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https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/filter/RowFilter.html
@Public public class RowFilter extends CompareFilter
This filter is used to filter based on the key. It takes an operator (equal, greater, not equal, etc) and a byte [] comparator for the row, and column qualifier portions of a key.
This
https://hbase.apache.org/2.6/devapidocs/org/apache/hadoop/hbase/client/HTable.html
Used to communicate with a single HBase table
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/client/Delete.html
Used to perform Delete operations on a single row.
To delete an entire row, instantiate a Delete object with the row to delete. To further define the scope of what to delete, perform additional methods as outlined below.
To delete
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/wal/WAL.html
A Write Ahead Log (WAL) provides service for reading, writing waledits. This interface provides APIs for WAL users (such as RegionServer) to use the WAL (do append, sync, etc). Note that some internals, such as log rolling and performance
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/client/Scan.html
(package private) Scan
Methods inherited from class org
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.html
@Public public class MultiTableOutputFormat extends org
https://hbase.apache.org/code-of-conduct
Policy
We expect participants in discussions on the HBase project mailing lists, IRC channels, and JIRA issues to abide by the Apache Software Foundation's Code of ConductÂ
https://hbase.apache.org/export-control
Apache HBase uses the built-in java cryptography libraries
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/client/Result.html
A Result is backed by an array of Cell objects, each representing an HBase cell defined by the row, family, qualifier, timestamp, and value
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/client/ColumnFamilyDescriptorBuilder.html
don't expect that setting BLOCKSIZE=4k means hbase data will align with an SSDs 4k page accesses (TODO)
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/util/RegionSplitter.UniformSplit.html
SplitAlgorithm
In HBase, the first row is represented by an empty byte array