techdocsmith commented on a change in pull request #10748:
URL: https://github.com/apache/druid/pull/10748#discussion_r571158173
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File path: docs/ingestion/native-batch.md
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@@ -192,7 +192,8 @@ that range if there's some stray data with unexpected
timestamps.
|--------|-----------|-------|---------|
|type|The task type, this should always be `index_parallel`.|none|yes|
|inputFormat|[`inputFormat`](./data-formats.md#input-format) to specify how to
parse input data.|none|yes|
-|appendToExisting|Creates segments as additional shards of the latest version,
effectively appending to the segment set instead of replacing it. The current
limitation is that you can append to any datasources regardless of their
original partitioning scheme, but the appended segments should be partitioned
using the `dynamic` partitionsSpec.|false|no|
+|appendToExisting|Creates segments as additional shards of the latest version,
effectively appending to the segment set instead of replacing it. This means
that you can append new segments to any datasource regardless of its original
partitioning scheme.
+`appendToExisting` is incompatible with `forceGuaranteedRollup` and its
associated partitioning types, for example `hashed`. Therefore, you must use
the `dynamic` partitioning type for the appended segments. Otherwise the task
fails with the following error: "forceGuaranteedRollup must be set".|false|no|
Review comment:
thanks for the detailed review @jihoonson . I removed the line break and
mention of error. I think your info can go into a troubleshooting topic on the
forum
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