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From Aldrin Piri <aldrinp...@gmail.com>
Subject Re: Array into MongoDB
Date Thu, 24 Sep 2015 22:54:06 GMT
Bryan is correct about the backing library reading everything into memory
to do the evaluation.

Might I ask what the expression you are using?

On Thu, Sep 24, 2015 at 6:44 PM, Adam Williams <aaronfwilliams@outlook.com>
wrote:

> I tried it even with 6GB and no luck.  It's receiving the flowfiles, but
> nothing is happening after.  If i do it with a small subset (3 JSON
> objects) it works perfect.  When i throw the 180MB file it just spins, no
> logging, errors etc very odd.  Any thoughts?
>
> Thanks
>
> ------------------------------
> From: aaronfwilliams@outlook.com
> To: users@nifi.apache.org
> Subject: RE: Array into MongoDB
> Date: Thu, 24 Sep 2015 21:23:35 +0000
>
>
> Bryan,
>
> I think that is whats happening, fans spinning like crazy, this is my
> current bootstrap.conf.  I will bump it up, are there any other settings i
> should bump too?
>
> java.arg.2=-Xms512m
>
> java.arg.3=-Xmx2048m
>
> Thanks
>
> ------------------------------
> Date: Thu, 24 Sep 2015 17:20:27 -0400
> Subject: Re: Array into MongoDB
> From: bbende@gmail.com
> To: users@nifi.apache.org
>
> One other thing I thought of... I think the JSON processors read the
> entire FlowFile content into memory to do the splitting/evaluating, so I
> wonder if you are running into a memory issue with a 180MB JSON file.
>
> Are you running with the default configuration of 512mb set in
> conf/bootstrap.conf ?  If so it would be interesting to see what happens if
> you bump that up.
>
> On Thu, Sep 24, 2015 at 5:06 PM, Bryan Bende <bbende@gmail.com> wrote:
>
> Adam,
>
> Based on that message I suspect that MongoDB does not support sending in
> an array of documents since it looks like it expect the first character to
> be the start of a document and not an array.
>
> With regards to the SplitJson processor, if you set the JSON Path to $
> then it should split at the top-level and send out each of your two
> documents on the splits relationship.
>
> -Bryan
>
>
> On Thu, Sep 24, 2015 at 4:36 PM, Adam Williams <aaronfwilliams@outlook.com
> > wrote:
>
> I have an array of JSON object I am trying to put into Mongo, but I keep
> hitting this on the PutMongo processor:
>
> ERROR [Timer-Driven Process Thread-1] o.a.nifi.processors.mongodb.PutMongo
> PutMongo[id=c576f8cc-6e21-4881-a7cd-6e3881838a91] Failed to insert
> StandardFlowFileRecord[uuid=2c670a40-7934-4bc6-b054-1cba23fe7b0f,claim=StandardContentClaim
> [resourceClaim=StandardResourceClaim[id=1443125646319-1, container=default,
> section=1], offset=0,
> length=208380820],offset=0,name=test.json,size=208380820] into MongoDB due
> to org.bson.BsonInvalidOperationException: readStartDocument can only be
> called when CurrentBSONType is DOCUMENT, not when CurrentBSONType is
> ARRAY.: org.bson.BsonInvalidOperationException: readStartDocument can only
> be called when CurrentBSONType is DOCUMENT, not when CurrentBSONType is
> ARRAY.
>
>
>
> I tried to use the splitJson processor to split the array into segments,
> but to my experience I can't pull out each Json Obect.  The splitjson
> processor just hangs and never produces logs or any output at all.  The
> structure of my data is:
>
>
> [{"id":1, "stat":"something"},{"id":2, "stat":"anothersomething"}]
>
>
> The JSON file itself is pretty large (>100mb).
>
>
> Thank you
>
>
>
>

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