Append This property specifies additional arguments to add to the connection string for the H2 database. The default value should be used and should not be changed. It is: FlowFile repository The FlowFile repository keeps track of the attributes and current state of each FlowFile in the system. By default, this repository is installed in the same root installation directory as all the other repositories; however, it is advisable to configure it on a separate drive if available. Property description plementation The FlowFile repository implementation. The default value is and should only be changed with caution.
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The default value./conf/state-management. Local The routine id of the local State write Provider to use. This value must match the value of the id element of one of the local-provider elements in the state-management. Uster The id of the Cluster State Provider to use. This value must match the value of the id element of one of the cluster-provider elements in the state-management. This value is ignored if not clustered but is required for nodes in a cluster. Art Specifies whether or not this instance of nifi should start an embedded zookeeper Server. This is used in conjunction with the zookeeperStateProvider. Operties Specifies a properties file that contains the configuration for the embedded zookeeper Server that is started (if the art property is set to true) H2 Settings The H2 Settings section defines the settings for the H2 database, which keeps track of user access and. Database.directory* The location of the H2 database directory. The default value./database_repository.
Working.directory The location of the nar working directory. The default value./work/nar and probably should word be left. Working.directory The documentation working directory. The default value./work/docs/components and probably should be left. Timeout Time to wait for a processors life-cycle operation OnScheduled and @OnUnscheduled) to finish before other life-cycle operation (e.g., stop) could be invoked. The default value is 1 min. State management The State management section of the Properties file provides a mechanism for configuring local and cluster-wide mechanisms for components to persist state. See the State management section for more information on how this is used. Property description le The xml file that contains configuration for the local and cluster-wide State Providers.
It is blank by default. Terval The interval at which the User Interface auto-refreshes. Directory The location of the nar library. The default value./lib and probably should be left. Note : Additional library directories can be specified by using the brary. Prefix with unique suffixes and separate paths as values. For example, to provide two additional library locations, a user could also specify additional properties with keys of: b1/nars/lib1 b2/nars/lib2 Providing three total locations, including brary.
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Le this is the location of the file that specifies how essay authorizers are defined. The default value./conf/authorizers. Le this is the location of the file that specifies how username/password authentication is performed. This file is only considered if ovider is configured with a provider identifier. The default value is nifi. Templates.directory* This is the location of the directory where flow templates are saved (for backward compatibility only).
Templates are stored in the flow. Xml.gz starting with nifi.0. The template directory can be used to (bulk) import templates into the flow. Xml.gz automatically on nifi startup. The default value./conf/templates. Text This is banner text that may be configured to display at the top of the User Interface.
The default value is 500. Yield.duration, if a component allows an unexpected exception to escape, it is considered a bug. As a result, the framework will pause (or administratively yield) the component for this amount of time. This is done so that the component does not use up massive amounts of system resources, since it is known to have problems in the existing state. The default value is 30 secs.
When a component has no work to do (i.e., is "bored this is the amount of time it will wait before checking to see if it has new data to work. This way, it does not use up cpu resources by checking for new work too often. When setting this property, be aware that it could add extra latency for components that do not constantly have work to do, as once they go into this "bored" state, they will wait this amount of time before checking for more work. The default value is. Unt, when drawing a new connection between two components, this is the default value for that connections back pressure object threshold. The default is 10000 and the value must be an integer. Ze, when drawing a new connection between two components, this is the default value for that connections back pressure data size threshold. The default is 1 gb and the value must be a data size including the unit of measure.
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Nifi will delete the oldest archive files until the total archived file size becomes less than this configuration value, if this property is specified. If no archive limitation is specified in operties, nifi first uses 500 mb for this. Unt the number of archive files allowed. Nifi will delete the oldest archive files so that only n latest archives can be kept, if this property is specified. ToResumeState, indicates whether -upon restart- the components on the nifi graph should return to their last state. Riod, indicates the shutdown period. The default value is 10 secs. Terval, when many changes are made to the flow. Xml, this property specifies resumes how long to wait before writing out the changes, so as to batch the changes into a single write.
Nifi checks filenames when it cleans archive directory. If you would like to keep a particular archive in this directory without worrying about nifi deleting it, you can do so by copying it with a different essay filename pattern. The lifespan of archived flow. Nifi will delete expired archive files when it updates flow. Xml if this property is specified. Expiration is determined based on current system time and the last modified timestamp of an archived flow. If no archive limitation is specified in operties, nifi removes archives older than 30 days. Orage the total data size allowed for the archived flow.
specified, nifi uses default conditions, that is 30 days for max. Time and 500 mb for orage. This cleanup mechanism takes into account only automatically created archived flow. If there are other files or directories in this archive directory, nifi will ignore them. Automatically created archives have filename with iso 8601 format timestamp prefix followed by ' original-filename '. That is offset original filename. For example, 20160706T _flow.
Core Properties, the first section of the operties file is for the core Properties. These properties apply to the core framework as a whole. Property, description le the location of the flow configuration file (i.e., the file that contains what is currently displayed on the nifi graph). The default value./conf/flow. Enabled specifies whether nifi creates a backup copy of the flow automatically when the flow is updated. The default value is true. Dir the location of the archive directory where business backup copies of the flow.
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The operties file in the conf directory is the main configuration file for controlling how nifi runs. This section provides an overview of the properties in this file and includes some notes on how to configure it in a way that biography will make upgrading easier. After making changes to this file, restart nifi in order for the changes to take effect. The contents of this file are relatively stable but do change from time to time. It is always a good idea to review this file when upgrading and pay attention for any changes. Consider configuring items below marked with an asterisk in such a way that upgrading will be easier. For details, see a full discussion on upgrading at the end of this section. Note that values for periods of time and data sizes must include the unit of measure, for example "10 secs" or "10 mb not simply "10".