rishabhdaim commented on code in PR #1328:
URL: https://github.com/apache/jackrabbit-oak/pull/1328#discussion_r1511357714
##########
oak-run/src/main/java/org/apache/jackrabbit/oak/run/RevisionsCommand.java:
##########
@@ -32,6 +37,7 @@
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.stream.Collectors;
Review Comment:
Not used inside code. Please remove this.
##########
oak-run/src/main/java/org/apache/jackrabbit/oak/run/RevisionsCommand.java:
##########
@@ -74,15 +89,18 @@ public class RevisionsCommand implements Command {
private static final Logger LOG =
LoggerFactory.getLogger(RevisionsCommand.class);
+ private static final int REVISION_CAP = getInteger("oak.revision.cap",
250);
+
private static final String USAGE = Joiner.on(System.lineSeparator()).join(
"revisions {<jdbc-uri> | <mongodb-uri>} <sub-command> [options]",
"where sub-command is one of",
" info give information about the revisions state without
performing",
" any modifications",
- " collect perform garbage collection",
- " reset clear all persisted metadata",
- " sweep clean up uncommitted changes",
- " detailedGC perform detailed garbage collection i.e. remove
unmerged branch commits, old revisions, deleted properties etc"
+ " collect perform garbage collection",
+ " reset clear all persisted metadata",
+ " sweep clean up uncommitted changes",
+ " detailedGC perform detailed garbage collection i.e. remove
unmerged branch commits, old revisions, deleted properties etc",
+ " pathCleanup clean up old/unused revisions and unmerged
branch commits on a specific path"
Review Comment:
we are removing whole detailed garbage here. I would change this description
to reflect that it is performing detailedGC on given path.
##########
oak-run/src/main/java/org/apache/jackrabbit/oak/run/RevisionsCommand.java:
##########
@@ -460,6 +479,55 @@ private void sweep(RevisionsOptions options, Closer closer)
SweepHelper.sweep(store, new RevisionContextWrapper(ns, clusterId),
seeker);
}
+ private void pathCleanup(RevisionsOptions options, Closer closer) throws
IOException {
+ String path = options.getPath();
+ if (path == null || path.isEmpty()) {
+ System.err.println("path option is required for " +
RevisionsOptions.CMD_CLEANUP + " command");
+ return;
+ }
+
+ DocumentNodeStoreBuilder<?> builder = createDocumentMKBuilder(options,
closer);
+ if (builder == null) {
+ System.err.println("revisions mode only available for
DocumentNodeStore");
+ return;
+ }
+
+ DocumentStore documentStore = builder.getDocumentStore();
+ builder.setReadOnlyMode();
+ useMemoryBlobStore(builder);
+ DocumentNodeStore documentNodeStore = builder.build();
+ String id =
org.apache.jackrabbit.oak.plugins.document.util.Utils.getIdFromPath(path);
+ NodeDocument workingDocument = documentStore.find(NODES, id);
+ //NodeDocumentRevisionCleaner revisionCleaner = new
NodeDocumentRevisionCleaner(documentNodeStore, workingDocument);
+
+ VersionGarbageCollector gc = bootstrapVGC(options, closer, true);
+ // Set a LoggingGC monitor that will output the detailedGC operations
+ gc.setGCMonitor(new LoggingGCMonitor(LOG));
+ // Run detailedGC on the given document
+ UpdateOp op = gc.collectGarbageOnDocument(documentNodeStore,
workingDocument);
Review Comment:
Returning `UpdateOp` from detailedGC and handling deletion here is not a
good idea, cause we might need to duplicate the code written in
`DetailedGC.removeGarbage()` OR we might miss something.
In this case, we are missing orphan nodes cause they are handled differently
in `detailedGC.removeGarbage()`.
I would delegate the collection & removal of garbage to DetailedGC itself.
##########
oak-run/src/main/java/org/apache/jackrabbit/oak/run/RevisionsCommand.java:
##########
@@ -23,6 +23,11 @@
import java.io.IOException;
import java.util.List;
import java.util.Locale;
+import java.util.Map;
+import java.util.Scanner;
+import java.util.SortedMap;
+import java.util.TreeMap;
+import java.util.TreeSet;
Review Comment:
please remove these un-used imports.
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