HBASE-29447 Fix WAL archives cause incremental backup failures (#7151)
Co-authored-by: Hernan Gelaf-Romer <hgelafromer@hubspot.com>
Signed-off-by: Ray Mattingly <rmattingly@apache.org>
diff --git a/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/WALInputFormat.java b/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/WALInputFormat.java
index 8d6e916..badf581 100644
--- a/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/WALInputFormat.java
+++ b/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/WALInputFormat.java
@@ -318,7 +318,7 @@
for (Path inputPath : inputPaths) {
FileSystem fs = inputPath.getFileSystem(conf);
try {
- List<FileStatus> files = getFiles(fs, inputPath, startTime, endTime);
+ List<FileStatus> files = getFiles(fs, inputPath, startTime, endTime, conf);
allFiles.addAll(files);
} catch (FileNotFoundException e) {
if (ignoreMissing) {
@@ -349,11 +349,11 @@
* equal to this value else we will filter out the file. If name does not seem to
* have a timestamp, we will just return it w/o filtering.
*/
- private List<FileStatus> getFiles(FileSystem fs, Path dir, long startTime, long endTime)
- throws IOException {
+ private List<FileStatus> getFiles(FileSystem fs, Path dir, long startTime, long endTime,
+ Configuration conf) throws IOException {
List<FileStatus> result = new ArrayList<>();
LOG.debug("Scanning " + dir.toString() + " for WAL files");
- RemoteIterator<LocatedFileStatus> iter = fs.listLocatedStatus(dir);
+ RemoteIterator<LocatedFileStatus> iter = listLocatedFileStatus(fs, dir, conf);
if (!iter.hasNext()) {
return Collections.emptyList();
}
@@ -361,7 +361,7 @@
LocatedFileStatus file = iter.next();
if (file.isDirectory()) {
// Recurse into sub directories
- result.addAll(getFiles(fs, file.getPath(), startTime, endTime));
+ result.addAll(getFiles(fs, file.getPath(), startTime, endTime, conf));
} else {
addFile(result, file, startTime, endTime);
}
@@ -396,4 +396,28 @@
TaskAttemptContext context) throws IOException, InterruptedException {
return new WALKeyRecordReader();
}
+
+ /**
+ * Attempts to return the {@link LocatedFileStatus} for the given directory. If the directory does
+ * not exist, it will check if the directory is an archived log file and try to find it
+ */
+ private static RemoteIterator<LocatedFileStatus> listLocatedFileStatus(FileSystem fs, Path dir,
+ Configuration conf) throws IOException {
+ try {
+ return fs.listLocatedStatus(dir);
+ } catch (FileNotFoundException e) {
+ if (AbstractFSWALProvider.isArchivedLogFile(dir)) {
+ throw e;
+ }
+
+ LOG.warn("Log file {} not found, trying to find it in archive directory.", dir);
+ Path archiveFile = AbstractFSWALProvider.findArchivedLog(dir, conf);
+ if (archiveFile == null) {
+ LOG.error("Did not find archive file for {}", dir);
+ throw e;
+ }
+
+ return fs.listLocatedStatus(archiveFile);
+ }
+ }
}
diff --git a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALInputFormat.java b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALInputFormat.java
index 70602a3..930c8d1 100644
--- a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALInputFormat.java
+++ b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALInputFormat.java
@@ -21,24 +21,43 @@
import java.util.ArrayList;
import java.util.List;
+import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.LocatedFileStatus;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseClassTestRule;
+import org.apache.hadoop.hbase.HBaseTestingUtil;
+import org.apache.hadoop.hbase.HConstants;
+import org.apache.hadoop.hbase.regionserver.HRegionServer;
+import org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL;
import org.apache.hadoop.hbase.testclassification.MapReduceTests;
-import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
+import org.apache.hadoop.hbase.util.CommonFSUtils;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
+import org.apache.hadoop.mapreduce.InputSplit;
+import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.mapreduce.JobContext;
+import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
+import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.Mockito;
-@Category({ MapReduceTests.class, SmallTests.class })
+@Category({ MapReduceTests.class, MediumTests.class })
public class TestWALInputFormat {
+ private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
+
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestWALInputFormat.class);
+ @BeforeClass
+ public static void setupClass() throws Exception {
+ TEST_UTIL.startMiniCluster();
+ TEST_UTIL.createWALRootDir();
+ }
+
/**
* Test the primitive start/end time filtering.
*/
@@ -74,4 +93,36 @@
WALInputFormat.addFile(lfss, lfs, now, now);
assertEquals(8, lfss.size());
}
+
+ @Test
+ public void testHandlesArchivedWALFiles() throws Exception {
+ Configuration conf = TEST_UTIL.getConfiguration();
+ JobContext ctx = Mockito.mock(JobContext.class);
+ Mockito.when(ctx.getConfiguration()).thenReturn(conf);
+ Job job = Job.getInstance(conf);
+ TableMapReduceUtil.initCredentialsForCluster(job, conf);
+ Mockito.when(ctx.getCredentials()).thenReturn(job.getCredentials());
+
+ // Setup WAL file, then archive it
+ HRegionServer rs = TEST_UTIL.getHBaseCluster().getRegionServer(0);
+ AbstractFSWAL wal = (AbstractFSWAL) rs.getWALs().get(0);
+ Path walPath = wal.getCurrentFileName();
+ TEST_UTIL.getConfiguration().set(FileInputFormat.INPUT_DIR, walPath.toString());
+ TEST_UTIL.getConfiguration().set(WALPlayer.INPUT_FILES_SEPARATOR_KEY, ";");
+
+ Path rootDir = CommonFSUtils.getWALRootDir(conf);
+ Path archiveWal = new Path(rootDir, HConstants.HREGION_OLDLOGDIR_NAME);
+ archiveWal = new Path(archiveWal, walPath.getName());
+ TEST_UTIL.getTestFileSystem().delete(walPath, true);
+ TEST_UTIL.getTestFileSystem().mkdirs(archiveWal.getParent());
+ TEST_UTIL.getTestFileSystem().create(archiveWal).close();
+
+ // Test for that we can read from the archived WAL file
+ WALInputFormat wif = new WALInputFormat();
+ List<InputSplit> splits = wif.getSplits(ctx);
+ assertEquals(1, splits.size());
+ WALInputFormat.WALSplit split = (WALInputFormat.WALSplit) splits.get(0);
+ assertEquals(archiveWal.toString(), split.getLogFileName());
+ }
+
}
