bharatviswa504 commented on a change in pull request #986:
URL: https://github.com/apache/hadoop-ozone/pull/986#discussion_r437780671
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File path:
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
##########
@@ -3027,30 +3017,59 @@ public TermIndex installSnapshot(String leaderId) {
DBCheckpoint omDBcheckpoint = getDBCheckpointFromLeader(leaderId);
Path newDBlocation = omDBcheckpoint.getCheckpointLocation();
- // Check if current ratis log index is smaller than the downloaded
- // snapshot index. If yes, proceed by stopping the ratis server so that
- // the OM state can be re-initialized. If no, then do not proceed with
- // installSnapshot.
long lastAppliedIndex = omRatisServer.getLastAppliedTermIndex().getIndex();
- long checkpointSnapshotIndex = omDBcheckpoint.getRatisSnapshotIndex();
- long checkpointSnapshotTermIndex =
- omDBcheckpoint.getRatisSnapshotTerm();
- if (checkpointSnapshotIndex <= lastAppliedIndex) {
- LOG.error("Failed to install checkpoint from OM leader: {}. The last " +
- "applied index: {} is greater than or equal to the checkpoint's " +
- "snapshot index: {}. Deleting the downloaded checkpoint {}",
leaderId,
- lastAppliedIndex, checkpointSnapshotIndex,
- newDBlocation);
- try {
- FileUtils.deleteFully(newDBlocation);
- } catch (IOException e) {
- LOG.error("Failed to fully delete the downloaded DB checkpoint {} " +
- "from OM leader {}.", newDBlocation,
- leaderId, e);
+
+ // Check if current ratis log index is smaller than the downloaded
+ // checkpoint transaction index. If yes, proceed by stopping the ratis
+ // server so that the OM state can be re-initialized. If no, then do not
+ // proceed with installSnapshot.
+
+ OMTransactionInfo omTransactionInfo = null;
+ try {
+ // Set new DB location as DB path
+ OzoneConfiguration tempConfig = getConfiguration();
+
+ Path dbDir = newDBlocation.getParent();
+ if (dbDir != null) {
+ tempConfig.set(OZONE_OM_DB_DIRS, dbDir.toString());
+ } else {
+ LOG.error("Incorrect DB location path {} received from checkpoint.",
+ newDBlocation);
+ return null;
+ }
+
+ OMMetadataManager tempMetadataMgr =
+ new OmMetadataManagerImpl(configuration);
Review comment:
Done. Removed extra config.
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