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Author Topic: [ANN][BURST] Burst | Efficient HDD Mining | New 1.2.3 Fork block 92000  (Read 2016269 times)
Depredation
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August 10, 2014, 11:27:44 PM
 #81

Getting "could not reserve enough space for object heap" when trying to generate plots
Use a smaller value instead of 8191 then, and make the number of plots a multiple of that. 8191 is ideal if you have a lot of ram, but unusable if you don't. Try 4000 or something instead. Higher numbers cause less HDD seeking while mining, but take more ram to generate.

you really need to give real example opf this: 

Now you can run run_generate.bat like this "run_generate.bat <number retrieved in last step> <plot number you want to start with> <number of plots you want to generate> 8191 <number of threads>
The number of plots should be a multiple of 8191.

Where 12345678 is the number dumped to address.txt,
run_generate.bat 12345678 1 819100 8191 4
That would start to generate plots for nonces 1 - 819100 for address 12345678 using 4 cores for calculations. The resulting file will be about 200GB

For people who have less ram and can't do the above:
run_generate.bat 12345678 1 800000 4000 4
Uses half the rame to generate, and will cover about the same range, but more hdd seeking will be done while mining.

Thanks! Currently it says generating from nonce: 1
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ReDPoiSoN
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August 10, 2014, 11:29:12 PM
 #82

Getting "could not reserve enough space for object heap" when trying to generate plots
Use a smaller value instead of 8191 then, and make the number of plots a multiple of that. 8191 is ideal if you have a lot of ram, but unusable if you don't. Try 4000 or something instead. Higher numbers cause less HDD seeking while mining, but take more ram to generate.

you really need to give real example opf this: 

Now you can run run_generate.bat like this "run_generate.bat <number retrieved in last step> <plot number you want to start with> <number of plots you want to generate> 8191 <number of threads>
The number of plots should be a multiple of 8191.

Where 12345678 is the number dumped to address.txt,
run_generate.bat 12345678 1 819100 8191 4
That would start to generate plots for nonces 1 - 819100 for address 12345678 using 4 cores for calculations. The resulting file will be about 200GB

For people who have less ram and can't do the above:
run_generate.bat 12345678 1 800000 4000 4
Uses half the rame to generate, and will cover about the same range, but more hdd seeking will be done while mining.

Sad

Error occurred during initialization of VM
Could not reserve enough space for object heap
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

Same for me.. And I've 1.8 Tb free..
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August 10, 2014, 11:30:31 PM
 #83

Very cool. I want to get involved with this!
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August 10, 2014, 11:31:47 PM
 #84

Getting "could not reserve enough space for object heap" when trying to generate plots
Use a smaller value instead of 8191 then, and make the number of plots a multiple of that. 8191 is ideal if you have a lot of ram, but unusable if you don't. Try 4000 or something instead. Higher numbers cause less HDD seeking while mining, but take more ram to generate.

you really need to give real example opf this: 

Now you can run run_generate.bat like this "run_generate.bat <number retrieved in last step> <plot number you want to start with> <number of plots you want to generate> 8191 <number of threads>
The number of plots should be a multiple of 8191.

Where 12345678 is the number dumped to address.txt,
run_generate.bat 12345678 1 819100 8191 4
That would start to generate plots for nonces 1 - 819100 for address 12345678 using 4 cores for calculations. The resulting file will be about 200GB

For people who have less ram and can't do the above:
run_generate.bat 12345678 1 800000 4000 4
Uses half the rame to generate, and will cover about the same range, but more hdd seeking will be done while mining.

Sad

Error occurred during initialization of VM
Could not reserve enough space for object heap
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

Me too - tried on 2 machines...  Any advice dev?
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August 10, 2014, 11:32:07 PM
 #85

Sorry for the slow reply, forum keeps telling me I'm trying to post again too soon.

Getting "could not reserve enough space for object heap" when trying to generate plots
Use a smaller value instead of 8191 then, and make the number of plots a multiple of that. 8191 is ideal if you have a lot of ram, but unusable if you don't. Try 4000 or something instead. Higher numbers cause less HDD seeking while mining, but take more ram to generate.

I continue to get the memory error above.  I have 4 gigs of ram.  Here's my command line statement:
Code:
run_generate address_number 0 409550 500 1

Am I missing something?

Try removing the -Xmx4000m part from the bat file. It might be trying to force too much ram.

