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This article mainly shows you "how to achieve hbase API write operation", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "how to achieve hbase API write operation" this article.

SetAutoFlush (flase)

Disable automatic refresh of HTable

If it is not closed, the put instance will be transferred to the region server one by one; when closed, HTable.put (Put) will be written to the cache until the write buffer is filled up. Can display the write data, flushCommits () method. The close () method of the HTable instance also implicitly calls flushCommits ()

For relatively unimportant data, WAL can improve the performance of data writing by calling the Put.setWriteToWAL (false) or Delete.setWriteToWAL (false) function to discard writing WAL logs during the Put/Delete operation.

Important data, it is best to write WAL, when focusing on throughput, use batch import. (Bulk load)

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