Worth noting I think that adding auto-locking on classes of instances
that aren't ever
shared has no impact. Distributed locks only occur when a shared
object is locked on. So the number of locks one generally needs is
usually small.
Can you give a little more detail and which parts you think need
concurrent locks?
Cheers,
Steve
On Dec 6, 2007, at 8:29 PM, Jason Chaffee wrote:
I should add that we want concurrent on about 98% of our code and
locks on about 2%. It would really suck to configure this if you
can’t set a global default. Using wildcards would not be a good
solution either based on our code.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
] On Behalf Of Jason Chaffee
Sent: Thursday, December 06, 2007 5:06 PM
To: [email protected]; [EMAIL PROTECTED]
Subject: Re: [tc-users] [tc-dev] global lock level
Performance is not a concern and neither is the data being
deterministic because for the most part there is only person making
changes and we need these changes to propagate to many nodes instead
of configuring each machine.
I can honestly say this is big issue against Terracotta because it
appears JBossPOJOCache will support this.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
] On Behalf Of Taylor Gautier
Sent: Thursday, December 06, 2007 4:13 PM
To: [EMAIL PROTECTED]
Cc: [email protected]
Subject: Re: [tc-dev] [tc-users] global lock level
To answer your question, no, there is not a way to set the default
lock level.
I feel compelled to point out except for very specific uses,
concurrent is not really a good idea. Why are you thinking to go
with concurrent? If you want better performance you should use a
combination of read and write locks.
Jason Chaffee wrote:
Is it possible to set a global default lock level? By default, it
is currently set to ‘write’ I would like to set it to ‘concurrent’
and lock the methods that need it.
Jason Chaffee
Software Architect/Server Team Manager
<image001.jpg>
APPLICATIONS DIVISION
[EMAIL PROTECTED]
Tel : 415.380.6316
Cell: 415.637.8061
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