Getting "could not reserve enough space for object heap" when trying to generate plots
Use a smaller value instead of 8191 then, and make the number of plots a multiple of that. 8191 is ideal if you have a lot of ram, but unusable if you don't. Try 4000 or something instead. Higher numbers cause less HDD seeking while mining, but take more ram to generate.

you really need to give real example opf this:  

Now you can run run_generate.bat like this "run_generate.bat <number retrieved in last step> <plot number you want to start with> <number of plots you want to generate> 8191 <number of threads>
The number of plots should be a multiple of 8191.


workin on getting this figured out...what plot number is smart to start with 0?  how many threads should be used?

You can start wherever you want, but 0 or 1 makes sense to keep it simple.

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August 10, 2014, 11:32:19 PM
 #86

Should we expect any indication of progress while it is generating plots? Mine also says generating from nonce: 1 and nothing further.


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August 10, 2014, 11:35:12 PM
 #87


Try removing the -Xmx4000m part from the bat file. It might be trying to force too much ram.


did it and got this LOL


Uncaught error from thread [default-akka.actor.default-dispatcher-3] shutting do
wn JVM since 'akka.jvm-exit-on-fatal-error' is enabled for ActorSystem[default]
java.lang.OutOfMemoryError: Java heap space
        at pocminer.GenerateSupr.init(GenerateSupr.java:61)
        at pocminer.GenerateSupr.preStart(GenerateSupr.java:55)
        at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
        at akka.actor.UntypedActor.aroundPreStart(UntypedActor.scala:97)
        at akka.actor.ActorCell.create(ActorCell.scala:580)
        at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
        at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
[ERROR] [08/10/2014 20:34:09.904] [default-akka.actor.default-dispatcher-3] [Act
orSystem(default)] Uncaught error from thread [default-akka.actor.default-dispat
cher-3] shutting down JVM since 'akka.jvm-exit-on-fatal-error' is enabled
java.lang.OutOfMemoryError: Java heap space
        at pocminer.GenerateSupr.init(GenerateSupr.java:61)
        at pocminer.GenerateSupr.preStart(GenerateSupr.java:55)
        at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
        at akka.actor.UntypedActor.aroundPreStart(UntypedActor.scala:97)
        at akka.actor.ActorCell.create(ActorCell.scala:580)
        at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
        at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
        at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)
        at akka.dispatch.Mailbox.run(Mailbox.scala:219)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)
        at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)

        at akka.dispatch.Mailbox.run(Mailbox.scala:219)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)

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August 10, 2014, 11:36:02 PM
 #88

E:\pocminer_v1>java -Xmx4000m -cp pocminer.jar;lib/*;lib/akka/*;lib/jetty/* pocm
iner.POCMiner generate (address) 0 24573 4000 2
Generating from nonce: 0



It's telling me that it's generating from nonce 0 and it's created a file in the 'plots' folder, but that file is 0 bytes. Any help?
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August 10, 2014, 11:36:43 PM
 #89

Should we expect any indication of progress while it is generating plots? Mine also says generating from nonce: 1 and nothing further.

Same here. Could you tell me what's in your 'plots' folder? It's only given me a file that is 0 bytes in size.
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August 10, 2014, 11:37:34 PM
 #90

Should we expect any indication of progress while it is generating plots? Mine also says generating from nonce: 1 and nothing further.

Same here. Could you tell me what's in your 'plots' folder? It's only given me a file that is 0 bytes in size.
Yep same here.
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August 10, 2014, 11:37:41 PM
 #91

Sorry for the slow reply, forum keeps telling me I'm trying to post again too soon.

Getting "could not reserve enough space for object heap" when trying to generate plots
Use a smaller value instead of 8191 then, and make the number of plots a multiple of that. 8191 is ideal if you have a lot of ram, but unusable if you don't. Try 4000 or something instead. Higher numbers cause less HDD seeking while mining, but take more ram to generate.

I continue to get the memory error above.  I have 4 gigs of ram.  Here's my command line statement:
Code:
run_generate address_number 0 409550 500 1

Am I missing something?

Try removing the -Xmx4000m part from the bat file. It might be trying to force too much ram.

I removed -Xmx4000m completely and tried editing the value to -Xmx1000m.  Both times I received a new error:
Code:
     
at akka.dispatch.Mailbox.run(Mailbox.scala:219)
[ERROR] [08/10/2014 16:35:14.717] [default-akka.actor.default-dispatcher-3] [Act
orSystem(default)] Uncaught error from thread [default-akka.actor.default-dispat
cher-3] shutting down JVM since 'akka.jvm-exit-on-fatal-error' is enabled
java.lang.OutOfMemoryError: Java heap space
        at pocminer.GenerateSupr.init(GenerateSupr.java:61)
        at pocminer.GenerateSupr.preStart(GenerateSupr.java:55)
        at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
        at akka.actor.UntypedActor.aroundPreStart(UntypedActor.scala:97)
        at akka.actor.ActorCell.create(ActorCell.scala:580)
        at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
        at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
        at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)
        at akka.dispatch.Mailbox.run(Mailbox.scala:219)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)

        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)

Same error on 2 machines - 1 with 4 gigs of RAM and 1 with 8 gigs.
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August 10, 2014, 11:38:11 PM
 #92

Should we expect any indication of progress while it is generating plots? Mine also says generating from nonce: 1 and nothing further.




