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# Apache Hadoop Changelog

## Release 2.0.1-alpha - 2012-07-25

### INCOMPATIBLE CHANGES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |
| [HADOOP-8552](https://issues.apache.org/jira/browse/HADOOP-8552) | Conflict: Same security.log.file for multiple users. |  Major | conf, security | Karthik Kambatla | Karthik Kambatla |


### IMPROVEMENTS:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |
| [HDFS-3667](https://issues.apache.org/jira/browse/HDFS-3667) | Add retry support to WebHdfsFileSystem |  Major | webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |


