deniskuzZ commented on code in PR #5649:
URL: https://github.com/apache/hive/pull/5649#discussion_r2019054923
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ql/src/java/org/apache/hadoop/hive/ql/session/SessionState.java:
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@@ -1969,6 +1987,38 @@ public void close() throws IOException {
dynamicVars.clear();
}
+ private static void cleanUpAllSessionStates() {
+ ExecutorService cleanupExecutor = Executors.newCachedThreadPool();
+ try {
+ CompletableFuture<Void> allCleanupTasks =
CompletableFuture.allOf(sessionStates.stream()
+ .map(sessionState -> CompletableFuture.runAsync(() -> {
+ try {
+ LOG.info("Closing session state: {}",
sessionState.getSessionId());
+ sessionState.close();
+ } catch (IOException e) {
+ LOG.error("Problem closing session state", e);
+ }
+ }, cleanupExecutor).exceptionally(e -> {
+ LOG.error("Error closing session state", e);
+ return null;
+ })).toArray(CompletableFuture[]::new));
+ try {
+ allCleanupTasks.get(60, TimeUnit.SECONDS);
+ } catch (Exception e) {
+ LOG.error("Failed to close all session states", e);
+ }
+ } finally {
+ cleanupExecutor.shutdown();
Review Comment:
why do you need a graceful shutdown if at this point all tasks either
completed successfully or timed out?
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