I has moved on. I will assume all is well.



I have 2 HDD. 1 SSD and a traditional drive. My intention was to use the free space on my traditional drive. (secondary)

Did we need to specify that somewhere? Or doesn't it matter.
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August 10, 2014, 11:38:43 PM
 #93

Sorry for the slow reply, forum keeps telling me I'm trying to post again too soon.

Getting "could not reserve enough space for object heap" when trying to generate plots
Use a smaller value instead of 8191 then, and make the number of plots a multiple of that. 8191 is ideal if you have a lot of ram, but unusable if you don't. Try 4000 or something instead. Higher numbers cause less HDD seeking while mining, but take more ram to generate.

I continue to get the memory error above.  I have 4 gigs of ram.  Here's my command line statement:
Code:
run_generate address_number 0 409550 500 1

Am I missing something?

Try removing the -Xmx4000m part from the bat file. It might be trying to force too much ram.

I removed -Xmx4000m completely and tried editing the value to -Xmx1000m.  Both times I received a new error:
Code:
       
at akka.dispatch.Mailbox.run(Mailbox.scala:219)
[ERROR] [08/10/2014 16:35:14.717] [default-akka.actor.default-dispatcher-3] [Act
orSystem(default)] Uncaught error from thread [default-akka.actor.default-dispat
cher-3] shutting down JVM since 'akka.jvm-exit-on-fatal-error' is enabled
java.lang.OutOfMemoryError: Java heap space
        at pocminer.GenerateSupr.init(GenerateSupr.java:61)
        at pocminer.GenerateSupr.preStart(GenerateSupr.java:55)
        at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
        at akka.actor.UntypedActor.aroundPreStart(UntypedActor.scala:97)
        at akka.actor.ActorCell.create(ActorCell.scala:580)
        at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
        at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
        at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)
        at akka.dispatch.Mailbox.run(Mailbox.scala:219)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)

        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)

Same problem.

burstcoin
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August 10, 2014, 11:38:48 PM
 #94

Should we expect any indication of progress while it is generating plots? Mine also says generating from nonce: 1 and nothing further.



E:\pocminer_v1>java -Xmx4000m -cp pocminer.jar;lib/*;lib/akka/*;lib/jetty/* pocm
iner.POCMiner generate (address) 0 24573 4000 2
Generating from nonce: 0



It's telling me that it's generating from nonce 0 and it's created a file in the 'plots' folder, but that file is 0 bytes. Any help?
When it finishes its staggered chunk(eg 8191 or whatever you are using for that value) it will switch to writing from 1, then go to generating from a different number.


Try removing the -Xmx4000m part from the bat file. It might be trying to force too much ram.


did it and got this LOL


Uncaught error from thread [default-akka.actor.default-dispatcher-3] shutting do
wn JVM since 'akka.jvm-exit-on-fatal-error' is enabled for ActorSystem[default]
java.lang.OutOfMemoryError: Java heap space
        at pocminer.GenerateSupr.init(GenerateSupr.java:61)
        at pocminer.GenerateSupr.preStart(GenerateSupr.java:55)
        at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
        at akka.actor.UntypedActor.aroundPreStart(UntypedActor.scala:97)
        at akka.actor.ActorCell.create(ActorCell.scala:580)
        at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
        at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
[ERROR] [08/10/2014 20:34:09.904] [default-akka.actor.default-dispatcher-3] [Act
orSystem(default)] Uncaught error from thread [default-akka.actor.default-dispat
cher-3] shutting down JVM since 'akka.jvm-exit-on-fatal-error' is enabled
java.lang.OutOfMemoryError: Java heap space
        at pocminer.GenerateSupr.init(GenerateSupr.java:61)
        at pocminer.GenerateSupr.preStart(GenerateSupr.java:55)
        at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
        at akka.actor.UntypedActor.aroundPreStart(UntypedActor.scala:97)
        at akka.actor.ActorCell.create(ActorCell.scala:580)
        at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
        at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
        at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)
        at akka.dispatch.Mailbox.run(Mailbox.scala:219)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)
        at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)

        at akka.dispatch.Mailbox.run(Mailbox.scala:219)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)

OutofMemoryError indicated the 8191, or 4000, or whatever is too large for the amount of memory it has access to. Try an even lower number.

