Great.  That works.  I should have checked something like this first.
Thanks.

On Thu, Feb 6, 2020 at 1:34 PM Jacques Nadeau <[email protected]> wrote:

> The jvm imposes a limit as well. The value you pass into the allocators
> only matters if it is below the jvm setting. You'll need to change the jvm
> setting via -XX:MaxDirectMemorySize=<size>
>
> https://www.eclipse.org/openj9/docs/xxmaxdirectmemorysize/
>
> On Thu, Feb 6, 2020 at 9:56 AM Justin Polchlopek <[email protected]>
> wrote:
>
>> Hi,
>>
>> I've been using Arrow Vectors as the underlying storage of some objects
>> to assist in the transmission of those objects, but as I am scaling up my
>> examples, I'm very quickly running into OOM errors.  Specifically
>>
>> Caused by: io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 
>> 16777216 byte(s) of direct memory (used: 939524096, max: 954728448)
>>
>> I'm a bit surprised.  The allocator managing the vectors is given by
>>
>> val allocator = new RootAllocator(Long.MaxValue)
>>
>> (I'm using the Java libs via Scala.)  I would expect to have more than 1GB 
>> available given that construction, but it looks like we're substantially 
>> memory-constrained.
>>
>> What can I do to increase the available pool of memory?
>>
>> Thanks
>>
>> -Justin
>>
>>

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