<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>HBase_2_ClientMapCacheService</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">HBase_2_ClientMapCacheService</h1><h2>Description: </h2><p>Provides the ability to use an HBase table as a cache, in place of a DistributedMapCache. Uses a HBase_2_ClientService controller to communicate with HBase.</p><h3>Tags: </h3><p>distributed, cache, state, map, cluster, hbase</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><table id="properties"><tr><th>Display Name</th><th>API Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>HBase Cache Table Name</strong></td><td>HBase Cache Table Name</td><td></td><td id="allowable-values"></td><td id="description">Name of the table on HBase to use for the cache.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Authorizations</td><td>hb-lu-authorizations</td><td></td><td id="allowable-values"></td><td id="description">The list of authorization tokens to be used with cell visibility if it is enabled. These will be used to override the default authorization list for the user accessing HBase.</td></tr><tr><td id="name">Visibility Expression</td><td>hbase-cache-visibility-expression</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The default visibility expression to apply to cells when visibility expression support is enabled.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>HBase Client Service</strong></td><td>HBase Client Service</td><td></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>HBaseClientService<br/><strong>Implementations: </strong><a href="../org.apache.nifi.hbase.HBase_2_ClientService/index.html">HBase_2_ClientService</a><br/><a href="../../../nifi-hbase_1_1_2-client-service-nar/1.19.1/org.apache.nifi.hbase.HBase_1_1_2_ClientService/index.html">HBase_1_1_2_ClientService</a></td><td id="description">Specifies the HBase Client Controller Service to use for accessing HBase.</td></tr><tr><td id="name"><strong>HBase Column Family</strong></td><td>HBase Column Family</td><td id="default-value">f</td><td id="allowable-values"></td><td id="description">Name of the column family on HBase to use for the cache.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>HBase Column Qualifier</strong></td><td>HBase Column Qualifier</td><td id="default-value">q</td><td id="allowable-values"></td><td id="description">Name of the column qualifier on HBase to use for the cache<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.hbase.HBase_2_ClientService/index.html">HBase_2_ClientService</a></p></body></html>