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ReDPoiSoN
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August 10, 2014, 11:39:06 PM
 #95

I've got 16 gb ram, i7 4770k and I want to use 200gb. What's the right command please!?
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August 10, 2014, 11:39:30 PM
 #96

Should we expect any indication of progress while it is generating plots? Mine also says generating from nonce: 1 and nothing further.

Same here. Could you tell me what's in your 'plots' folder? It's only given me a file that is 0 bytes in size.
Yep same here.

C:\data\big\pocminer_v1>java -Xmx8191m -cp pocminer.jar;lib/*;lib/akka/*;lib/jetty/* pocminer.POCMiner generate 11026233815306368567 0 1638200 8191 4
Generating from nonce: 0
Writing from nonce 0
Generating from nonce: 8191
Writing from nonce 8191
Generating from nonce: 16382
Writing from nonce 16382
Generating from nonce: 24573


just be patient ... takes some time ... file size will appear after all is created.

GPU assisted PoC-Miner for Burstcoin (BURST) - https://bitcointalk.org/index.php?topic=1170987.0 - BURST-LUXE-RED2-G6JW-H4HG5
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August 10, 2014, 11:39:52 PM
 #97

I can't get it to generate an address, Error: no passphrases.txt found.

Any ideas?
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August 10, 2014, 11:40:17 PM
 #98

Should we expect any indication of progress while it is generating plots? Mine also says generating from nonce: 1 and nothing further.




I has moved on. I will assume all is well.



I have 2 HDD. 1 SSD and a traditional drive. My intention was to use the free space on my traditional drive. (secondary)

Did we need to specify that somewhere? Or doesn't it matter.
I just moved the folder to the drive I wanted to use.  Not sure if that works or not yet.
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August 10, 2014, 11:40:55 PM
 #99

I can't get it to generate an address, Error: no passphrases.txt found.

Any ideas?
You need to put a password in the passphrases.txt, or if you don't have one, make one.
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August 10, 2014, 11:43:23 PM
 #100

Should we expect any indication of progress while it is generating plots? Mine also says generating from nonce: 1 and nothing further.



E:\pocminer_v1>java -Xmx4000m -cp pocminer.jar;lib/*;lib/akka/*;lib/jetty/* pocm
iner.POCMiner generate (address) 0 24573 4000 2
Generating from nonce: 0



It's telling me that it's generating from nonce 0 and it's created a file in the 'plots' folder, but that file is 0 bytes. Any help?
When it finishes its staggered chunk(eg 8191 or whatever you are using for that value) it will switch to writing from 1, then go to generating from a different number.


Try removing the -Xmx4000m part from the bat file. It might be trying to force too much ram.


did it and got this LOL


Uncaught error from thread [default-akka.actor.default-dispatcher-3] shutting do
wn JVM since 'akka.jvm-exit-on-fatal-error' is enabled for ActorSystem[default]
java.lang.OutOfMemoryError: Java heap space
        at pocminer.GenerateSupr.init(GenerateSupr.java:61)
        at pocminer.GenerateSupr.preStart(GenerateSupr.java:55)
        at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
        at akka.actor.UntypedActor.aroundPreStart(UntypedActor.scala:97)
        at akka.actor.ActorCell.create(ActorCell.scala:580)
        at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
        at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
[ERROR] [08/10/2014 20:34:09.904] [default-akka.actor.default-dispatcher-3] [Act
orSystem(default)] Uncaught error from thread [default-akka.actor.default-dispat
cher-3] shutting down JVM since 'akka.jvm-exit-on-fatal-error' is enabled
java.lang.OutOfMemoryError: Java heap space
        at pocminer.GenerateSupr.init(GenerateSupr.java:61)
        at pocminer.GenerateSupr.preStart(GenerateSupr.java:55)
        at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
        at akka.actor.UntypedActor.aroundPreStart(UntypedActor.scala:97)
        at akka.actor.ActorCell.create(ActorCell.scala:580)
        at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
        at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
        at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)
        at akka.dispatch.Mailbox.run(Mailbox.scala:219)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)
        at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)

        at akka.dispatch.Mailbox.run(Mailbox.scala:219)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(Abst
ractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool
.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:19
79)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThre
ad.java:107)

OutofMemoryError indicated the 8191, or 4000, or whatever is too large for the amount of memory it has access to. Try an even lower number.

Got it.  Had to lower to 1000 for my machine with 8 gigs and 500 with 4 gigs.  Generating away.  Thanks for the support dev!
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