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Posted to commits@nifi.apache.org by al...@apache.org on 2019/02/22 01:03:50 UTC
svn commit: r1854109 [14/50] - in /nifi/site/trunk/docs/nifi-docs: ./
components/org.apache.nifi/nifi-ambari-nar/1.9.0/
components/org.apache.nifi/nifi-ambari-nar/1.9.0/org.apache.nifi.reporting.ambari.AmbariReportingTask/
components/org.apache.nifi/ni...
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hive-nar/1.9.0/org.apache.nifi.dbcp.hive.HiveConnectionPool/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>HiveConnectionPool</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;">HiveConnectionPool</h1><h2>Description: </h2><p>Provides Database Connection Pooling Service for Apache Hive. Connections can be asked from pool and returned after usage.</p><h3>Tags: </h3><p>hive, dbcp, jdbc, database, connection, pooling, store</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, whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>, and whether
a property is considered "sensitive", meaning that its value will be encrypted. Before entering a value in a sensitive property, ensure that the <strong>nifi.properties</strong> file has an entry for the property <strong>nifi.sensitive.props.key</strong>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Database Connection URL</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A database connection URL used to connect to a database. May contain database system name, host, port, database name and some parameters. The exact syntax of a database connection URL is specified by the Hive documentation. For example, the server principal is often included as a connection parameter when connecting to a secure Hive server.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Hive Con
figuration Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A file or comma separated list of files which contains the Hive configuration (hive-site.xml, e.g.). Without this, Hadoop will search the classpath for a 'hive-site.xml' file or will revert to a default configuration. Note that to enable authentication with Kerberos e.g., the appropriate properties must be set in the configuration files. Please see the Hive documentation for more details.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Database User</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Database user name<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Password</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The password for the datab
ase user<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Max Wait Time</strong></td><td id="default-value">500 millis</td><td id="allowable-values"></td><td id="description">The maximum amount of time that the pool will wait (when there are no available connections) for a connection to be returned before failing, or -1 to wait indefinitely. <br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Max Total Connections</strong></td><td id="default-value">8</td><td id="allowable-values"></td><td id="description">The maximum number of active connections that can be allocated from this pool at the same time, or negative for no limit.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Vali
dation query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Validation query used to validate connections before returning them. When a borrowed connection is invalid, it gets dropped and a new valid connection will be returned. NOTE: Using validation may have a performance penalty.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Kerberos Credentials Service</td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>KerberosCredentialsService<br/><strong>Implementation: </strong><a href="../../../nifi-kerberos-credentials-service-nar/1.9.0/org.apache.nifi.kerberos.KeytabCredentialsService/index.html">KeytabCredentialsService</a></td><td id="description">Specifies the Kerberos Credentials Controller Service that should be used for authenticating with Kerberos</td></tr><tr><td id="name">Kerberos Principal</td><td id="defa
ult-value"></td><td id="allowable-values"></td><td id="description">Kerberos principal to authenticate as. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Kerberos Keytab</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Kerberos keytab associated with the principal. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<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.</body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hive-nar/1.9.0/org.apache.nifi.processors.hive.ConvertAvroToORC/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ConvertAvroToORC</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;">ConvertAvroToORC</h1><h2>Description: </h2><p>Converts an Avro record into ORC file format. This processor provides a direct mapping of an Avro record to an ORC record, such that the resulting ORC file will have the same hierarchical structure as the Avro document. If an incoming FlowFile contains a stream of multiple Avro records, the resultant FlowFile will contain a ORC file containing all of the Avro records. If an incoming FlowFile does not contain any records, an empty ORC file is the output. NOTE: Many Avro datatypes (collections, primitives, and unions of primitives, e.g.) can be conve
rted to ORC, but unions of collections and other complex datatypes may not be able to be converted to ORC.</p><h3>Tags: </h3><p>avro, orc, hive, convert</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">ORC Configuration Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A file or comma separated list of files which contains the ORC configuration (hive-site.xml, e.g.). Without this, Hadoop will search the classpath for a 'hive-site.xml' file or will revert to a default configuration. Please see the ORC documentation for m
ore details.</td></tr><tr><td id="name"><strong>Stripe Size</strong></td><td id="default-value">64 MB</td><td id="allowable-values"></td><td id="description">The size of the memory buffer (in bytes) for writing stripes to an ORC file</td></tr><tr><td id="name"><strong>Buffer Size</strong></td><td id="default-value">10 KB</td><td id="allowable-values"></td><td id="description">The maximum size of the memory buffers (in bytes) used for compressing and storing a stripe in memory. This is a hint to the ORC writer, which may choose to use a smaller buffer size based on stripe size and number of columns for efficient stripe writing and memory utilization.</td></tr><tr><td id="name"><strong>Compression Type</strong></td><td id="default-value">NONE</td><td id="allowable-values"><ul><li>NONE</li><li>ZLIB</li><li>SNAPPY</li><li>LZO</li></ul></td><td id="description">No Description Provided.</td></tr><tr><td id="name">Hive Table Name</td><td id="default-value"></td><td id="allowable-values"></
td><td id="description">An optional table name to insert into the hive.ddl attribute. The generated DDL can be used by a PutHiveQL processor (presumably after a PutHDFS processor) to create a table backed by the converted ORC file. If this property is not provided, the full name (including namespace) of the incoming Avro record will be normalized and used as the table name.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>A FlowFile is routed to this relationship after it has been converted to ORC format.</td></tr><tr><td>failure</td><td>A FlowFile is routed to this relationship if it cannot be parsed as Avro or cannot be converted to ORC for any reason</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>N
