EdColeman commented on code in PR #3230:
URL: https://github.com/apache/accumulo/pull/3230#discussion_r1130223681
##########
server/manager/src/main/java/org/apache/accumulo/manager/upgrade/PreUpgradeValidation.java:
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@@ -117,4 +141,114 @@ private void fail(Exception e) {
System.exit(1);
}
+ private void validateTableLocks(final ServerContext context) {
+
+ final ZooReaderWriter zrw = context.getZooReaderWriter();
+ final ZooKeeper zk = zrw.getZooKeeper();
+ final String rootPath = context.getZooKeeperRoot();
+ final String tserverLockRoot = rootPath + Constants.ZTSERVERS;
+
+ log.debug("Looking for locks that may be from previous version in path:
{}", tserverLockRoot);
+
+ AtomicInteger errorCount = new AtomicInteger(0);
+
+ List<Pair<HostAndPort,ServiceLock.ServiceLockPath>> hostsWithLocks =
+ gatherLocks(zk, tserverLockRoot);
+
+ // try a thrift call to the hosts - hosts running previous versions will
fail the call
+ ThreadPoolExecutor lockCheckPool =
ThreadPools.getServerThreadPools().createThreadPool(8, 32,
+ 10, MINUTES, "update-lock-check", false);
+ try {
+ Future<?> f = lockCheckPool.submit(() ->
hostsWithLocks.parallelStream().forEach(p -> {
Review Comment:
reworked in a2839d07c704a8
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