hemantk-12 commented on code in PR #4376:
URL: https://github.com/apache/ozone/pull/4376#discussion_r1139462258
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/snapshot/SnapshotDiffManager.java:
##########
@@ -92,6 +107,37 @@ public SnapshotDiffManager(ManagedRocksDB db,
// Need for Diff Report
this.codecRegistry.addCodec(DiffReportEntry.class,
new OmDBDiffReportEntryCodec());
+ isNativeRocksToolsLoaded = NativeLibraryLoader.getInstance()
+ .loadLibrary(NativeConstants.ROCKS_TOOLS_NATIVE_LIBRARY_NAME);
+ if (isNativeRocksToolsLoaded) {
+ try {
+ initSSTDumpTool(configuration);
+ isNativeRocksToolsLoaded = true;
+ } catch (NativeLibraryNotLoadedException e) {
+ LOG.error("Unable to load SSTDumpTool ", e);
+ isNativeRocksToolsLoaded = false;
+ }
+ }
+ }
+
+ private void initSSTDumpTool(OzoneConfiguration conf)
+ throws NativeLibraryNotLoadedException {
+ int threadPoolSize = conf.getInt(
+ OzoneConfigKeys.OZONE_OM_SNAPSHOT_SST_DUMPTOOL_EXECUTOR_POOL_SIZE,
+ OzoneConfigKeys
+
.OZONE_OM_SNAPSHOT_SST_DUMPTOOL_EXECUTOR_POOL_SIZE_DEFAULT);
+ int bufferSize = (int)conf.getStorageSize(
+
OzoneConfigKeys.OZONE_OM_SNAPSHOT_SST_DUMPTOOL_EXECUTOR_BUFFER_SIZE,
+ OzoneConfigKeys
+ .OZONE_OM_SNAPSHOT_SST_DUMPTOOL_EXECUTOR_BUFFER_SIZE_DEFAULT,
+ StorageUnit.BYTES);
+ ExecutorService executorService = new ThreadPoolExecutor(0,
+ threadPoolSize, 60, TimeUnit.SECONDS,
+ new SynchronousQueue<>(), new ThreadFactoryBuilder()
Review Comment:
FYI:
[SynchronousQueue](https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/SynchronousQueue.html)
is unbounded queue and can cause memory pressure.
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