ame</th><th>Description</th></tr><tr><td>mime.type</td><td>Sets the mime type to application/octet-stream</td></tr><tr><td>filename</td><td>Sets the filename to the existing filename with the extension replaced by / added to by .orc</td></tr><tr><td>record.count</td><td>Sets the number of records in the ORC file.</td></tr><tr><td>hive.ddl</td><td>Creates a partial Hive DDL statement for creating a table in Hive from this ORC file. This can be used in ReplaceText for setting the content to the DDL. To make it valid DDL, add "LOCATION '<path_to_orc_file_in_hdfs>'", where the path is the directory that contains this ORC file on HDFS. For example, ConvertAvroToORC can send flow files to a PutHDFS processor to send the file to HDFS, then to a ReplaceText to set the content to this DDL (plus the LOCATION clause as described), then to PutHiveQL processor to create the table if it doesn't exist.</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restri
cted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hive-nar/1.9.0/org.apache.nifi.processors.hive.PutHiveQL/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>PutHiveQL</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;">PutHiveQL</h1><h2>Description: </h2><p>Executes a HiveQL DDL/DML command (UPDATE, INSERT, e.g.). The content of an incoming FlowFile is expected to be the HiveQL command to execute. The HiveQL command may use the ? to escape parameters. In this case, the parameters to use must exist as FlowFile attributes with the naming convention hiveql.args.N.type and hiveql.args.N.value, where N is a positive integer. The hiveql.args.N.type is expected to be a number indicating the JDBC Type. The content of the FlowFile is expected to be in UTF-8 format.</p><h3>Tags: </h3><p>sql, hive, put, database, update, inser
t</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.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Hive Database Connection Pooling Service</strong></td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>HiveDBCPService<br/><strong>Implementation: </strong><a href="../org.apache.nifi.dbcp.hive.HiveConnectionPool/index.html">HiveConnectionPool</a></td><td id="description">The Hive Controller Service that is used to obtain connection(s) to the Hive database</td></tr><tr><td id="name"><strong>Batch Size</strong></td><td id="default-value">100</td><td id="allowable-values"></td><td id="description">The preferred number of FlowFiles to put to the database in a single transaction</td>
</tr><tr><td id="name"><strong>Character Set</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">Specifies the character set of the record data.</td></tr><tr><td id="name"><strong>Statement Delimiter</strong></td><td id="default-value">;</td><td id="allowable-values"></td><td id="description">Statement Delimiter used to separate SQL statements in a multiple statement script</td></tr><tr><td id="name"><strong>Rollback On Failure</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Specify how to handle error. By default (false), if an error occurs while processing a FlowFile, the FlowFile will be routed to 'failure' or 'retry' relationship based on error type, and processor can continue with next FlowFile. Instead, you may want to rollback currently processed FlowFiles and stop further processing immediately. In that case, you can do so by enabling this 'Roll
back On Failure' property. If enabled, failed FlowFiles will stay in the input relationship without penalizing it and being processed repeatedly until it gets processed successfully or removed by other means. It is important to set adequate 'Yield Duration' to avoid retrying too frequently.</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>retry</td><td>A FlowFile is routed to this relationship if the database cannot be updated but attempting the operation again may succeed</td></tr><tr><td>success</td><td>A FlowFile is routed to this relationship after the database is successfully updated</td></tr><tr><td>failure</td><td>A FlowFile is routed to this relationship if the database cannot be updated and retrying the operation will also fail, such as an invalid query or an integrity constraint violation</td></tr></table><h3>Reads Attributes: </h3><table id="reads-attributes"><tr><th>Name</th><th>Description</th></tr><tr
><td>hiveql.args.N.type</td><td>Incoming FlowFiles are expected to be parametrized HiveQL statements. The type of each Parameter is specified as an integer that represents the JDBC Type of the parameter.</td></tr><tr><td>hiveql.args.N.value</td><td>Incoming FlowFiles are expected to be parametrized HiveQL statements. The value of the Parameters are specified as hiveql.args.1.value, hiveql.args.2.value, hiveql.args.3.value, and so on. The type of the hiveql.args.1.value Parameter is specified by the hiveql.args.1.type attribute.</td></tr></table><h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>query.input.tables</td><td>This attribute is written on the flow files routed to the 'success' relationships, and contains input table names (if any) in comma delimited 'databaseName.tableName' format.</td></tr><tr><td>query.output.tables</td><td>This attribute is written on the flow files routed to the 'success' relationships, and cont
ains the target table names in 'databaseName.tableName' format.</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.hive.SelectHiveQL/index.html">SelectHiveQL</a></p></body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hive-nar/1.9.0/org.apache.nifi.processors.hive.PutHiveStreaming/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>PutHiveStreaming</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;">PutHiveStreaming</h1><h2>Description: </h2><p>This processor uses Hive Streaming to send flow file data to an Apache Hive table. The incoming flow file is expected to be in Avro format and the table must exist in Hive. Please see the Hive documentation for requirements on the Hive table (format, partitions, etc.). The partition values are extracted from the Avro record based on the names of the partition columns as specified in the processor. NOTE: If multiple concurrent tasks are configured for this processor, only one table can be written to at any time by a single thread. Additional tasks in
tending to write to the same table will wait for the current task to finish writing to the table.</p><h3>Tags: </h3><p>hive, streaming, put, database, store</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Hive Metastore URI</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The URI location for the Hive Metastore. Note that this is not the location of the Hive Server. The default port for the Hive metastore is 9043.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and v
ariable registry)</strong></td></tr><tr><td id="name">Hive Configuration Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A file or comma separated list of files which contains the Hive configuration (hive-site.xml, e.g.). Without this, Hadoop will search the classpath for a 'hive-site.xml' file or will revert to a default configuration. Note that to enable authentication with Kerberos e.g., the appropriate properties must be set in the configuration files. Also note that if Max Concurrent Tasks is set to a number greater than one, the 'hcatalog.hive.client.cache.disabled' property will be forced to 'true' to avoid concurrency issues. Please see the Hive documentation for more details.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Database Name</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The name o
