Hi
I have created a wait-notify gate which is working fine for days, but
suddenly the wait process is not releasing any files.
I am using redis as the distributed cachemap, and I was looking in redis to
find the release identifier but I could not find it. Which seems odd to me.
I have release identifier for other gates in redis but not for this one.
Even after I manually triggered my Notify process and the wait process
released a file, the release identifier is not present in redis.
Does anyone have some ideas how to troubleshoot this?
kind regards
Jens
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<snippet>
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<id>64d6e957-bebf-302a-0000-000000000000</id>
<type>PROCESSOR</type>
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</destination>
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<loadBalanceCompression>DO_NOT_COMPRESS</loadBalanceCompression>
<loadBalancePartitionAttribute></loadBalancePartitionAttribute>
<loadBalanceStatus>LOAD_BALANCE_NOT_CONFIGURED</loadBalanceStatus>
<loadBalanceStrategy>DO_NOT_LOAD_BALANCE</loadBalanceStrategy>
<name></name>
<selectedRelationships>failure</selectedRelationships>
<source>
<groupId>5689540c-d93b-33f5-0000-000000000000</groupId>
<id>64d6e957-bebf-302a-0000-000000000000</id>
<type>PROCESSOR</type>
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<loadBalancePartitionAttribute></loadBalancePartitionAttribute>
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<loadBalanceStrategy>DO_NOT_LOAD_BALANCE</loadBalanceStrategy>
<name></name>
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<destination>
<groupId>5689540c-d93b-33f5-0000-000000000000</groupId>
<id>5360bdf6-f2d9-390a-0000-000000000000</id>
<type>FUNNEL</type>
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</source>
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</bends>
<destination>
<groupId>5689540c-d93b-33f5-0000-000000000000</groupId>
<id>5c40a785-027a-34a3-0000-000000000000</id>
<type>PROCESSOR</type>
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</destination>
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<x>584.0</x>
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</bends>
<destination>
<groupId>5689540c-d93b-33f5-0000-000000000000</groupId>
<id>725437db-acac-3702-0000-000000000000</id>
<type>PROCESSOR</type>
<versionedComponentId>5a3d6b84-0231-3238-82e5-c5618ce15a5b</versionedComponentId>
</destination>
<flowFileExpiration>0 sec</flowFileExpiration>
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<loadBalancePartitionAttribute></loadBalancePartitionAttribute>
<loadBalanceStatus>LOAD_BALANCE_NOT_CONFIGURED</loadBalanceStatus>
<loadBalanceStrategy>DO_NOT_LOAD_BALANCE</loadBalanceStrategy>
<name></name>
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<source>
<groupId>5689540c-d93b-33f5-0000-000000000000</groupId>
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<destination>
<groupId>5689540c-d93b-33f5-0000-000000000000</groupId>
<id>93550f02-42f2-3b51-0000-000000000000</id>
<type>PROCESSOR</type>
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</destination>
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<loadBalancePartitionAttribute></loadBalancePartitionAttribute>
<loadBalanceStatus>LOAD_BALANCE_NOT_CONFIGURED</loadBalanceStatus>
<loadBalanceStrategy>DO_NOT_LOAD_BALANCE</loadBalanceStrategy>
<name></name>
<source>
<groupId>5689540c-d93b-33f5-0000-000000000000</groupId>
<id>669e2659-cd22-36e7-0000-000000000000</id>
<type>INPUT_PORT</type>
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</connections>
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<destination>
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<bundle>
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<comments></comments>
<descriptors>
<entry>
<key>redis-connection-pool</key>
<value>
<identifiesControllerService>org.apache.nifi.redis.RedisConnectionPool</identifiesControllerService>
<name>redis-connection-pool</name>
</value>
</entry>
<entry>
<key>redis-cache-ttl</key>
<value>
<name>redis-cache-ttl</name>
</value>
</entry>
</descriptors>
<name>Gate MapCache</name>
<persistsState>false</persistsState>
<properties>
<entry>
<key>redis-connection-pool</key>
<value>7e417548-636e-3150-0000-000000000000</value>
</entry>
<entry>
<key>redis-cache-ttl</key>
<value>30 days</value>
</entry>
</properties>
<state>ENABLED</state>
<type>org.apache.nifi.redis.service.RedisDistributedMapCacheClientService</type>
</controllerServices>
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<name>Data into gate</name>
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<type>INPUT_PORT</type>
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<comments></comments>
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<name>Trigger gate to open</name>
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<label>This is an attempt to create a gate function with use of wait-notify.
