xinghuayu007 commented on a change in pull request #5578:
URL: https://github.com/apache/incubator-doris/pull/5578#discussion_r602980715
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File path:
fs_brokers/apache_hdfs_broker/src/main/java/org/apache/doris/broker/hdfs/FileSystemManager.java
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@@ -268,7 +268,17 @@ public BrokerFileSystem getDistributedFileSystem(String
path, Map<String, String
long currentTime = System.currentTimeMillis();
Random random = new Random(currentTime);
int randNumber = random.nextInt(10000);
- tmpFilePath = "/tmp/." + Long.toString(currentTime) +
"_" + Integer.toString(randNumber);
+ // different kerberos account has different file
+ tmpFilePath = "/tmp/." + principal + "_" +
Long.toString(currentTime) + "_" + Integer.toString(randNumber);
+ // before write keytab content into a tmp file, delete
if in case of old file confusion
+ try {
+ File file = new File(tmpFilePath);
+ if(!file.delete()){
+ logger.warn("delete tmp file:" + tmpFilePath
+ " failed");
+ }
+ } catch (Exception e) {
Review comment:
I think it is no need. If the same file exists, delete it will sucess.
Mostly, the same file will not exist, delete it will failed. It is no need to
warn any information. It is a method to make sure it will create a new file at
any time.
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