f the database in which to put the data.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Table Name</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The name of the database table in which to put the data.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Partition Columns</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A comma-delimited list of column names on which the table has been partitioned. The order of values in this list must correspond exactly to the order of partition columns specified during the table creation.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Auto-Create Partitions</strong></
td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Flag indicating whether partitions should be automatically created</td></tr><tr><td id="name"><strong>Max Open Connections</strong></td><td id="default-value">8</td><td id="allowable-values"></td><td id="description">The maximum number of open connections that can be allocated from this pool at the same time, or negative for no limit.</td></tr><tr><td id="name"><strong>Heartbeat Interval</strong></td><td id="default-value">60</td><td id="allowable-values"></td><td id="description">Indicates that a heartbeat should be sent when the specified number of seconds has elapsed. A value of 0 indicates that no heartbeat should be sent. Note that although this property supports Expression Language, it will not be evaluated against incoming FlowFile attributes.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr
><tr><td id="name"><strong>Transactions per Batch</strong></td><td id="default-value">100</td><td id="allowable-values"></td><td id="description">A hint to Hive Streaming indicating how many transactions the processor task will need. This value must be greater than 1.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Records per Transaction</strong></td><td id="default-value">10000</td><td id="allowable-values"></td><td id="description">Number of records to process before committing the transaction. This value must be greater than 1.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Call Timeout</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">The number of seconds allowed for a Hive Streaming operation to complete. A valu
e of 0 indicates the processor should wait indefinitely on operations. Note that although this property supports Expression Language, it will not be evaluated against incoming FlowFile attributes.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Rollback On Failure</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Specify how to handle error. By default (false), if an error occurs while processing a FlowFile, the FlowFile will be routed to 'failure' or 'retry' relationship based on error type, and processor can continue with next FlowFile. Instead, you may want to rollback currently processed FlowFiles and stop further processing immediately. In that case, you can do so by enabling this 'Rollback On Failure' property. If enabled, failed FlowFiles will stay in the input relationship without penalizing it and be
ing processed repeatedly until it gets processed successfully or removed by other means. It is important to set adequate 'Yield Duration' to avoid retrying too frequently.NOTE: When an error occurred after a Hive streaming transaction which is derived from the same input FlowFile is already committed, (i.e. a FlowFile contains more records than 'Records per Transaction' and a failure occurred at the 2nd transaction or later) then the succeeded records will be transferred to 'success' relationship while the original input FlowFile stays in incoming queue. Duplicated records can be created for the succeeded ones when the same FlowFile is processed again.</td></tr><tr><td id="name">Kerberos Credentials Service</td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>KerberosCredentialsService<br/><strong>Implementation: </strong><a href="../../../nifi-kerberos-credentials-service-nar/1.9.0/org.apache.nifi.kerberos.KeytabCredentialsService/
index.html">KeytabCredentialsService</a></td><td id="description">Specifies the Kerberos Credentials Controller Service that should be used for authenticating with Kerberos</td></tr><tr><td id="name">Kerberos Principal</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Kerberos principal to authenticate as. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Kerberos Keytab</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Kerberos keytab associated with the principal. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>retry</td><td>The in
coming FlowFile is routed to this relationship if its records cannot be transmitted to Hive. Note that some records may have been processed successfully, they will be routed (as Avro flow files) to the success relationship. The combination of the retry, success, and failure relationships indicate how many records succeeded and/or failed. This can be used to provide a retry capability since full rollback is not possible.</td></tr><tr><td>success</td><td>A FlowFile containing Avro records routed to this relationship after the record has been successfully transmitted to Hive.</td></tr><tr><td>failure</td><td>A FlowFile containing Avro records routed to this relationship if the record could not be transmitted to Hive.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>hivestreaming.record.count</td><td>This attribute is written on the flow files routed to the 'success' and
'failure' relationships, and contains the number of records from the incoming flow file written successfully and unsuccessfully, respectively.</td></tr><tr><td>query.output.tables</td><td>This attribute is written on the flow files routed to the 'success' and 'failure' relationships, and contains the target table name in 'databaseName.tableName' format.</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.</body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>SelectHiveQL</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;">SelectHiveQL</h1><h2>Description: </h2><p>Execute provided HiveQL SELECT query against a Hive database connection. Query result will be converted to Avro or CSV format. Streaming is used so arbitrarily large result sets are supported. This processor can be scheduled to run on a timer, or cron expression, using the standard scheduling methods, or it can be triggered by an incoming FlowFile. If it is triggered by an incoming FlowFile, then attributes of that FlowFile will be available when evaluating the select query. FlowFile attribute 'selecthiveql.row.count' indicates how many rows were selected.<
/p><h3>Tags: </h3><p>hive, sql, select, jdbc, query, database</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Hive Database Connection Pooling Service</strong></td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>HiveDBCPService<br/><strong>Implementation: </strong><a href="../org.apache.nifi.dbcp.hive.HiveConnectionPool/index.html">HiveConnectionPool</a></td><td id="description">The Hive Controller Service that is used to obtain connection(s) to the Hive database</td></tr><tr><td id="name">HiveQL Pre-Qu
ery</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A semicolon-delimited list of queries executed before the main SQL query is executed. Example: 'set tez.queue.name=queue1; set hive.exec.orc.split.strategy=ETL; set hive.exec.reducers.bytes.per.reducer=1073741824'. Note, the results/outputs of these queries will be suppressed if successfully executed.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">HiveQL Select Query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">HiveQL SELECT query to execute. If this is not set, the query is assumed to be in the content of an incoming FlowFile.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">HiveQL Post-Query</td><td id="default-value"></td><td id="allowable-values"></t
d><td id="description">A semicolon-delimited list of queries executed after the main SQL query is executed. Note, the results/outputs of these queries will be suppressed if successfully executed.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Fetch Size</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">The number of result rows to be fetched from the result set at a time. This is a hint to the driver and may not be honored and/or exact. If the value specified is zero, then the hint is ignored.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Max Rows Per Flow File</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">The maximum number of result rows that will be included in a sin
gle FlowFile. This will allow you to break up very large result sets into multiple FlowFiles. If the value specified is zero, then all rows are returned in a single FlowFile.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Maximum Number of Fragments</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">The maximum number of fragments. If the value specified is zero, then all fragments are returned. This prevents OutOfMemoryError when this processor ingests huge table.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Output Format</strong></td><td id="default-value">Avro</td><td id="allowable-values"><ul><li>Avro</li><li>CSV</li></ul></td><td id="description">How to represent the records coming from Hive (Avro, CSV, e.g.)</t
d></tr><tr><td id="name"><strong>Normalize Table/Column Names</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether to change non-Avro-compatible characters in column names to Avro-compatible characters. For example, colons and periods will be changed to underscores in order to build a valid Avro record.</td></tr><tr><td id="name"><strong>CSV Header</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Include Header in Output</td></tr><tr><td id="name">Alternate CSV Header</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Comma separated list of header fields<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>CSV Delimiter</strong></td><td id="default-value">,</td><td id="allow
able-values"></td><td id="description">CSV Delimiter used to separate fields<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>CSV Quote</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether to force quoting of CSV fields. Note that this might conflict with the setting for CSV Escape.</td></tr><tr><td id="name"><strong>CSV Escape</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether to escape CSV strings in output. Note that this might conflict with the setting for CSV Quote.</td></tr><tr><td id="name"><strong>Character Set</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">Specifies the character set of the record data.</td></tr></table><h3>Relationships: <
/h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>Successfully created FlowFile from HiveQL query result set.</td></tr><tr><td>failure</td><td>HiveQL query execution failed. Incoming FlowFile will be penalized and routed to this relationship.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>mime.type</td><td>Sets the MIME type for the outgoing flowfile to application/avro-binary for Avro or text/csv for CSV.</td></tr><tr><td>filename</td><td>Adds .avro or .csv to the filename attribute depending on which output format is selected.</td></tr><tr><td>selecthiveql.row.count</td><td>Indicates how many rows were selected/returned by the query.</td></tr><tr><td>fragment.identifier</td><td>If 'Max Rows Per Flow File' is set then all FlowFiles from the same query result set will have the same value for the fragment.identifier attr
ibute. This can then be used to correlate the results.</td></tr><tr><td>fragment.count</td><td>If 'Max Rows Per Flow File' is set then this is the total number of FlowFiles produced by a single ResultSet. This can be used in conjunction with the fragment.identifier attribute in order to know how many FlowFiles belonged to the same incoming ResultSet.</td></tr><tr><td>fragment.index</td><td>If 'Max Rows Per Flow File' is set then the position of this FlowFile in the list of outgoing FlowFiles that were all derived from the same result set FlowFile. This can be used in conjunction with the fragment.identifier attribute to know which FlowFiles originated from the same query result set and in what order FlowFiles were produced</td></tr><tr><td>query.input.tables</td><td>Contains input table names in comma delimited 'databaseName.tableName' format.</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>I
nput requirement: </h3>This component allows an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hl7-nar/1.9.0/org.apache.nifi.processors.hl7.ExtractHL7Attributes/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ExtractHL7Attributes</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;">ExtractHL7Attributes</h1><h2>Description: </h2><p>Extracts information from an HL7 (Health Level 7) formatted FlowFile and adds the information as FlowFile Attributes. The attributes are named as <Segment Name> <dot> <Field Index>. If the segment is repeating, the naming will be <Segment Name> <underscore> <Segment Index> <dot> <Field Index>. For example, we may have an attribute named "MHS.12" with a value of "2.1" and an attribute named "OBX_11.3" with a value of "93000^CPT4".</p><h3>Tags: </h3><p>HL7, health level 7, healthcare, extract, at
tributes</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Character Encoding</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">The Character Encoding that is used to encode the HL7 data<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Use Segment Names</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether or not
to use HL7 segment names in attributes</td></tr><tr><td id="name"><strong>Parse Segment Fields</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether or not to parse HL7 segment fields into attributes</td></tr><tr><td id="name"><strong>Skip Validation</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether or not to validate HL7 message values</td></tr><tr><td id="name"><strong>HL7 Input Version</strong></td><td id="default-value">autodetect</td><td id="allowable-values"><ul><li>autodetect</li><li>2.2</li><li>2.3</li><li>2.3.1</li><li>2.4</li><li>2.5</li><li>2.5.1</li><li>2.6</li></ul></td><td id="description">The HL7 version to use for parsing and validation</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>A FlowFile is routed to
