1.

Explain Deletion In Hbase? Mention What Are The Three Types Of Tombstone Markers In Hbase?

Answer»

When you delete the cell in HBASE, the data is not actually deleted but a tombstone marker is set, making the deleted CELLS invisible. Hbase deleted are actually REMOVED during compactions.

Three types of tombstone markers are there:

  • VERSION delete marker: For deletion, it marks a single version of a column
  • Column delete marker: For deletion, it marks all the versions of a column
  • FAMILY delete marker: For deletion, it marks of all column for a column family

When you delete the cell in Hbase, the data is not actually deleted but a tombstone marker is set, making the deleted cells invisible. Hbase deleted are actually removed during compactions.

Three types of tombstone markers are there:



Discussion

No Comment Found