maheshk114 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_r266751216
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File path: ql/src/java/org/apache/hadoop/hive/ql/parse/repl/CopyUtils.java
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@@ -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:
i think instead of assert putting a log is better option as the scenario is
handled
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