this relationship if it is properly parsed as HL7 and its attributes extracted</td></tr><tr><td>failure</td><td>A FlowFile is routed to this relationship if it cannot be mapped to FlowFile Attributes. This would happen if the FlowFile does not contain valid HL7 data</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3>None specified.<h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>RouteHL7</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;">RouteHL7</h1><h2>Description: </h2><p>Routes incoming HL7 data according to user-defined queries. To add a query, add a new property to the processor. The name of the property will become a new relationship for the processor, and the value is an HL7 Query Language query. If a FlowFile matches the query, a copy of the FlowFile will be routed to the associated relationship.</p><h3>Tags: </h3><p>HL7, healthcare, route, Health Level 7</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. Th
e 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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Character Encoding</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">The Character Encoding that is used to encode the HL7 data<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></table><h3>Dynamic Properties: </h3><p>Dynamic Properties allow the user to specify both the name and value of a property.<table id="dynamic-properties"><tr><th>Name</th><th>Value</th><th>Description</th></tr><tr><td id="name">Name of a Relationship</td><td id="value">An HL7 Query Language query</td><td>If a FlowFile matches the query, it will be routed to a relationship w
ith the name of the property<br/><strong>Supports Expression Language: false</strong></td></tr></table></p><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>failure</td><td>Any FlowFile that cannot be parsed as HL7 will be routed to this relationship</td></tr><tr><td>original</td><td>The original FlowFile that comes into this processor will be routed to this relationship, unless it is routed to 'failure'</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>RouteHL7.Route</td><td>The name of the relationship to which the FlowFile was routed</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>GetHTMLElement</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;">GetHTMLElement</h1><h2>Description: </h2><p>Extracts HTML element values from the incoming flowfile's content using a CSS selector. The incoming HTML is first converted into a HTML Document Object Model so that HTML elements may be selected in the similar manner that CSS selectors are used to apply styles to HTML. The resulting HTML DOM is then "queried" using the user defined CSS selector string. The result of "querying" the HTML DOM may produce 0-N results. If no results are found the flowfile will be transferred to the "element not found" relationship to indicate so to the end user. If N resul
ts are found a new flowfile will be created and emitted for each result. The query result will either be placed in the content of the new flowfile or as an attribute of the new flowfile. By default the result is written to an attribute. This can be controlled by the "Destination" property. Resulting query values may also have data prepended or appended to them by setting the value of property "Prepend Element Value" or "Append Element Value". Prepended and appended values are treated as string values and concatenated to the result retrieved from the HTML DOM query operation. A more thorough reference for the CSS selector syntax can be found at "http://jsoup.org/apidocs/org/jsoup/select/Selector.html"</p><h3>Tags: </h3><p>get, html, dom, css, element</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 proper
ty supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>URL</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Base URL for the HTML page being parsed. This URL will be used to resolve an absolute URL when an attribute value is extracted from a HTML element.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>CSS Selector</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">CSS selector syntax string used to extract the desired HTML element(s).<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>HTML C
haracter Encoding</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">Character encoding of the input HTML</td></tr><tr><td id="name"><strong>Output Type</strong></td><td id="default-value">HTML</td><td id="allowable-values"><ul><li>HTML</li><li>Text</li><li>Attribute</li><li>Data</li></ul></td><td id="description">Controls the type of DOM value that is retrieved from the HTML element.</td></tr><tr><td id="name"><strong>Destination</strong></td><td id="default-value">flowfile-attribute</td><td id="allowable-values"><ul><li>flowfile-attribute</li><li>flowfile-content</li></ul></td><td id="description">Control if element extracted is written as a flowfile attribute or as flowfile content.</td></tr><tr><td id="name">Prepend Element Value</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Prepends the specified value to the resulting Element<br/><strong>Supports Expression Language: true (will be evaluated us
ing flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Append Element Value</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Appends the specified value to the resulting Element<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Attribute Name</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">When getting the value of a HTML element attribute this value is used as the key to determine which attribute on the selected element should be retrieved. This value is used when the "Output Type" is set to "Attribute". If this value is prefixed with 'abs:', then the extracted attribute value will be converted into an absolute URL form using the specified base URL.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></
table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>element not found</td><td>Element could not be found in the HTML document. The original HTML input will remain in the FlowFile content unchanged. Relationship 'original' will not be invoked in this scenario.</td></tr><tr><td>success</td><td>Successfully parsed HTML element</td></tr><tr><td>original</td><td>The original HTML input</td></tr><tr><td>invalid html</td><td>The input HTML syntax is invalid</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>HTMLElement</td><td>Flowfile attribute where the element result parsed from the HTML using the CSS selector syntax are placed if the destination is a flowfile attribute.</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input require
ment: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.ModifyHTMLElement/index.html">ModifyHTMLElement</a>, <a href="../org.apache.nifi.PutHTMLElement/index.html">PutHTMLElement</a></p></body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-html-nar/1.9.0/org.apache.nifi.ModifyHTMLElement/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ModifyHTMLElement</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;">ModifyHTMLElement</h1><h2>Description: </h2><p>Modifies the value of an existing HTML element. The desired element to be modified is located by using CSS selector syntax. The incoming HTML is first converted into a HTML Document Object Model so that HTML elements may be selected in the similar manner that CSS selectors are used to apply styles to HTML. The resulting HTML DOM is then "queried" using the user defined CSS selector string to find the element the user desires to modify. If the HTML element is found the element's value is updated in the DOM using the value specified "Modified Value"
