linyiqun commented on a change in pull request #1430:
URL: https://github.com/apache/hadoop-ozone/pull/1430#discussion_r492798607
##########
File path:
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
##########
@@ -994,6 +1005,45 @@ public static boolean omInit(OzoneConfiguration conf)
throws IOException,
}
}
+ public boolean applyAllPendingTransactions()
+ throws InterruptedException, IOException {
+
+ if (!isRatisEnabled) {
+ LOG.info("Ratis not enabled. Nothing to do.");
+ return true;
+ }
+
+ String purgeConfig = omRatisServer.getServer()
+ .getProperties().get(PURGE_UPTO_SNAPSHOT_INDEX_KEY);
+ if (!Boolean.parseBoolean(purgeConfig)) {
+ throw new IllegalStateException("Cannot prepare OM for Upgrade since " +
+ "raft.server.log.purge.upto.snapshot.index is not true");
+ }
+
+ waitForAllTxnsApplied(omRatisServer.getOmStateMachine(),
+ omRatisServer.getRaftGroup(),
+ (RaftServerProxy) omRatisServer.getServer(),
+ TimeUnit.MINUTES.toSeconds(5));
Review comment:
>Also in 5 minutes I would expect in all cases that the unapplied
transactions can be applied, as the number of this kind of transactions should
not be too much as far as I know, or if it is then the system is not healthy
anyway.
I'm okay to let 5 mins as current threshold wait time, only one minor
comment: can we define a variable for this time value rather hard-coded in
method here?
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