klsince commented on code in PR #9705:
URL: https://github.com/apache/pinot/pull/9705#discussion_r1041312232
##########
pinot-tools/src/main/resources/examples/batch/airlineStats/airlineStats_offline_table_config.json:
##########
@@ -40,5 +42,21 @@
"transformFunction": "fromEpochDays(DaysSinceEpoch)"
}
]
- }
+ },
+ "tierConfigs": [
+ {
Review Comment:
Good question. With tierConfigs set in tableConfig, segments will have
target tier set accordingly, but nothing happens upon getting new tiers.
Because those two configs are needed to turn on the tier migration across
multi-dirs.
```
properties.put("pinot.server.instance.segment.directory.loader",
"tierBased"); // this segment loaders knows how to migrate across data paths on
servers
properties.put("controller.segmentRelocator.enableLocalTierMigration",
"true"); // this tells servers to migrate data paths
```
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