One of the issues with wait-notify is how to open the gate the very first time.
1. “set initial and gateUUID” process is part of a work-around to fix the very first opening trigger.
This process is storing the state of 2 attributes (initialTrigger and gateUUID).
If this gate is a new copy, the initial state value is set to “yes”. The process is checking if the state values are equal to yes.
If so the initialTrigger is set to true and gateUUID will be set with a random UUID.
2. “set gateName” process will set a gateName attribute to: ${hostname(true)}_GATE-${gateUUID}
This gateName should be unique for every new gate in your flow, also for every node in the cluster.
This gatename is used as “Release Signal Identifier” in the wait and notify processes.
3. “Route initial” will route the very first flowfile (initialTrigger=true) to the gate trigger.
4. “reset gate to closed”
In rare cases a gate counter could be in an open state (counter=1) and if the systems is restarting a new trigger will increment the counter.
And the gate will never open again because the counter will be greater than 1. So, to be sure this process is forcing the gate to be closed (counter=0)
5. “open gate” set the gate counter = 1
6. “drop gateTrigger” will drop new gate triggers. Except the very first initial trigger, since the first flowfile is not going through the “set gateTrigger” process.
7. “Gate” is running every 1 second to check if the gate is open. When the gate is open it will release 1 flowfile.
8. “Close gate” will set the gate counter = 0
9. “reset expired files”. If flowfiles is waiting to long time they will be expired from the gate, so this process is deleting those wait attributes and looping the files back in the queue.
10. Manual trigger. If some how the gate is closed and a trigger has not notified the gate counter correctly you can enable and tart this process to release a manual trigger.
</label>
<style>
<entry>
<key>font-size</key>
<value>12px</value>
</entry>
</style>
<width>992.0</width>
</labels>
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<id>916ac9de-ebed-33f1-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>152.0</x>
<y>792.0</y>
</position>
<versionedComponentId>916ac9de-ebed-33f1-acd1-522ea8e6da4f</versionedComponentId>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<name>Data passed gate</name>
<state>STOPPED</state>
<type>OUTPUT_PORT</type>
</outputPorts>
<processors>
<id>0ee57c60-d056-3826-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>768.0</x>
<y>32.0</y>
</position>
<versionedComponentId>0ee57c60-d056-3826-9a27-65d904a51fed</versionedComponentId>
<bundle>
<artifact>nifi-standard-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>release-signal-id</key>
<value>
<name>release-signal-id</name>
</value>
</entry>
<entry>
<key>signal-counter-name</key>
<value>
<name>signal-counter-name</name>
</value>
</entry>
<entry>
<key>signal-counter-delta</key>
<value>
<name>signal-counter-delta</name>
</value>
</entry>
<entry>
<key>signal-buffer-count</key>
<value>
<name>signal-buffer-count</name>
</value>
</entry>
<entry>
<key>distributed-cache-service</key>
<value>
<identifiesControllerService>org.apache.nifi.distributed.cache.client.AtomicDistributedMapCacheClient</identifiesControllerService>
<name>distributed-cache-service</name>
</value>
</entry>
<entry>
<key>attribute-cache-regex</key>
<value>
<name>attribute-cache-regex</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>release-signal-id</key>
<value>${gateName}</value>
</entry>
<entry>
<key>signal-counter-name</key>
<value>default</value>
</entry>
<entry>
<key>signal-counter-delta</key>
<value>1</value>
</entry>
<entry>
<key>signal-buffer-count</key>
<value>1</value>
</entry>
<entry>
<key>distributed-cache-service</key>
<value>7188d03c-28ec-3823-0000-000000000000</value>
</entry>
<entry>
<key>attribute-cache-regex</key>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>open gate</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>failure</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.standard.Notify</type>
