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pvary merged 4 commits into from
Jan 25, 2022
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Docs: Add section to include instructions for Hive on Tez #3944

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fe2e6e0
add section to include instructions for hive on tez
jqysn Jan 21, 2022
b8feb52
fix wording
jqysn Jan 24, 2022
6909268
change hive version to 3.1.2
jqysn Jan 24, 2022
20542de
refactor the wording structure
jqysn Jan 25, 2022
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9 changes: 9 additions & 0 deletions site/docs/hive.md
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Expand Up @@ -72,6 +72,15 @@ catalog.createTable(tableId, schema, spec, tableProperties);

The table level configuration overrides the global Hadoop configuration.

#### Hive on Tez configuration

To use Tez engine on Hive, Tez needs to be upgraded to >= `0.10.1` to contain the fix [Tez-4248](https://issues.apache.org/jira/browse/TEZ-4248).

@massdosage massdosage Jan 21, 2022

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To use Tez engine on Hive, Tez needs to be upgraded to >= `0.10.1` to contain the fix [Tez-4248](https://issues.apache.org/jira/browse/TEZ-4248).
To use the Tez engine on Hive, Tez needs to be upgraded to >= `0.10.1` which contains a necessary fix [Tez-4248](https://issues.apache.org/jira/browse/TEZ-4248).

@massdosage massdosage Jan 21, 2022

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Is the above for Hive >=3? If so, probably worth mentioning it. Does this also mean you need to override the Tez jar files that come with the standard Hive installation?

@0xffmeta 0xffmeta Jan 24, 2022

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According to Tez-4100, the Tez 0.10.1 release should be working with Hadoop 3.1.3. And for standard Hive installation (default Tez version should be 0.9.2), the Tez jar file needs to be patched. I'll add a comment for that.


!!! Warning
For Hive `2.3.x`, need to manual build from Tez `branch-0.9` for compatibility issue in Tez `0.10.1`.

@massdosage massdosage Jan 21, 2022

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For Hive `2.3.x`, need to manual build from Tez `branch-0.9` for compatibility issue in Tez `0.10.1`.
For Hive `2.3.x`, you will need to manually build Tez from the `branch-0.9` branch due to a backwards incompatibility issue with Tez `0.10.1`.

@massdosage massdosage Jan 21, 2022

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So if I understand correctly, Hive 2.x only works with Tez 0.9.x and not 0.10.x? And therefore one needs to compile and build a specific version of Tez oneself (from that branch?) and then override the version that comes with Hive 2.3.x?

@0xffmeta 0xffmeta Jan 24, 2022

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Correct.


And also set the hive config `tez.mrreader.config.update.properties=hive.io.file.readcolumn.names,hive.io.file.readcolumn.ids`.

@massdosage massdosage Jan 21, 2022

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And also set the hive config `tez.mrreader.config.update.properties=hive.io.file.readcolumn.names,hive.io.file.readcolumn.ids`.
You will also need to set the following property in the Hive configuration: `tez.mrreader.config.update.properties=hive.io.file.readcolumn.names,hive.io.file.readcolumn.ids`.


## Catalog Management

### Global Hive catalog
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