On Mar 19, 2011, at 4:30 AM, alan pae wrote:

>> 1) This build has applied an experimental fix for
>> eating CPU, URL keyword search no response issue.
>> Occasionally the URL bar may not response for several
>> seconds, but it will work again after a little while.
>> I'll continue working this issue.
>> If this problem or similar problem occurs again,
>> please report.
> 
> From what I've been reading 4.0 will officially ship next Tuesday and it 
> looks like it will just be RC1 rebadged as the release version.  
> 
> The above problem with the url bar still happens with RC1 for me but only a 
> couple or three times a day now which is a marked improvement.
> 
> Will this still be the case when 4.0 officially ships?
> 

To get rid of the problem, I can think of 2 possible solutions.
1) Enable WAL on local disk, but disable it on NFS
WAL will eliminate db lock on commit. But it doesn't work on NFS/Solaris.
This solution will require some extra work on Solaris platform.

2) Enable WAL to use heap memory instead of shared memory
If sqlite3 provides this functionality, it will save the extra work.
Also it will benefit users whose profiles are on NFS.

I don't think either solution will be available in this week.
So I have to leave Firefox 4.0 with WAL disabled.

I'll continue working this issue.
When a fix is available, I'll give experimental builds and also integrate the 
fix in Firefox 4.0.x.

Thanks,

Ginn

> Thanks,
> alan
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