GeorgeJahad commented on code in PR #3947:
URL: https://github.com/apache/ozone/pull/3947#discussion_r1037675706
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hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/scm/ReconStorageContainerManagerFacade.java:
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@@ -411,22 +460,102 @@ private void initializeSCMDB() {
}
} catch (IOException e) {
LOG.error("Exception encountered while getting SCM DB.");
+ } finally {
+ isSyncDataFromSCMRunning.compareAndSet(true, false);
}
}
public void updateReconSCMDBWithNewSnapshot() throws IOException {
- DBCheckpoint dbSnapshot = scmServiceProvider.getSCMDBSnapshot();
- if (dbSnapshot != null && dbSnapshot.getCheckpointLocation() != null) {
- LOG.info("Got new checkpoint from SCM : " +
- dbSnapshot.getCheckpointLocation());
+ if (isSyncDataFromSCMRunning.compareAndSet(false, true)) {
+ DBCheckpoint dbSnapshot = scmServiceProvider.getSCMDBSnapshot();
+ if (dbSnapshot != null && dbSnapshot.getCheckpointLocation() != null) {
+ LOG.info("Got new checkpoint from SCM : " +
+ dbSnapshot.getCheckpointLocation());
+ try {
+ initializeNewRdbStore(dbSnapshot.getCheckpointLocation().toFile());
+ } catch (IOException e) {
+ LOG.error("Unable to refresh Recon SCM DB Snapshot. ", e);
+ }
+ } else {
+ LOG.error("Null snapshot location got from SCM.");
+ }
+ } else {
+ LOG.warn("SCM DB sync is already running.");
+ }
+ }
+
+ public boolean syncWithSCMContainerInfo()
Review Comment:
It would be nice to have a unit test for this method.
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