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# Apache Hadoop Changelog

## Release 0.9.2 - 2006-12-15

### INCOMPATIBLE CHANGES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### IMPORTANT ISSUES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### NEW FEATURES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### IMPROVEMENTS:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### BUG FIXES:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |
| [HADOOP-827](https://issues.apache.org/jira/browse/HADOOP-827) | turn off speculative execution by default |  Major | . | Owen O'Malley | Owen O'Malley |
| [HADOOP-791](https://issues.apache.org/jira/browse/HADOOP-791) | deadlock issue in taskstracker. |  Major | . | Mahadev konar | Mahadev konar |
| [HADOOP-639](https://issues.apache.org/jira/browse/HADOOP-639) | task cleanup messages can get lost, causing task trackers to keep tasks forever |  Major | . | Owen O'Malley | Arun C Murthy |


### TESTS:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### SUB-TASKS:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


### OTHER:

| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |


