avijayanhwx commented on a change in pull request #1430:
URL: https://github.com/apache/hadoop-ozone/pull/1430#discussion_r492976213
##########
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");
+ }
Review comment:
Maybe not. In the Ratis StateMachineUpdater, the takeSnapshot() method
uses this config to purge logs immediately after taking a state machine
snapshot. Hence, I thought that it was good to have a check in place to make
sure no one changes the config from within. I am ok with removing it for now,
and handling snapshot + log purge in HDDS-4268 as a follow up patch.
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