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is json preferred or required? If xml can be an option, there are tools
(including Scott's xpat port (I've used this when other tools had size
limits)... Sounds like you need something to read/build in chunks.
Define "big".

Jim Franz

On Thu, Jan 23, 2025 at 2:42 PM <smith5646midrange@xxxxxxxxx> wrote:

Nevermind. I got the answer in a different form. The program abended.
Apparently, it exceeded the max space for the YAJL buffer.

-----Original Message-----
From: smith5646midrange@xxxxxxxxx <smith5646midrange@xxxxxxxxx>
Sent: Thursday, January 23, 2025 2:27 PM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx

Subject: YAJL and BIG files

I have a program that uses SQL to read a table and write the JSON
reformatted data to the IFS using YAJL. This is going to be a BIG file.
Since YAJL builds the file in memory, this is going to consume a LOT of
memory.

In the Windows world, when a program needs memory and none is available,
Windows shuffles some memory to disk and frees up that memory. Does the
IBM i basically work the same way or am I going to eat all of the memory
and crash the machine? ☹

I'm thinking that I might need to rewrite the program to get away from
YAJL and just manually write each record to the IFS as it is processed.

Thoughts?



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