HBASE-26826 Backport StoreFileTracker (HBASE-26067, HBASE-26584, and …

…others) to branch-2.5

Post backport fixups for issues identified by precommit tests:
- Error prone
- Checkstyle
- Javadoc

Signed-off-by: Andrew Purtell <[email protected]>

hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java

@@ -2868,10 +2868,10 @@ private Future<Void> internalRestoreSnapshotAsync(final String snapshotName,
       @Override
       protected RestoreSnapshotResponse rpcCall() throws Exception {
         final RestoreSnapshotRequest.Builder builder = RestoreSnapshotRequest.newBuilder()
-            .setSnapshot(snapshot)
-            .setNonceGroup(nonceGroup)
-            .setNonce(nonce)
-            .setRestoreACL(restoreAcl);
+          .setSnapshot(snapshot)
+          .setNonceGroup(nonceGroup)
+          .setNonce(nonce)
+          .setRestoreACL(restoreAcl);
         if (customSFT != null) {
           builder.setCustomSFT(customSFT);
         }

hbase-client/src/main/java/org/apache/hadoop/hbase/client/TableDescriptorBuilder.java

@@ -818,9 +818,8 @@ public ModifyableTableDescriptor removeValue(Bytes key) {
     /**
      * Remove metadata represented by the key from the {@link #values} map
      *
-     * @param key Key whose key and value we're to remove from TableDescriptor
-     * parameters.
-     * @return the modifyable TD
+     * @param key Key whose key and value we're to remove from TableDescriptor parameters
+     * @return the modifiable TD
      */
     public ModifyableTableDescriptor removeValue(final byte[] key) {
       return removeValue(new Bytes(key));

hbase-it/src/test/java/org/apache/hadoop/hbase/mapreduce/IntegrationTestFileBasedSFTBulkLoad.java

@@ -66,7 +66,8 @@
 @Category(IntegrationTests.class)
 public class IntegrationTestFileBasedSFTBulkLoad extends IntegrationTestBulkLoad {
 
-  private static final Logger LOG = LoggerFactory.getLogger(IntegrationTestFileBasedSFTBulkLoad.class);
+  private static final Logger LOG =
+    LoggerFactory.getLogger(IntegrationTestFileBasedSFTBulkLoad.class);
 
   private static String NUM_MAPS_KEY = "hbase.IntegrationTestBulkLoad.numMaps";
   private static String NUM_IMPORT_ROUNDS_KEY = "hbase.IntegrationTestBulkLoad.numImportRounds";

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/AbstractMemStore.java

@@ -232,8 +232,7 @@ public long timeOfOldestEdit() {
   }
 
   /**
-   * This method is protected under {@link HStore#lock} write lock,<br/>
-   * and this method is used by {@link HStore#updateStorefiles} after flushing is completed.<br/>
+   * This method is protected under HStore write lock.<br/>
    * The passed snapshot was successfully persisted; it can be let go.
    * @param id Id of the snapshot to clean out.
    * @see MemStore#snapshot()

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactingMemStore.java

@@ -395,7 +395,7 @@ public String getFamilyName() {
   }
 
   /**
-   * This method is protected under {@link HStore#lock} read lock.
+   * This method is protected under HStore read lock.
    */
   @Override
   public List<KeyValueScanner> getScanners(long readPt) throws IOException {

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java

@@ -2262,7 +2262,8 @@ private void initializeThreads() {
     double brokenStoreFileCleanerDelayJitter = conf.getDouble(
       BrokenStoreFileCleaner.BROKEN_STOREFILE_CLEANER_DELAY_JITTER,
       BrokenStoreFileCleaner.DEFAULT_BROKEN_STOREFILE_CLEANER_DELAY_JITTER);
-    double jitterRate = (ThreadLocalRandom.current().nextDouble() - 0.5D) * brokenStoreFileCleanerDelayJitter;
+    double jitterRate = (ThreadLocalRandom.current().nextDouble() - 0.5D) *
+      brokenStoreFileCleanerDelayJitter;
     long jitterValue = Math.round(brokenStoreFileCleanerDelay * jitterRate);
     this.brokenStoreFileCleaner =
       new BrokenStoreFileCleaner((int) (brokenStoreFileCleanerDelay + jitterValue),

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/SecureBulkLoadManager.java

@@ -364,7 +364,7 @@ public SecureBulkLoadListener(FileSystem fs, String stagingDir, Configuration co
 
     @Override
     public String prepareBulkLoad(final byte[] family, final String srcPath, boolean copyFile,
-      String customStaging ) throws IOException {
+        String customStaging) throws IOException {
       Path p = new Path(srcPath);
 
       //store customStaging for failedBulkLoad

hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/RestoreSnapshotHelper.java

@@ -18,8 +18,6 @@
 
 package org.apache.hadoop.hbase.snapshot;
 
-import static org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerFactory.TRACKER_IMPL;
-
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBulkloadBase.java

@@ -59,10 +59,10 @@
 import org.junit.Rule;
 import org.junit.rules.TemporaryFolder;
 import org.junit.rules.TestName;
-import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
-import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
+import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
+import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos;
 
