Hi, In my reads about HBase, I understand that, The HRegionServer (n time HRegion) use sequence number ( AtomicLong ) to version each key/value stored in WAL.
Please can you give me some details about this notion, for example how HRegionServer create his sequence number, and why we use it. Is't considered as version identifier? Best regards. Noureddine Bouyahiaoui