</processors>
<processors>
<id>281b4b18-59cc-35ea-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>96.0</x>
<y>432.0</y>
</position>
<versionedComponentId>e65b9d1f-c7b4-3522-adbf-e60685fa5a0c</versionedComponentId>
<bundle>
<artifact>nifi-standard-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>release-signal-id</key>
<value>
<name>release-signal-id</name>
</value>
</entry>
<entry>
<key>target-signal-count</key>
<value>
<name>target-signal-count</name>
</value>
</entry>
<entry>
<key>signal-counter-name</key>
<value>
<name>signal-counter-name</name>
</value>
</entry>
<entry>
<key>wait-buffer-count</key>
<value>
<name>wait-buffer-count</name>
</value>
</entry>
<entry>
<key>releasable-flowfile-count</key>
<value>
<name>releasable-flowfile-count</name>
</value>
</entry>
<entry>
<key>expiration-duration</key>
<value>
<name>expiration-duration</name>
</value>
</entry>
<entry>
<key>distributed-cache-service</key>
<value>
<identifiesControllerService>org.apache.nifi.distributed.cache.client.AtomicDistributedMapCacheClient</identifiesControllerService>
<name>distributed-cache-service</name>
</value>
</entry>
<entry>
<key>attribute-copy-mode</key>
<value>
<name>attribute-copy-mode</name>
</value>
</entry>
<entry>
<key>wait-mode</key>
<value>
<name>wait-mode</name>
</value>
</entry>
<entry>
<key>wait-penalty-duration</key>
<value>
<name>wait-penalty-duration</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>release-signal-id</key>
<value>${gateName}</value>
</entry>
<entry>
<key>target-signal-count</key>
<value>1</value>
</entry>
<entry>
<key>signal-counter-name</key>
</entry>
<entry>
<key>wait-buffer-count</key>
<value>1</value>
</entry>
<entry>
<key>releasable-flowfile-count</key>
<value>1</value>
</entry>
<entry>
<key>expiration-duration</key>
<value>1 hour</value>
</entry>
<entry>
<key>distributed-cache-service</key>
<value>7188d03c-28ec-3823-0000-000000000000</value>
</entry>
<entry>
<key>attribute-copy-mode</key>
<value>keeporiginal</value>
</entry>
<entry>
<key>wait-mode</key>
<value>keep</value>
</entry>
<entry>
<key>wait-penalty-duration</key>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>1 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>Gate</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>expired</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>failure</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>wait</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.standard.Wait</type>
</processors>
<processors>
<id>5c40a785-027a-34a3-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>768.0</x>
<y>176.0</y>
</position>
<versionedComponentId>70b18b33-b219-30a8-8d07-3920181a73b3</versionedComponentId>
<bundle>
<artifact>nifi-standard-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>Routing Strategy</key>
<value>
<name>Routing Strategy</name>
</value>
</entry>
<entry>
<key>gateTrigger</key>
<value>
<name>gateTrigger</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>Routing Strategy</key>
<value>Route to Property name</value>
</entry>
<entry>
<key>gateTrigger</key>
<value>${gateTrigger:notNull()}</value>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>drop gateTrigger</name>
<relationships>
<autoTerminate>true</autoTerminate>
<name>gateTrigger</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>unmatched</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.standard.RouteOnAttribute</type>
</processors>
<processors>
<id>64d6e957-bebf-302a-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>768.0</x>
<y>-112.0</y>
</position>
<versionedComponentId>8c0072e9-617b-3f2b-b834-e24353453413</versionedComponentId>
<bundle>
<artifact>nifi-standard-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>release-signal-id</key>
<value>
<name>release-signal-id</name>
</value>
</entry>
<entry>
<key>signal-counter-name</key>
<value>
<name>signal-counter-name</name>
