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YARN-10320.Replace FSDataInputStream#read with readFully in Log Aggregation (#4486) 

* YARN-10320.Replace FSDataInputStream#read with readFully in Log Aggregation

Co-authored-by: Ashutosh Gupta <ashugpt@amazon.com>
This commit is contained in:
Ashutosh Gupta 2022-06-23 17:28:32 +01:00 committed by GitHub
parent 0af4bb3b42
commit 4abb2ba58c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 5 deletions
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15
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/filecontroller/ifile/LogAggregationIndexedFileController.java
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@ -282,7 +282,8 @@ public class LogAggregationIndexedFileController
checksumFileInputStream = fc.open(remoteLogCheckSumFile);
int nameLength = checksumFileInputStream.readInt();
byte[] b = new byte[nameLength];
int actualLength = checksumFileInputStream.read(b);
checksumFileInputStream.readFully(b);
int actualLength = b.length;
if (actualLength == nameLength) {
String recoveredLogFile = new String(
b, Charset.forName("UTF-8"));
@ -765,7 +766,8 @@ public class LogAggregationIndexedFileController
checksumFileInputStream = fc.open(file.getPath());
int nameLength = checksumFileInputStream.readInt();
byte[] b = new byte[nameLength];
int actualLength = checksumFileInputStream.read(b);
checksumFileInputStream.readFully(b);
int actualLength = b.length;
if (actualLength == nameLength) {
nodeName = new String(b, Charset.forName("UTF-8"));
index = checksumFileInputStream.readLong();
@ -799,7 +801,8 @@ public class LogAggregationIndexedFileController
checksumFileInputStream = fileContext.open(file.getPath());
int nameLength = checksumFileInputStream.readInt();
byte[] b = new byte[nameLength];
int actualLength = checksumFileInputStream.read(b);
checksumFileInputStream.readFully(b);
int actualLength = b.length;
if (actualLength == nameLength) {
nodeName = new String(b, StandardCharsets.UTF_8);
index = checksumFileInputStream.readLong();
@ -938,7 +941,8 @@ public class LogAggregationIndexedFileController
// Load UUID and make sure the UUID is correct.
byte[] uuidRead = new byte[UUID_LENGTH];
int uuidReadLen = fsDataIStream.read(uuidRead);
fsDataIStream.readFully(uuidRead);
int uuidReadLen = uuidRead.length;
if (this.uuid == null) {
this.uuid = createUUID(appId);
}
@ -1322,7 +1326,8 @@ public class LogAggregationIndexedFileController
.endsWith(CHECK_SUM_FILE_SUFFIX)) {
fsDataInputStream = fc.open(checkPath);
byte[] b = new byte[uuid.length];
int actual = fsDataInputStream.read(b);
fsDataInputStream.readFully(b);
int actual = b.length;
if (actual != uuid.length || Arrays.equals(b, uuid)) {
deleteFileWithRetries(fc, checkPath);
} else if (id == null){