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There is no change in the semantics of this API. It deletes records until the given offset if possible. This is equivalent to updating logStartOffset of the partition log with the given offset if it is greater than the current log-start-offset and it is less than or equal to high-watermark. If needed, it will clean remote logs asynchronously after updating the log-start-offset of the log. RLMTask for leader partition periodically checks whether there are remote log segments earlier to logStartOffset and the respective remote log segment metadata and data are deleted by using RLMM and RSM.

ListOffsets

ListOffsets API gives the offset(s) for the given timestamp either by looking into the local log or remote log time indexes. 

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LogStartOffset of a topic can be in local or in remote storagepoint to either of local segment or remote segment but it is initialised and maintained in the Log class like now. This is already maintained in `Log` class while loading the logs and it can also be fetched from RemoteLogMetadataManager.  

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