saintstack commented on a change in pull request #528: HBASE-22890 Verify the
files when RegionServer is starting and BucketCache is in file mode
URL: https://github.com/apache/hbase/pull/528#discussion_r324430873
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/FileIOEngine.java
##########
@@ -19,46 +19,96 @@
package org.apache.hadoop.hbase.io.hfile.bucket;
import java.io.File;
+import java.io.FileInputStream;
import java.io.IOException;
+import java.io.ObjectInputStream;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.ClosedByInterruptException;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.FileChannel;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.concurrent.locks.ReentrantLock;
import com.google.common.annotations.VisibleForTesting;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
+import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.util.Shell;
import org.apache.hadoop.util.StringUtils;
/**
* IO engine that stores data to a file on the local file system.
*/
@InterfaceAudience.Private
-public class FileIOEngine implements IOEngine {
+public class FileIOEngine implements PersistentIOEngine {
private static final Log LOG = LogFactory.getLog(FileIOEngine.class);
public static final String FILE_DELIMITER = ",";
+ private static final DuFileCommand du = new DuFileCommand(new String[]
{"du", ""});
+
private final String[] filePaths;
private final FileChannel[] fileChannels;
private final RandomAccessFile[] rafs;
private final ReentrantLock[] channelLocks;
private final long sizePerFile;
private final long capacity;
+ private final String algorithmName;
+ private boolean isOldVersion;
Review comment:
s/isOldVersion/oldVersion/
isOldVersion is name you'd use for the method that returns this boolean.
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