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From Vadim Gritsenko <>
Subject Re: DO NOT REPLY [Bug 23299] - [PATCH] UTFDataFormatException: String cannot be longer than 32k.
Date Wed, 12 Nov 2003 11:59:51 GMT
Torsten Curdt wrote:

> Well, that true ...but the current length is hold
> as 15-bit integer. The highest bit decides whether
> it's an index in a HashMap or not.
> As I said we could increase the length to 31-bit
> but that gives 2 additional bytes per character
> event.


> Let's not discuss this to death. I'll fix it :)

Minor suggestion. >32k events do not happen everyday, but <32k events 
do, a lot. So, instead of adding size to the <32k events, it's better to 
add some size to >32k events. What I mean is:
1) Leave length as it is, 2 bytes.
2) Have one value reserved, say 0xFFFF
3) In case of >32k event, write first 0xFFFF, and then 32 bit length.

This way, old events do not grow larger, only large event header 
increases - becames larger on 4 bytes.


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