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Clean up more zk parent nodes for stale requests #2243

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merged 1 commit into from
Nov 16, 2021
Merged

Clean up more zk parent nodes for stale requests #2243

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65 changes: 53 additions & 12 deletions SingularityService/src/main/java/com/hubspot/singularity/data/TaskManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1655,18 +1655,59 @@ public SingularityDeleteResult deleteTaskHistory(SingularityTaskId taskId) {
}

public void purgeStaleRequests(List<String> activeRequestIds, long deleteBeforeTime) {
final List<String> requestIds = getChildren(HISTORY_PATH_ROOT);
for (String requestId : requestIds) {
if (!activeRequestIds.contains(requestId)) {
String path = getRequestPath(requestId);
Optional<Stat> maybeStat = checkExists(path);
if (
maybeStat.isPresent() &&
maybeStat.get().getMtime() < deleteBeforeTime &&
getChildren(path).size() == 0
) {
delete(path);
}
getChildren(HISTORY_PATH_ROOT)
.forEach(
(
requestId ->
purgePathForRequest(
activeRequestIds,
deleteBeforeTime,
HISTORY_PATH_ROOT,
requestId
)
)
);
getChildren(LAST_ACTIVE_TASK_STATUSES_PATH_ROOT)
.forEach(
(
requestId ->
purgePathForRequest(
activeRequestIds,
deleteBeforeTime,
LAST_ACTIVE_TASK_STATUSES_PATH_ROOT,
requestId
)
)
);
getChildren(PENDING_PATH_ROOT)
.forEach(
(
requestId ->
purgePathForRequest(
activeRequestIds,
deleteBeforeTime,
PENDING_PATH_ROOT,
requestId
)
)
);
}

private void purgePathForRequest(
List<String> activeRequestIds,
long deleteBeforeTime,
String parentPath,
String requestId
) {
if (!activeRequestIds.contains(requestId)) {
String path = ZKPaths.makePath(parentPath, requestId);
Optional<Stat> maybeStat = checkExists(path);
if (
maybeStat.isPresent() &&
maybeStat.get().getMtime() < deleteBeforeTime &&
getChildren(path).size() == 0
) {
delete(path);
}
}
}
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