Doing the flushCaches...

Image size before cleaning a MCSmalltalkhubRepository(
http://smalltalkhub.com/mc/estebanlm/EclipsePack/main/) : 324017564
Image size after cleaning a MCSmalltalkhubRepository(
http://smalltalkhub.com/mc/estebanlm/EclipsePack/main/) : 324137232
Image size before cleaning a MCSmalltalkhubRepository(
http://smalltalkhub.com/mc/philippeback/DripfeedIt/main/) : 324137232
Image size after cleaning a MCSmalltalkhubRepository(
http://smalltalkhub.com/mc/philippeback/DripfeedIt/main/) : 324195720
Image size before cleaning a MCSmalltalkhubRepository(
http://smalltalkhub.com/mc/philippeback/HOWebStack/main/) : 324195720
Image size after cleaning a MCSmalltalkhubRepository(
http://smalltalkhub.com/mc/philippeback/HOWebStack/main/) : 324255300
Image size before cleaning a MCSmalltalkhubRepository(
http://smalltalkhub.com/mc/philippeback/HOExperiments/main/) : 324255300
Image size after cleaning a MCSmalltalkhubRepository(
http://smalltalkhub.com/mc/philippeback/HOExperiments/main/) : 324314868

Definitely not going down...

Phil



On Wed, Jul 31, 2013 at 8:53 PM, Mariano Martinez Peck <
[email protected]> wrote:

> OK, this was was my experiment....
>
> Image fresh with all my app and dependencies loades: 30MB
>
> After using it for some days/weeks: 160MB.
>
> SpaceTally new printSpaceAnalysis showed:
>
> Class                                          code space # instances
>  inst space     percent   inst average size
> ByteString                                           2785      413144
> 116244078       69.90              281.36
> Array                                                3712      181772
>   8466668        5.10               46.58
> ByteArray                                            8574        1319
>   8186802        4.90             6206.82
> Bitmap                                               3653         303
>   6656340        4.00            21968.12
> CompiledMethod                                      22467       90554
>   5685374        3.40               62.78
>
>
> After executing ImageCleaner cleanUpForRelease: 36MB
>
> Then...I searched which part of #cleanUpForRelease: was making the
> difference, and it was:
>
> Smalltalk cleanUp: true except: #() confirming: false.
>
> So now it was time to know WHICH class did the diference, so I modified
> #cleanUp: aggressive except: exclusions confirming: aBool
>
> in these lines:
>
> "Run the cleanup code"
> classes
> do:[:aClass|
>  Transcript show: 'Image size before cleaning ', aClass name, ' : ',
> Smalltalk imagePath asFileReference size asString.
> aClass cleanUp: aggressive.
>  3 timesRepeat: [Smalltalk garbageCollect].
> Smalltalk snapshot: true andQuit: false.
> Transcript show: 'Image size after cleaning ', aClass name, ' : ',
> Smalltalk imagePath asFileReference size asString.
>  ]
> displayingProgress: [:aClass| 'Cleaning up in ', aClass name].
>  I then opened a Transcript, and evaluated
>
> Smalltalk cleanUp: true except: #() confirming: false.
>
> I went to prepare Mate, and when I come back, the result was, of course:
>
> "Image size after cleaning MCFileBasedRepository : 39744008"
>
> That clean up ends up doing:
>
> flushAllCaches
>  self allSubInstancesDo: [:ea | ea flushCache]
> So it sends #flushCache to all instances of MCHttpRepository and
> MCFileBasedRepository.
>
> Now what I wanted to see if it there was a particular repo that could take
> most of the space (like package-cache).
> And indeed, it was...I modified #flushCaches to:
>
> flushAllCaches
>  | file |
> file := 'repos.txt' asFileReference writeStream text.
> self allSubInstancesDo: [:each |
>  file nextPutAll: 'Image size before cleaning ', each printString, ' : ',
> Smalltalk imagePath asFileReference size asString; cr.
>  each flushCache.
> 3 timesRepeat: [Smalltalk garbageCollect].
> Smalltalk snapshot: true andQuit: false.
>  file nextPutAll: 'Image size after cleaning ', each printString, ' : ',
> Smalltalk imagePath asFileReference size asString;cr.
>  ].
> file flush; close.
> And then I looked in the 'repos.txt' file. My package cache repo cleaned
> 60 MB. Glorp cleaned 35MB. Seaside30 cleaned 10MB.
> So...cleaning cache of just 3 repos frees approx 100MB.
>
> The question is....can we flush the cache safely? If they are called
> "cache", then I guess yes, we can.
>
> Thoughts?
>
> Thanks,
>
>
>
> On Wed, Jul 31, 2013 at 10:48 AM, Mariano Martinez Peck <
> [email protected]> wrote:
>
>> Guys, I have images also with seaside, magritte, glorp, postgresV2, etc
>> and it is also around 200MB.
>> I will try to do some research today and let you know.
>>
>> Cheers,
>>
>>
>> On Tue, Jul 30, 2013 at 8:55 AM, Marcus Denker <[email protected]>wrote:
>>
>>>
>>> On Jul 30, 2013, at 1:49 PM, "[email protected]" <[email protected]>
>>> wrote:
>>>
>>> > the changes file contained passwords and I replaced the text.  So
>>> offsets may be wrong due to that.
>>> >
>>> Yes, the first thing I wanted to do is to recompile everything. Does not
>>> work.
>>>
>>> > Memorymonitor is not doing fanct stuff. It just counts instances.
>>> >
>>> Yes, but maybe it holds on to these instances?
>>>
>>>         Marcus
>>>
>>>
>>>
>>
>>
>> --
>> Mariano
>> http://marianopeck.wordpress.com
>>
>
>
>
> --
> Mariano
> http://marianopeck.wordpress.com
>

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