Indhumathi27 commented on a change in pull request #3738:
URL: https://github.com/apache/carbondata/pull/3738#discussion_r419871344
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File path: docs/index-server.md
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@@ -82,6 +82,15 @@ the pruned blocklets which would be further used for result
fetching.
**Note:** Multiple JDBC drivers can connect to the index server to use the
cache.
+## Enabling Size based distribution for Legacy stores
+The default round robin based distribution causes unequal distribution of
cache amoung the executors, which can cause any 1 of the executors to be
bloated with too much cache and cause performance degrade.
+This problem can be solved by running the upgrade_segment command which will
fill the data size values for each segment in the tablestatus file. Any cache
loaded after this can use the traditional size based distribution.
Review comment:
```suggestion
This problem can be solved by running the `upgrade_segment` command which
will fill the data size values for each segment in the tablestatus file. Any
cache loaded after this can use the traditional size based distribution.
```
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