</value>
</entry>
<entry>
<key>signal-counter-delta</key>
<value>
<name>signal-counter-delta</name>
</value>
</entry>
<entry>
<key>signal-buffer-count</key>
<value>
<name>signal-buffer-count</name>
</value>
</entry>
<entry>
<key>distributed-cache-service</key>
<value>
<identifiesControllerService>org.apache.nifi.distributed.cache.client.AtomicDistributedMapCacheClient</identifiesControllerService>
<name>distributed-cache-service</name>
</value>
</entry>
<entry>
<key>attribute-cache-regex</key>
<value>
<name>attribute-cache-regex</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>release-signal-id</key>
<value>${gateName}</value>
</entry>
<entry>
<key>signal-counter-name</key>
<value>default</value>
</entry>
<entry>
<key>signal-counter-delta</key>
<value>0</value>
</entry>
<entry>
<key>signal-buffer-count</key>
<value>1</value>
</entry>
<entry>
<key>distributed-cache-service</key>
<value>7188d03c-28ec-3823-0000-000000000000</value>
</entry>
<entry>
<key>attribute-cache-regex</key>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>reset gate to closed</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>failure</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.standard.Notify</type>
</processors>
<processors>
<id>65c1846f-7f24-383b-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>-280.0</x>
<y>-184.0</y>
</position>
<versionedComponentId>65c1846f-7f24-383b-b014-336afc21ec1d</versionedComponentId>
<bundle>
<artifact>nifi-update-attribute-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>Delete Attributes Expression</key>
<value>
<name>Delete Attributes Expression</name>
</value>
</entry>
<entry>
<key>Store State</key>
<value>
<name>Store State</name>
</value>
</entry>
<entry>
<key>Stateful Variables Initial Value</key>
<value>
<name>Stateful Variables Initial Value</name>
</value>
</entry>
<entry>
<key>canonical-value-lookup-cache-size</key>
<value>
<name>canonical-value-lookup-cache-size</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>Delete Attributes Expression</key>
<value>wait.*</value>
</entry>
<entry>
<key>Store State</key>
<value>Do not store state</value>
</entry>
<entry>
<key>Stateful Variables Initial Value</key>
</entry>
<entry>
<key>canonical-value-lookup-cache-size</key>
<value>100</value>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>Reset expired files</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.attributes.UpdateAttribute</type>
</processors>
<processors>
<id>725437db-acac-3702-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>96.0</x>
<y>576.0</y>
</position>
<versionedComponentId>5a3d6b84-0231-3238-82e5-c5618ce15a5b</versionedComponentId>
<bundle>
<artifact>nifi-standard-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>release-signal-id</key>
<value>
<name>release-signal-id</name>
</value>
</entry>
<entry>
<key>signal-counter-name</key>
<value>
<name>signal-counter-name</name>
</value>
</entry>
<entry>
<key>signal-counter-delta</key>
<value>
<name>signal-counter-delta</name>
</value>
</entry>
<entry>
<key>signal-buffer-count</key>
<value>
<name>signal-buffer-count</name>
</value>
</entry>
<entry>
<key>distributed-cache-service</key>
<value>
<identifiesControllerService>org.apache.nifi.distributed.cache.client.AtomicDistributedMapCacheClient</identifiesControllerService>
<name>distributed-cache-service</name>
</value>
</entry>
<entry>
<key>attribute-cache-regex</key>
<value>
<name>attribute-cache-regex</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>release-signal-id</key>
<value>${gateName}</value>
</entry>
<entry>
<key>signal-counter-name</key>
<value>default</value>
</entry>
<entry>
<key>signal-counter-delta</key>
<value>0</value>
</entry>
<entry>
<key>signal-buffer-count</key>
<value>1</value>
</entry>
<entry>
<key>distributed-cache-service</key>
<value>7188d03c-28ec-3823-0000-000000000000</value>
</entry>
<entry>
