LAE

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Originally posted by: spalluru

Hi ,
While we run many graphs ( around 25) at once on our server, our graphs are failing on drone related errors ( see below)

farm/drone settings are as below, Can you please let me know how can we resolve such errors ?

ls.brain.controller.farm = ( "localhost:7722:8" )
Server Specs : VM SuSe Linux, 8 Core CPU, 32 GB RAM , 64bit

Errors
+++++++
<logEvent timestamp="1404757402595" level="WARN">
<message xsi:type="rawMessage"><![CDATA[Unable to allocate minimum number of drones. Allocated 7 drones, requested 8 drones]]></message>
<detail xsi:type="javaDetail" class="com.lavastorm.brain.drone.executors.FarmFac tory" method="makeFixedFarm" file="FarmFactory.java" line="184"/>
</logEvent>
<logEvent timestamp="1404757402595" level="WARN">
<message xsi:type="rawMessage"><![CDATA[Error making default farm: Unable to allocate minimum number of drones. Allocated 7 drones, requested 8 drones]]></message>
<detail xsi:type="javaDetail" class="com.lavastorm.brain.drone.handlers.RemoteEx ecuteMessageHandler" method="makeDefaultFarm" file="RemoteExecuteMessageHandler.java" line="95"/>
</logEvent>
<logEvent timestamp="1404757402596" level="WARN">
<message xsi:type="rawMessage"><![CDATA[Error creating farm: Error making default farm: Unable to allocate minimum number of drones. Allocated 7 drones, requested 8 drones]]></message>
<detail xsi:type="javaDetail" class="com.lavastorm.brain.drone.handlers.ExecuteM essageHandler" method="startExecution" file="ExecuteMessageHandler.java" line="1078"/>
</logEvent>
<logEvent timestamp="1404757402597" level="WARN">
<message xsi:type="rawMessage"><![CDATA[Error in execution: Error creating farm: Error making default farm: Unable to allocate minimum number of drones. Allocated 7 drones, requested 8 drones]]></message>
<detail xsi:type="javaDetail" class="com.lavastorm.brain.drone.handlers.ExecuteM essageHandler" method="handle" file="ExecuteMessageHandler.java" line="153"/>
</logEvent>
<logEvent timestamp="1404757402598" level="WARN">
<message xsi:type="rawMessage"><![CDATA[Error handling message (REMOTEEXEC): Error in execution: Error creating farm: Error making default farm: Unable to allocate minimum number of drones. Allocated 7 drones, requested 8 drones]]></message>
<detail xsi:type="javaDetail" class="com.lavastorm.brain.drone.handlers.Abstract MessageHandler" method="handle" file="AbstractMessageHandler.java" line="113"/>
</logEvent>
<logEvent timestamp="1404757402598" level="WARN">
<message xsi:type="rawMessage"><![CDATA[Error handling message 'REMOTEEXEC': Error handling message (REMOTEEXEC): Error in execution: Error creating farm: Error making default farm: Unable to allocate minimum number of drones. Allocated 7 drones, requested 8 drones]]></message>
<detail xsi:type="javaDetail" class="com.lavastorm.brain.drone.Drone" method="handleMessage" file="Drone.java" line="327"/>
</logEvent>

-Sreekanth

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Originally posted by: xathras

Hi Sreekanth,
You're seeing that error as all the drones are being used by other processes. There is an additional parameter you need to look at. Go to the following path: /opt/software/lae/4.6.0/conf/brain/server
replace /opt/software/lae with your install folder. Then look at your pool.config file. Increase the number of drones available. Here is a snapshot of ours

pool:breoverflow
size:100
defaultuser:brain
end:breoverflow

pool:bre
size:100
defaultuser:brain
overflow:breoverflow
end:bre

Wayne

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Originally posted by: spalluru

Hi Wayne,

I see we have below settings in our pool.config file and all BRE users are added to group called users
As per the document "Thread Limit-Configuration.pdf" , if there is size specified it assumes pool size will be unlimited.
Do we still need to set the size as 100 here ?

# An unlimited pool for BRE users
pool:bre
defaultgroup:users
end:bre

-Sreekanth

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Originally posted by: spalluru

Any update on this please ?
-Sreekanth

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Originally posted by: xathras

Interest Sreekanth, in that cause I recommend you reach out to support.

Try modifying the pool to a bigger size just in case the "unlimited" isn't work as expected. I believe you'll need to restart.

If that fails reach out to support

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Originally posted by: spalluru

Hi Wayne,

As per the Thead Limit configuration document I see below statments

LAE’s Pool Assignment Method
LAE has several steps for reserving drones across a variety of cases:
1. If there is no pool configuration file specified for ls.brain.server.drone.poolconfig, drone throttling is turned off. All
drone requests will be met.

On out system ls.brain.server.drone.poolconfig is not set and hence it should allow all drone requests , but which is not happening please confirm ?
Can you let me know contact details of support ? whom exactly I should reach out to ?

lavadmin@lavasb02:/home/lavadmin> /opt/lavastorm/lae/4.6.1/bin/linux-x86-64/getProperties -d | grep drone
ls.brain.drone.handlers.registry = "/opt/lavastorm/lae/4.6.1/conf/brain/server/handlers/handlers.conf"
ls.brain.drone.executor.binary.extensionsenabled = "False"
ls.brain.drone.messageregistry = "/opt/lavastorm/lae/4.6.1/conf/brain/server/drone/messages.conf"
lavadmin@lavasb02:/home/lavadmin>
-Sreekanth

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Originally posted by: DanRosenblatt

Hi Sreekanth-- please report this to our support team at Technical Support. It would be helpful if you could include your ls_brain.prop file (located in <LAEInstallDir>/conf/brain ) and advise on how often you are seeing this occur.