property. All DOM elements that match the CSS selector will be updated. Once all of the DOM elements have been updated the DOM is rendered to HTML and the result replaces the flowfile content with the updated HTML. A more thorough reference for the CSS selector syntax can be found at "http://jsoup.org/apidocs/org/jsoup/select/Selector.html"</p><h3>Tags: </h3><p>modify, html, dom, css, element</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>CSS Selector</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">CSS selec
tor syntax string used to extract the desired HTML element(s).<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>HTML Character Encoding</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">Character encoding of the input HTML</td></tr><tr><td id="name"><strong>Output Type</strong></td><td id="default-value">HTML</td><td id="allowable-values"><ul><li>HTML</li><li>Text</li><li>Attribute</li></ul></td><td id="description">Controls whether the HTML element is output as HTML,Text or Data</td></tr><tr><td id="name"><strong>Modified Value</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Value to update the found HTML elements with<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Attribute Nam
e</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">When modifying the value of an element attribute this value is used as the key to determine which attribute on the selected element will be modified with the new value.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>element not found</td><td>Element could not be found in the HTML document. The original HTML input will remain in the FlowFile content unchanged. Relationship 'original' will not be invoked in this scenario.</td></tr><tr><td>success</td><td>Successfully parsed HTML element</td></tr><tr><td>original</td><td>The original HTML input</td></tr><tr><td>invalid html</td><td>The input HTML syntax is invalid</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id=
"writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>NumElementsModified</td><td>Total number of HTML element modifications made</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.GetHTMLElement/index.html">GetHTMLElement</a>, <a href="../org.apache.nifi.PutHTMLElement/index.html">PutHTMLElement</a></p></body></html>
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--- nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-html-nar/1.9.0/org.apache.nifi.PutHTMLElement/index.html (added)
+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-html-nar/1.9.0/org.apache.nifi.PutHTMLElement/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>PutHTMLElement</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;">PutHTMLElement</h1><h2>Description: </h2><p>Places a new HTML element in the existing HTML DOM. The desired position for the new HTML element is specified by using CSS selector syntax. The incoming HTML is first converted into a HTML Document Object Model so that HTML DOM location may be located in a similar manner that CSS selectors are used to apply styles to HTML. The resulting HTML DOM is then "queried" using the user defined CSS selector string to find the position where the user desires to add the new HTML element. Once the new HTML element is added to the DOM it is rendered to HTML and the
result replaces the flowfile content with the updated HTML. A more thorough reference for the CSS selector syntax can be found at "http://jsoup.org/apidocs/org/jsoup/select/Selector.html"</p><h3>Tags: </h3><p>put, html, dom, css, element</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>CSS Selector</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">CSS selector syntax string used to extract the desired HTML element(s).<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes an
d variable registry)</strong></td></tr><tr><td id="name"><strong>HTML Character Encoding</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">Character encoding of the input HTML</td></tr><tr><td id="name"><strong>Element Insert Location Type</strong></td><td id="default-value">append-html</td><td id="allowable-values"><ul><li>append-html</li><li>prepend-html</li></ul></td><td id="description">Controls whether the new element is prepended or appended to the children of the Element located by the CSS selector. EX: prepended value '<b>Hi</b>' inside of Element (using CSS Selector 'p') '<p>There</p>' would result in '<p><b>Hi</b>There</p>'. Appending the value would result in '<p>There<b>Hi</b></p>'</td></tr><tr><td id="name"><strong>Put Value</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Value used when creating the new Ele
ment. Value should be a valid HTML element. The text should be supplied unencoded: characters like '<', '>', etc will be properly HTML encoded in the resulting output.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>element not found</td><td>Element could not be found in the HTML document. The original HTML input will remain in the FlowFile content unchanged. Relationship 'original' will not be invoked in this scenario.</td></tr><tr><td>success</td><td>Successfully parsed HTML element</td></tr><tr><td>original</td><td>The original HTML input</td></tr><tr><td>invalid html</td><td>The input HTML syntax is invalid</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3>None specified.<h3>State management: </h3>This component does not store state.<h3>Restricte
d: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.GetHTMLElement/index.html">GetHTMLElement</a>, <a href="../org.apache.nifi.ModifyHTMLElement/index.html">ModifyHTMLElement</a></p></body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-http-context-map-nar/1.9.0/org.apache.nifi.http.StandardHttpContextMap/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>StandardHttpContextMap</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;">StandardHttpContextMap</h1><h2>Description: </h2><p>Provides the ability to store and retrieve HTTP requests and responses external to a Processor, so that multiple Processors can interact with the same HTTP request.</p><h3>Tags: </h3><p>http, request, response</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.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><
tr><td id="name"><strong>Maximum Outstanding Requests</strong></td><td id="default-value">5000</td><td id="allowable-values"></td><td id="description">The maximum number of HTTP requests that can be outstanding at any one time. Any attempt to register an additional HTTP Request will cause an error</td></tr><tr><td id="name"><strong>Request Expiration</strong></td><td id="default-value">1 min</td><td id="allowable-values"></td><td id="description">Specifies how long an HTTP Request should be left unanswered before being evicted from the cache and being responded to with a Service Unavailable status code</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="../../../nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.HandleHttpRequest/index.html">HandleHttpRequest</a>, <a href="../../../nifi-standard-nar/1.9.0/org.