<key>attribute-cache-regex</key>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>Close gate</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>failure</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.standard.Notify</type>
</processors>
<processors>
<id>77fc8be4-9de7-30d6-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>96.0</x>
<y>-264.0</y>
</position>
<versionedComponentId>77fc8be4-9de7-30d6-a676-3db2733ffe70</versionedComponentId>
<bundle>
<artifact>nifi-update-attribute-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>Delete Attributes Expression</key>
<value>
<name>Delete Attributes Expression</name>
</value>
</entry>
<entry>
<key>Store State</key>
<value>
<name>Store State</name>
</value>
</entry>
<entry>
<key>Stateful Variables Initial Value</key>
<value>
<name>Stateful Variables Initial Value</name>
</value>
</entry>
<entry>
<key>canonical-value-lookup-cache-size</key>
<value>
<name>canonical-value-lookup-cache-size</name>
</value>
</entry>
<entry>
<key>gateName</key>
<value>
<name>gateName</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>Delete Attributes Expression</key>
</entry>
<entry>
<key>Store State</key>
<value>Do not store state</value>
</entry>
<entry>
<key>Stateful Variables Initial Value</key>
</entry>
<entry>
<key>canonical-value-lookup-cache-size</key>
<value>100</value>
</entry>
<entry>
<key>gateName</key>
<value>${hostname(true)}_GATE-${gateUUID}</value>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>set gateName</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.attributes.UpdateAttribute</type>
</processors>
<processors>
<id>7d1765c8-6712-3e5d-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>96.0</x>
<y>-128.0</y>
</position>
<versionedComponentId>7e0fc3a4-f830-3f6c-9b0d-1e2144bded42</versionedComponentId>
<bundle>
<artifact>nifi-standard-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>Routing Strategy</key>
<value>
<name>Routing Strategy</name>
</value>
</entry>
<entry>
<key>initial</key>
<value>
<name>initial</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>Routing Strategy</key>
<value>Route to Property name</value>
</entry>
<entry>
<key>initial</key>
<value>${initialTrigger:equals('true')}</value>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>Route initial</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>initial</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>unmatched</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.standard.RouteOnAttribute</type>
</processors>
<processors>
<id>93550f02-42f2-3b51-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>96.0</x>
<y>-416.0</y>
</position>
<versionedComponentId>df59d0c9-1301-3c77-b277-6f7871764408</versionedComponentId>
<bundle>
<artifact>nifi-update-attribute-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<annotationData><criteria>
<flowFilePolicy>USE_ORIGINAL</flowFilePolicy>
</criteria></annotationData>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>Delete Attributes Expression</key>
<value>
<name>Delete Attributes Expression</name>
</value>
</entry>
<entry>
<key>Store State</key>
<value>
<name>Store State</name>
</value>
</entry>
<entry>
<key>Stateful Variables Initial Value</key>
<value>
<name>Stateful Variables Initial Value</name>
</value>
</entry>
<entry>
<key>canonical-value-lookup-cache-size</key>
<value>
<name>canonical-value-lookup-cache-size</name>
</value>
</entry>
<entry>
<key>gateUUID</key>
<value>
<name>gateUUID</name>
</value>
</entry>
<entry>
<key>initialTrigger</key>
<value>
<name>initialTrigger</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>Delete Attributes Expression</key>
</entry>
<entry>
<key>Store State</key>
<value>Store state locally</value>
</entry>
<entry>
<key>Stateful Variables Initial Value</key>
<value>yes</value>
</entry>
<entry>
<key>canonical-value-lookup-cache-size</key>
<value>100</value>
</entry>
<entry>
<key>gateUUID</key>
<value>${getStateValue('gateUUID'):equals('yes'):ifElse(${UUID()},${getStateValue('gateUUID')})}</value>
</entry>
<entry>
<key>initialTrigger</key>
