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HBASE-27670 Improve FSUtils to directly obtain FSDataOutputStream (#5064) 

Co-authored-by: alanzhao <alanzhao@126.com>
Signed-off-by: Duo Zhang <zhangduo@apache.org>
(cherry picked from commit 59fdaa28f7)
This commit is contained in:
alan.zhao 2023-03-04 21:46:45 +08:00 committed by Duo Zhang
parent 555bf91f2b
commit 4effc85e44
1 changed files with 10 additions and 18 deletions
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28
hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
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@ -85,7 +85,6 @@ import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.ipc.RemoteException;
import org.apache.hadoop.util.Progressable;
import org.apache.hadoop.util.StringUtils;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
@ -199,27 +198,20 @@ public final class FSUtils {
if (fs instanceof HFileSystem) {
FileSystem backingFs = ((HFileSystem) fs).getBackingFs();
if (backingFs instanceof DistributedFileSystem) {
// Try to use the favoredNodes version via reflection to allow backwards-
// compatibility.
short replication = Short.parseShort(conf.get(ColumnFamilyDescriptorBuilder.DFS_REPLICATION,
String.valueOf(ColumnFamilyDescriptorBuilder.DEFAULT_DFS_REPLICATION)));
try {
return (FSDataOutputStream) (DistributedFileSystem.class
.getDeclaredMethod("create", Path.class, FsPermission.class, boolean.class, int.class,
short.class, long.class, Progressable.class, InetSocketAddress[].class)
.invoke(backingFs, path, perm, true, CommonFSUtils.getDefaultBufferSize(backingFs),
replication > 0 ? replication : CommonFSUtils.getDefaultReplication(backingFs, path),
CommonFSUtils.getDefaultBlockSize(backingFs, path), null, favoredNodes));
} catch (InvocationTargetException ite) {
// Function was properly called, but threw it's own exception.
throw new IOException(ite.getCause());
} catch (NoSuchMethodException e) {
LOG.debug("DFS Client does not support most favored nodes create; using default create");
LOG.trace("Ignoring; use default create", e);
} catch (IllegalArgumentException | SecurityException | IllegalAccessException e) {
LOG.debug("Ignoring (most likely Reflection related exception) " + e);
DistributedFileSystem.HdfsDataOutputStreamBuilder builder =
((DistributedFileSystem) backingFs).createFile(path).recursive().permission(perm)
.create();
if (favoredNodes != null) {
builder.favoredNodes(favoredNodes);
}
if (replication > 0) {
builder.replication(replication);
}
return builder.build();
}
}
return CommonFSUtils.create(fs, path, perm, true);
}