apache.nifi.processors.standard.HandleHttpResponse/index.html">HandleHttpResponse</a></p></body></html>
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URL: http://svn.apache.org/viewvc/nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hwx-schema-registry-nar/1.9.0/org.apache.nifi.schemaregistry.hortonworks.HortonworksSchemaRegistry/index.html?rev=1854109&view=auto
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--- nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hwx-schema-registry-nar/1.9.0/org.apache.nifi.schemaregistry.hortonworks.HortonworksSchemaRegistry/index.html (added)
+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hwx-schema-registry-nar/1.9.0/org.apache.nifi.schemaregistry.hortonworks.HortonworksSchemaRegistry/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>HortonworksSchemaRegistry</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;">HortonworksSchemaRegistry</h1><h2>Description: </h2><p>Provides a Schema Registry Service that interacts with a Hortonworks Schema Registry, available at https://github.com/hortonworks/registry</p><h3>Tags: </h3><p>schema, registry, avro, hortonworks, hwx</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 Langua
ge</a>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Schema Registry URL</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">URL of the schema registry that this Controller Service should connect to, including version. For example, http://localhost:9090/api/v1<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Cache Size</strong></td><td id="default-value">1000</td><td id="allowable-values"></td><td id="description">Specifies how many Schemas should be cached from the Hortonworks Schema Registry</td></tr><tr><td id="name"><strong>Cache Expiration</strong></td><td id="default-value">1 hour</td><td id="allowable-values"></td><td id="description">Specifies how long a Schema that is cached should remain in the cache. Once this time period elapses, a cached version
of a schema will no longer be used, and the service will have to communicate with the Hortonworks Schema Registry again in order to obtain the schema.</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.</body></html>
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--- nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-ignite-nar/1.9.0/org.apache.nifi.processors.ignite.cache.GetIgniteCache/index.html (added)
+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-ignite-nar/1.9.0/org.apache.nifi.processors.ignite.cache.GetIgniteCache/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>GetIgniteCache</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;">GetIgniteCache</h1><h2>Description: </h2><p>Get the byte array from Ignite Cache and adds it as the content of a FlowFile.The processor uses the value of FlowFile attribute (Ignite cache entry key) as the cache key lookup. If the entry corresponding to the key is not found in the cache an error message is associated with the FlowFile Note - The Ignite Kernel periodically outputs node performance statistics to the logs. This message can be turned off by setting the log level for logger 'org.apache.ignite' to WARN in the logback.xml configuration file.</p><h3>Tags: </h3><p>Ignite, get, read, cache
, key</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">Ignite Spring Properties Xml File</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Ignite spring configuration file, <path>/<ignite-configuration>.xml. If the configuration file is not provided, default Ignite configuration configuration is used which binds to 127.0.0.1:47500..47509</td></tr><tr><td id="name">Ignite Cache Name</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The name of the ignite cache</td></tr><tr><td id="name
"><strong>Ignite Cache Entry Identifier</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A FlowFile attribute, or attribute expression used for determining Ignite cache key for the Flow File content<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>All FlowFiles that are written to Ignite cache are routed to this relationship</td></tr><tr><td>failure</td><td>All FlowFiles that cannot be written to Ignite cache are routed to this relationship</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>ignite.cache.get.failed.reason</td><td>The reason for getting entry from cache</td></tr></table><h3>State management: </h3>This comp
onent does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.ignite.cache.PutIgniteCache/index.html">PutIgniteCache</a></p></body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-ignite-nar/1.9.0/org.apache.nifi.processors.ignite.cache.PutIgniteCache/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>PutIgniteCache</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;">PutIgniteCache</h1><h2>Description: </h2><p>Stream the contents of a FlowFile to Ignite Cache using DataStreamer. The processor uses the value of FlowFile attribute (Ignite cache entry key) as the cache key and the byte array of the FlowFile as the value of the cache entry value. Both the string key and a non-empty byte array value are required otherwise the FlowFile is transferred to the failure relation. Note - The Ignite Kernel periodically outputs node performance statistics to the logs. This message can be turned off by setting the log level for logger 'org.apache.ignite' to WARN in the l
ogback.xml configuration file.</p><h3>Tags: </h3><p>Ignite, insert, update, stream, write, put, cache, key</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">Ignite Spring Properties Xml File</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Ignite spring configuration file, <path>/<ignite-configuration>.xml. If the configuration file is not provided, default Ignite configuration configuration is used which binds to 127.0.0.1:47500..47509</td></tr><tr><td id="name">Ignite Cache Name</td><td id="default-value"></td><td i
