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https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/filter/FamilyFilter.html
@Public public class FamilyFilter extends CompareFilter
This filter is used to filter based on the column family. It takes an operator (equal, greater, not equal, etc) and a byte [] comparator for the column family portion of a key.
This
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/filter/BinaryComparator.html
A binary comparator which lexicographically compares against the specified byte array using Bytes.compareTo(byte[], byte[]).
Since:
Modifier and Type
int
int
byte[]
Methods inherited from class org.apache.hadoop.hbase.filter.
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/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/filter/ColumnRangeFilter.html
This filter is used for selecting only those keys with columns that are between minColumn to maxColumn. For example, if minColumn is 'an', and maxColumn is 'be', it will pass keys with columns like 'ana', 'bad', but not keys with columns
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/filter/FilterList.html
@Public public final class FilterList extends FilterBase
Implementation of Filter that represents an ordered List of Filters which will be evaluated with a specified boolean operator FilterList.Operator.MUST_PASS_ALL (AND) or FilterList.
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/io/hfile/CombinedBlockCache.html
Since HBASE-29249, CacheConfig implements PropagatingConfigurationObserver and registers itself together with the used BlockCache implementation for notifications of dynamic configuration changes
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.html
Simple implementation of region normalizer. Logic in use:
Get all regions of a given table
Get avg size S of the regions in the table (by total size of store files reported in RegionMetrics)
For each region R0, if R0 is bigger than S * 2
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/io/hfile/CacheConfig.html
Stores all of the cache objects and configuration for a single HFile.
Field Summary
private final ByteBuffAllocator
static final String
static final String
static final String
static final String
static final String
static final String
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/util/RegionSplitter.UniformSplit.html
SplitAlgorithm
In HBase, the first row is represented by an empty byte array
https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/client/RegionInfo.html
toDelimitedByteArray
static byte[] toDelimitedByteArray(RegionInfo