<value>${getStateValue('initialTrigger'):equals('yes'):ifElse(true,false)}</value>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>set initial and gateUUID</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>set state fail</name>
</relationships>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.attributes.UpdateAttribute</type>
</processors>
<processors>
<id>f03ec345-ff0a-3a88-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>1392.0</x>
<y>-384.0</y>
</position>
<versionedComponentId>a5200134-6621-3987-97d2-5cc471ff63bd</versionedComponentId>
<bundle>
<artifact>nifi-standard-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>File Size</key>
<value>
<name>File Size</name>
</value>
</entry>
<entry>
<key>Batch Size</key>
<value>
<name>Batch Size</name>
</value>
</entry>
<entry>
<key>Data Format</key>
<value>
<name>Data Format</name>
</value>
</entry>
<entry>
<key>Unique FlowFiles</key>
<value>
<name>Unique FlowFiles</name>
</value>
</entry>
<entry>
<key>generate-ff-custom-text</key>
<value>
<name>generate-ff-custom-text</name>
</value>
</entry>
<entry>
<key>character-set</key>
<value>
<name>character-set</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>File Size</key>
<value>0B</value>
</entry>
<entry>
<key>Batch Size</key>
<value>1</value>
</entry>
<entry>
<key>Data Format</key>
<value>Text</value>
</entry>
<entry>
<key>Unique FlowFiles</key>
<value>false</value>
</entry>
<entry>
<key>generate-ff-custom-text</key>
</entry>
<entry>
<key>character-set</key>
<value>UTF-8</value>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>60 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>Manual trigger</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<state>DISABLED</state>
<style/>
<type>org.apache.nifi.processors.standard.GenerateFlowFile</type>
</processors>
<processors>
<id>f439139f-53fc-3fde-0000-000000000000</id>
<parentGroupId>5689540c-d93b-33f5-0000-000000000000</parentGroupId>
<position>
<x>768.0</x>
<y>-256.0</y>
</position>
<versionedComponentId>f439139f-53fc-3fde-9eda-696f7eba7660</versionedComponentId>
<bundle>
<artifact>nifi-update-attribute-nar</artifact>
<group>org.apache.nifi</group>
<version>1.11.4</version>
</bundle>
<config>
<bulletinLevel>WARN</bulletinLevel>
<comments></comments>
<concurrentlySchedulableTaskCount>1</concurrentlySchedulableTaskCount>
<descriptors>
<entry>
<key>Delete Attributes Expression</key>
<value>
<name>Delete Attributes Expression</name>
</value>
</entry>
<entry>
<key>Store State</key>
<value>
<name>Store State</name>
</value>
</entry>
<entry>
<key>Stateful Variables Initial Value</key>
<value>
<name>Stateful Variables Initial Value</name>
</value>
</entry>
<entry>
<key>canonical-value-lookup-cache-size</key>
<value>
<name>canonical-value-lookup-cache-size</name>
</value>
</entry>
<entry>
<key>gateTrigger</key>
<value>
<name>gateTrigger</name>
</value>
</entry>
</descriptors>
<executionNode>ALL</executionNode>
<lossTolerant>false</lossTolerant>
<penaltyDuration>30 sec</penaltyDuration>
<properties>
<entry>
<key>Delete Attributes Expression</key>
</entry>
<entry>
<key>Store State</key>
<value>Do not store state</value>
</entry>
<entry>
<key>Stateful Variables Initial Value</key>
</entry>
<entry>
<key>canonical-value-lookup-cache-size</key>
<value>100</value>
</entry>
<entry>
<key>gateTrigger</key>
<value>yes</value>
</entry>
</properties>
<runDurationMillis>0</runDurationMillis>
<schedulingPeriod>0 sec</schedulingPeriod>
<schedulingStrategy>TIMER_DRIVEN</schedulingStrategy>
<yieldDuration>1 sec</yieldDuration>
</config>
<executionNodeRestricted>false</executionNodeRestricted>
<name>set gateTrigger</name>
<relationships>
<autoTerminate>false</autoTerminate>
<name>success</name>
</relationships>
<state>STOPPED</state>
<style/>
<type>org.apache.nifi.processors.attributes.UpdateAttribute</type>
</processors>
</contents>
<name>Wait-Notify Gate</name>
<variables/>
</processGroups>
</snippet>
<timestamp>08/03/2020 07:04:41 CEST</timestamp>
</template>
