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08-17-2022
01:09 AM
Hello All, This is an older post which had a few recent followup queries. To close the loop, HBase offers multiple Tools to migrate Data from 1 Cluster to another Cluster like Snapshot, Export-Import, HashTable/SyncTable etc. Most of these Tools relies on MapReduce & uses 1 Mapper per Region of the Source Table. All these Tools works without any concerns. The only part of the ask which can't be answered accurately is the Concurrency/Job Configurations/Mapper Memory etc. These details rely on Customer's Environment Setup & the Bandwidth between the 2 Clusters. As such, Customer can run 1 such HBase MR Job & see the Outcome. Accordingly, Fine-Tune is required. If any issues are observed while performing the above HBase MR Job, Feel free to post the Q in a Community Post for fellow Community Members to review & share their thoughts. Regards, Smarak
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