chokes on large json file

[porjo]

jsonui chokes on this 1.3MB file:

video.json.gz

Navigating up/down causes a 5 second delay while CPU sits at 100%. Memory usage is in excess of 400MB RSS.

[gulyasm]

Hi @porjo . I'm without my machine for the next 3 weeks. I will try to look into this when I have my machine back.

[porjo]

Here's the cpu profile output from pprof:

pprof001.svg.gz

Seems to be tied up with memory management

[bAndie91]

it's considerably slow on a 360 kB file too.

[rmasci]

Any movement on improving the speed? I've run it on some pretty large systems and it chokes on files that are only a few hundred lines long.