d="allowable-values"></td><td id="description">The name of the ignite cache</td></tr><tr><td id="name"><strong>Batch Size For Entries</strong></td><td id="default-value">250</td><td id="allowable-values"></td><td id="description">Batch size for entries (1-500).</td></tr><tr><td id="name"><strong>Ignite Cache Entry Identifier</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A FlowFile attribute, or attribute expression used for determining Ignite cache key for the Flow File content<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Data Streamer Per Node Parallel Operations</strong></td><td id="default-value">5</td><td id="allowable-values"></td><td id="description">Data streamer per node parallelism</td></tr><tr><td id="name"><strong>Data Streamer Per Node Buffer Size</strong></td><td id="default-value">250</td><td id="allowable-val
ues"></td><td id="description">Data streamer per node buffer size (1-500).</td></tr><tr><td id="name"><strong>Data Streamer Auto Flush Frequency in millis</strong></td><td id="default-value">10</td><td id="allowable-values"></td><td id="description">Data streamer flush interval in millis seconds</td></tr><tr><td id="name"><strong>Data Streamer Allow Override</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether to override values already in the cache</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>All FlowFiles that are written to Ignite cache are routed to this relationship</td></tr><tr><td>failure</td><td>All FlowFiles that cannot be written to Ignite cache are routed to this relationship</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th
>Name</th><th>Description</th></tr><tr><td>ignite.cache.batch.flow.file.total.count</td><td>The total number of FlowFile in the batch</td></tr><tr><td>ignite.cache.batch.flow.file.item.number</td><td>The item number of FlowFile in the batch</td></tr><tr><td>ignite.cache.batch.flow.file.successful.number</td><td>The successful FlowFile item number</td></tr><tr><td>ignite.cache.batch.flow.file.successful.count</td><td>The number of successful FlowFiles</td></tr><tr><td>ignite.cache.batch.flow.file.failed.number</td><td>The failed FlowFile item number</td></tr><tr><td>ignite.cache.batch.flow.file.failed.count</td><td>The total number of failed FlowFiles in the batch</td></tr><tr><td>ignite.cache.batch.flow.file.failed.reason</td><td>The failed reason attribute key</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Res
ource Considerations:</h3><table id="system-resource-considerations"><tr><th>Resource</th><th>Description</th></tr><tr><td>MEMORY</td><td>An instance of this component can cause high usage of this system resource. Multiple instances or high concurrency settings may result a degradation of performance.</td></tr></table><h3>See Also:</h3><p><a href="../org.apache.nifi.processors.ignite.cache.GetIgniteCache/index.html">GetIgniteCache</a></p></body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ExecuteInfluxDBQuery</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;">ExecuteInfluxDBQuery</h1><h2>Description: </h2><p>Processor to execute InfluxDB query from the content of a FlowFile (preferred) or a scheduled query. Please check details of the supported queries in InfluxDB documentation (https://www.influxdb.com/).</p><h3>Tags: </h3><p>influxdb, measurement, get, read, query, timeseries</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, whether a property supports the <a href="../../../../.
./html/expression-language-guide.html">NiFi Expression Language</a>, and whether a property is considered "sensitive", meaning that its value will be encrypted. Before entering a value in a sensitive property, ensure that the <strong>nifi.properties</strong> file has an entry for the property <strong>nifi.sensitive.props.key</strong>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Database Name</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">InfluxDB database to connect to<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>InfluxDB connection URL</strong></td><td id="default-value">http://localhost:8086</td><td id="allowable-values"></td><td id="description">InfluxDB URL to connect to. Eg: http://influxdb:8086<br/><strong>Supports Expressi
on Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>InfluxDB Max Connection Time Out (seconds)</strong></td><td id="default-value">0 seconds</td><td id="allowable-values"></td><td id="description">The maximum time for establishing connection to the InfluxDB</td></tr><tr><td id="name"><strong>Query Result Time Units</strong></td><td id="default-value">NANOSECONDS</td><td id="allowable-values"><ul><li>MILLISECONDS</li><li>MICROSECONDS</li><li>HOURS</li><li>SECONDS</li><li>NANOSECONDS</li><li>DAYS</li><li>MINUTES</li></ul></td><td id="description">The time unit of query results from the InfluxDB<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">InfluxDB Query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The InfluxDB query to execute. Note: If there are incoming connections, then the query
is created from incoming FlowFile's content otherwise it is created from this property.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Results chunk size</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">Chunking can be used to return results in a stream of smaller batches (each has a partial results up to a chunk size) rather than as a single response. Chunking queries can return an unlimited number of rows. Note: Chunking is enable when result chunk size is greater than 0<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Username</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Username for accessing InfluxDB<br/><strong>Supports Expression Language: true (will be evaluated using variable reg
istry only)</strong></td></tr><tr><td id="name">Password</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Password for user<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Character Set</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">Specifies the character set of the document data.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>retry</td><td>Failed queries that are retryable exception are routed to this relationship</td></tr><tr><td>success</td><td>Successful InfluxDB queries are routed to this relationship</td></tr><tr><td>failure</td><td>Falied InfluxDB queries are rout
ed to this relationship</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>influxdb.error.message</td><td>InfluxDB error message</td></tr><tr><td>influxdb.executed.query</td><td>InfluxDB executed query</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component allows an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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