sankarh commented on a change in pull request #569: HIVE-21446 : Hive Server
going OOM during hive external table replications
URL: https://github.com/apache/hive/pull/569#discussion_r266726914
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/parse/repl/CopyUtils.java
##########
@@ -57,30 +57,37 @@
private final long maxNumberOfFiles;
private final boolean hiveInTest;
private final String copyAsUser;
+ private FileSystem destinationFs;
- public CopyUtils(String distCpDoAsUser, HiveConf hiveConf) {
+ public CopyUtils(String distCpDoAsUser, HiveConf hiveConf, FileSystem
destinationFs) {
this.hiveConf = hiveConf;
maxNumberOfFiles =
hiveConf.getLongVar(HiveConf.ConfVars.HIVE_EXEC_COPYFILE_MAXNUMFILES);
maxCopyFileSize =
hiveConf.getLongVar(HiveConf.ConfVars.HIVE_EXEC_COPYFILE_MAXSIZE);
hiveInTest = hiveConf.getBoolVar(HiveConf.ConfVars.HIVE_IN_TEST);
this.copyAsUser = distCpDoAsUser;
+ this.destinationFs = destinationFs;
}
// Used by replication, copy files from source to destination. It is
possible source file is
// changed/removed during copy, so double check the checksum after copy,
// if not match, copy again from cm
- public void copyAndVerify(FileSystem destinationFs, Path destRoot,
+ public void copyAndVerify(Path destRoot,
List<ReplChangeManager.FileInfo> srcFiles) throws
IOException, LoginException, HiveFatalException {
Map<FileSystem, Map< Path, List<ReplChangeManager.FileInfo>>> map =
fsToFileMap(srcFiles, destRoot);
UserGroupInformation proxyUser = getProxyUser();
try {
for (Map.Entry<FileSystem, Map<Path, List<ReplChangeManager.FileInfo>>>
entry : map.entrySet()) {
- FileSystem sourceFs = entry.getKey();
Map<Path, List<ReplChangeManager.FileInfo>> destMap = entry.getValue();
for (Map.Entry<Path, List<ReplChangeManager.FileInfo>> destMapEntry :
destMap.entrySet()) {
Path destination = destMapEntry.getKey();
List<ReplChangeManager.FileInfo> fileInfoList =
destMapEntry.getValue();
- boolean useRegularCopy = regularCopy(destinationFs, sourceFs,
fileInfoList);
+ if (fileInfoList.isEmpty()) {
Review comment:
In what scenario, fileInfoList can be empty?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
