On 15 Feb 2010, at 12:22, Kabir Khan wrote:
> Getting rid of the @Dependency annotation checks from AOPDependencyBuilder
https://jira.jboss.org/jira/browse/JBKERNEL-98 brings the startup time down to the 18s range.
>
> kernel 2.2.0-SNAPSHOT, from a few days ago (Alpha6 with the extra resolveContexts loop optimization)
> mdr 2.2.0-Alpha1
> ================================================================================
> 20s:192ms (1)
> 19s:733ms (3)
> 19s:968ms (4)
>
> kernel 2.2.0-SNAPSHOT, includes the @Dependency stuff
> mdr 2.2.0-SNAPSHOT
> ============================================
> 18s:905ms (2)
> 18s:604ms (4)
> 18s:657ms (6)
>
>
>
> On 12 Feb 2010, at 15:50, Kabir Khan wrote:
>
>> I found that ScopeKey's hashCode was not being calculated correctly (
http://community.jboss.org/message/526058#526058), and fixed this in a local jboss-mdr snapshot, which gives another tiny enhancement. Here are today's numbers, same setup as last time.
>>
>> kernel 2.2.0-Alpha5
>> mdr 2.2.0-Alpha1
>> ===============
>> 34s:696ms (1)
>> 20s:562ms (2)
>> 20s:349ms (7)
>> 20s:463ms (10)
>> 20s:622ms (13)
>> 20s:582ms (16)
>> 20s:35ms (19)
>> -------------------------
>> Average ignoring (1): 20s436ms
>>
>> kernel 2.2.0-SNAPSHOT
>> mdr 2.2.0-Alpha1
>> ===================
>> 29s:637ms (3)
>> 19s:627ms (4)
>> 19s:786ms (8)
>> 20s:2ms (11)
>> 20s:432ms (14)
>> 19s:827ms (17)
>> 19s:731ms (20)
>> -------------------------------
>> Average ignoring (3): 19s900ms
>>
>> kernel 2.2.0-SNAPSHOT
>> mdr 2.2.0-SNAPSHOT
>> ============================
>> 27s:167ms (5)
>> 19s:834ms (6)
>> 19s:702ms (9)
>> 19s:349ms (12)
>> 20s:228ms (15)
>> 19s:346ms (18)
>> 19s:315ms (21)
>> ----------------------------
>> Average ignoring (5): 19s629ms
>>
>> Now that I'm more into profiling stuff, I'll see if profiling minimal as suggested by Bill makes more sense to me, if not I'll do a few more cycles of these.
>>
>>
>> On 11 Feb 2010, at 12:25, Kabir Khan wrote:
>>
>>> I have been doing some work on profiling and optimizing the jboss-dependency project [1] for kernel 2.2.0.Alpha6 and it seems to have had a small, but still measurable impact :-)
>>>
>>> I did a few startups of AS with jboss kernel 2.2.0.Alpha5 and with a local snapshot. This snapshot contains the work done for Alpha6 with the addition of removing the break in the resolveContexts loop as mentioned in the forum thread.
>>>
>>> The startups were done on a freshly rebooted machine with nothing else running. The startup orders are given in brackets, so I started Alpha5 twice, then SNAPSHOT twice and so on.
>>>
>>> 2.2.0-Alpha5
>>> ----------------------
>>> 37s:247ms (1)
>>> 20s:573ms (2)
>>> 20s:275ms (5)
>>> 20s:127ms (7)
>>> 20s:433ms (9)
>>> 20s:329ms (10)
>>> 20s:890ms (13)
>>>
>>>
>>> 2.2.0-SNAPSHOT
>>> ------------------------
>>> 29s:563ms (3)
>>> 19s:965ms (4)
>>> 19s:821ms (6)
>>> 20s:332ms (8)
>>> 19s:618ms (10)
>>> 19s:905ms (12)
>>> 19s:900ms (14)
>>>
>>> One strange thing is that the first time I started each server they took loads longer than the other times, does somebody know the reason for that?
>>>
>>> Ignoring those initial times leaves me with average start times of:
>>> Alpha5: 20s437ms
>>> SNAPSHOT: 19s923ms
>>>
>>> I'm going to have a final look at jboss-dependency to see if there are any other obvious and easy fixes before moving on to have a look at jboss-kernel.
>>>
>>> [1]
http://community.jboss.org/message/525047#525047
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>>>
jboss-development@lists.jboss.org
>>>
https://lists.jboss.org/mailman/listinfo/jboss-development
>>
>>
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