 @RunWith(Parameterized.class)
 public class TestBulkloadBase {
@@ -135,7 +135,8 @@ protected HRegion testRegionWithFamiliesAndSpecifiedTableName(TableName tableNam
   }
 
   protected HRegion testRegionWithFamilies(byte[]... families) throws IOException {
-    TableName tableName = TableName.valueOf(name.getMethodName().substring(0, name.getMethodName().indexOf("[")));
+    TableName tableName =
+      TableName.valueOf(name.getMethodName().substring(0, name.getMethodName().indexOf("[")));
     return testRegionWithFamiliesAndSpecifiedTableName(tableName, families);
   }
 
@@ -175,7 +176,9 @@ private String createHFileForFamilies(byte[] family) throws IOException {
 
   private static String generateUniqueName(final String suffix) {
     String name = UUID.randomUUID().toString().replaceAll("-", "");
-    if (suffix != null) name += suffix;
+    if (suffix != null) {
+      name += suffix;
+    }
     return name;
   }
 

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMergesSplitsAddToTracker.java

@@ -234,7 +234,6 @@ private void validateDaughterRegionsFiles(HRegion region, String orignalFileName
     List<StoreFileInfo> infos = region.getRegionFileSystem().getStoreFiles("info");
     final MutableBoolean foundLink = new MutableBoolean(false);
     infos.stream().forEach(i -> {
-      i.getActiveFileName().contains(orignalFileName);
       if(i.getActiveFileName().contains(untrackedFile)){
         fail();
       }

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSecureBulkloadListener.java

@@ -17,6 +17,9 @@
  */
 package org.apache.hadoop.hbase.regionserver;
 
+import java.io.IOException;
+import java.util.Random;
+import java.util.UUID;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileSystem;
@@ -42,9 +45,6 @@
 import org.junit.experimental.categories.Category;
 import org.junit.rules.TemporaryFolder;
 import org.junit.rules.TestName;
-import java.io.IOException;
-import java.util.Random;
-import java.util.UUID;
 
 /**
  * Tests for failedBulkLoad logic to make sure staged files are returned to their original location
@@ -232,7 +232,8 @@ public void testDeletedStagedFile() throws Exception {
 
   private String createHFileForFamilies(byte[] family) throws IOException {
     HFile.WriterFactory hFileFactory = HFile.getWriterFactoryNoCache(conf);
-    Path testDir = new Path(dfs.getWorkingDirectory() , new Path(name.getMethodName(), Bytes.toString(family)));
+    Path testDir = new Path(dfs.getWorkingDirectory(),
+      new Path(name.getMethodName(), Bytes.toString(family)));
     if(!dfs.exists(testDir)){
       dfs.mkdirs(testDir);
     }
@@ -257,7 +258,9 @@ private String createHFileForFamilies(byte[] family) throws IOException {
 
   private static String generateUniqueName(final String suffix) {
     String name = UUID.randomUUID().toString().replaceAll("-", "");
-    if (suffix != null) name += suffix;
+    if (suffix != null) {
+      name += suffix;
+    }
     return name;
   }
 

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStripeStoreEngine.java

@@ -36,7 +36,6 @@
 import org.apache.hadoop.hbase.CellComparatorImpl;
 import org.apache.hadoop.hbase.HBaseClassTestRule;
 import org.apache.hadoop.hbase.HBaseConfiguration;
-import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.client.RegionInfoBuilder;
 import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;
 import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/TestDateTieredCompactor.java

@@ -38,7 +38,6 @@
 import org.apache.hadoop.hbase.HBaseClassTestRule;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HColumnDescriptor;
-import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.RegionInfoBuilder;

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/TestStripeCompactor.java

@@ -36,7 +36,6 @@
 import org.apache.hadoop.hbase.HBaseClassTestRule;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HColumnDescriptor;
-import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.RegionInfoBuilder;

hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/MobSnapshotTestingUtils.java

@@ -59,8 +59,9 @@ public static void createMobTable(final HBaseTestingUtility util, final TableNam
       storeFileTracker, families);
   }
 
-  public static void createPreSplitMobTable(final HBaseTestingUtility util, final TableName tableName,
-    int nRegions, final byte[]... families) throws IOException, InterruptedException {
+  public static void createPreSplitMobTable(final HBaseTestingUtility util,
+    final TableName tableName, int nRegions, final byte[]... families)
+    throws IOException, InterruptedException {
     createMobTable(util, tableName, SnapshotTestingUtils.getSplitKeys(nRegions), 1, families);
   }
 
@@ -77,9 +78,9 @@ public static void createMobTable(final HBaseTestingUtility util, final TableNam
     createMobTable(util, tableName, splitKeys, regionReplication, storeFileTracker, null, families);
   }
 
-  public static void createMobTable(HBaseTestingUtility util, TableName tableName, byte[][] splitKeys,
-    int regionReplication, String storeFileTracker, String cpClassName, byte[]... families)
-    throws IOException, InterruptedException {
+  public static void createMobTable(HBaseTestingUtility util, TableName tableName,
+    byte[][] splitKeys, int regionReplication, String storeFileTracker, String cpClassName,
+    byte[]... families) throws IOException, InterruptedException {
     TableDescriptorBuilder builder =
       TableDescriptorBuilder.newBuilder(tableName).setRegionReplication(regionReplication);
     for (byte[] family : families) {