory(dataDirectory)) {
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There is already a cleanDirectory method in this class that can do this. Can we call that method here?

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Also, can you please add a unit test for this case.

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cleanDirectory only deletes the files in the directory. i used that one first, but it doesn't have the desired result

LOG.info("Deleting directory after failed chunk assignment{}", dataDirectory);
deleteDirectory();
}
assignmentTimer.stop(chunkAssignmentTimerFailure);
} finally {
chunkAssignmentLock.unlock();
Expand Down Expand Up @@ -520,6 +526,18 @@ private void cleanDirectory() {
}
}

private void deleteDirectory() {
if (dataDirectory != null) {
try {
FileUtils.deleteDirectory(dataDirectory.toFile());
} catch (Exception e) {
LOG.error("Error deleting directory {}", dataDirectory.toString(), e);
}
}
// Force garbage collection to release file handles
System.gc();
}

@VisibleForTesting
public Metadata.CacheSlotMetadata.CacheSlotState getChunkMetadataState() {
return cacheSlotMetadataStore.getSync(searchContext.hostname, slotId).cacheSlotState;
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