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Date: Tue, 10 Jan 2012 09:28:20 +0800
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To: Rasmus Lerdorf <rasmus@php.net>
Cc: Stefan Esser <stefan@nopiracy.de>, Pierre Joye <pierre.php@gmail.com>, 
	PHP internals <internals@lists.php.net>, =?UTF-8?Q?Johannes_Schl=C3=BCter?= <johannes@schlueters.de>, 
	Laruence <laruence@php.net>
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Subject: Re: [PHP-DEV] Re: 5.3.9, Hash DoS, release
From: laruence@gmail.com (Xinchen Hui)

Sent from my iPhone

=E5=9C=A8 2012-1-10=EF=BC=8C1:51=EF=BC=8CRasmus Lerdorf <rasmus@php.net> =
=E5=86=99=E9=81=93=EF=BC=9A

> On 01/09/2012 09:18 AM, Xinchen Hui wrote:
>> Sent from my iPhone
>>
>> =E5=9C=A8 2012-1-10=EF=BC=8C1:14=EF=BC=8CRasmus Lerdorf <rasmus@php.net>=
 =E5=86=99=E9=81=93=EF=BC=9A
>>
>>> On 01/09/2012 08:50 AM, Xinchen Hui wrote:
>>>> Hi:
>>>>   I am not sure whether you have understood my point.
>>>>
>>>>   If an array have more than 1024 buckets in an same bucket
>>>> list(same index), there must already be an performance issue.
>>>
>>> The problem is you really need to consider the source. There are many
>>> places where people deal with huge datasets. If they assign it directly
>>> they shouldn't hit any limits or we would need some sort of "large
>>> array" hint which would be nasty.
>> Rasmus:
>>
>> Large array ! =3D Large list
>>
>> An array can have million elements withou exceed the limit ion of max
>> length of list.
>
> I understand the difference. But large arrays are obviously the ones
> that are prone to hitting the collision limits.
Yes, but don't you think this is at least better than restricting
number of elements? :)

Thanks
>
> -Rasmus