> On 5 Jul 2017, at 16:05, Tim Mackinnon <tim@testit.works> wrote:
>
> I went to try this to see how it might perform on AWS Lambda but I’m guessing
> there isn’t a minimal 64 bit image right?
>
> Sven - was this a 32bit image from get.pharo.org/70-minimal?
It came from a link Pavel sent me for debugging purposes, he is the expert, I
don't know if there are both 32 and 64 bit versions (or even if there is much
difference, if any).
> Tim
>
>> On 30 Jun 2017, at 14:43, Sven Van Caekenberghe <s...@stfx.eu> wrote:
>>
>>>
>>> On 27 Jun 2017, at 21:15, Sven Van Caekenberghe <s...@stfx.eu> wrote:
>>>
>>>
>>>> On 27 Jun 2017, at 21:00, Esteban A. Maringolo <emaring...@gmail.com>
>>>> wrote:
>>>>
>>>> Interesting experiment.
>>>>
>>>> It would be good to know how fast does the image boot and start
>>>> execution in the context of a service billed at the sub second scale.
>>>
>>> Sadly I have the impression we lost some speed:
>>>
>>> ~/pharo64$ ./pharo Pharo.image printVersion
>>> [version] 6.0 #60499
>>>
>>> ~/pharo64$ time ./pharo Pharo.image eval '42 factorial'
>>> 1405006117752879898543142606244511569936384000000000
>>>
>>> real 0m1.276s
>>> user 0m0.985s
>>> sys 0m0.171s
>>>
>>> while before
>>>
>>> ~/pharo/build$ ../bin/pharo Pharo.image printVersion
>>> [version] 4.0 #40620
>>>
>>> $ time ../bin/pharo Pharo.image eval '42 factorial'
>>> 1405006117752879898543142606244511569936384000000000
>>>
>>> real 0m0.526s
>>> user 0m0.434s
>>> sys 0m0.045s
>>>
>>> But it is really hard to find the cause.
>>
>> The good news is that the Pharo 7 minimal core is way faster
>>
>> $ time ./pharo ~/Downloads/Pharo7.0-core-32bit-b649ac6.image eval "42
>> factorial"
>> 1405006117752879898543142606244511569936384000000000
>>
>> real 0m0.262s
>> user 0m0.132s
>> sys 0m0.062s
>>
>> Which is good of course !
>>
>>> That being said, these lambda servers can only work well if they keep
>>> instances alive for longer when there is enough traffic.
>>>
>>>> Esteban A. Maringolo
>>>>
>>>>
>>>> 2017-06-27 13:05 GMT-03:00 Tim Mackinnon <tim@testit.works>:
>>>>> Hi - I am trying to run a pharo image in lambda (as an experiment) -
>>>>> however
>>>>> I get an error from Pharo about not being able to write to the changes
>>>>> file?
>>>>>
>>>>> As I am just evaluating some code - I’m not really coding, so don’t need a
>>>>> changes file - is there a command line option to not require it?
>>>>>
>>>>> Also, am I running pharo the most efficient way - I’m using eval on the
>>>>> command line and referencing a class with a class method - but is this the
>>>>> best way?
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Tim
>>>>>
>>>>> "errorMessage": "Command failed: ./pharo Pharo.image eval \"Lambda
>>>>> processJSON:
>>>>> '{\"key3\":\"value3\",\"key2\":\"value2\",\"key1\":\"value1\"}'\"\n'Pharo
>>>>> cannot write to the changes file named /var/task/Pharo.changes.\n\nPlease
>>>>> check that you have write permission for this file.\n\nYou won''t be able
>>>>> to
>>>>> save this image correctly until you fix this.'\n\u001b[31mError: Can't
>>>>> find
>>>>> the requested
>>>>> origin\n\u001b[0mUnixResolver(PlatformResolver)>>cantFindOriginError\n[
>>>>> self
>>>>> cantFindOriginError ] in
>>>>> UnixResolver(PlatformResolver)>>directoryFromEnvVariableNamed: in Block: [
>>>>> self cantFindOriginError
>>>>> ]\nUnixResolver(PlatformResolver)>>directoryFromEnvVariableNamed:or:\nUnixResolver(PlatformResolver)>>directoryFromEnvVariableNamed:\nUnixResolver>>home\n[
>>>>> self home / '.config' ] in UnixResolver>>preferences in Block: [ self
>>>>> home /
>>>>> '.config'
>>>>> ]\nUnixResolver(PlatformResolver)>>directoryFromEnvVariableNamed:or:\nUnixResolver>>preferences\nUnixResolver(FileSystemResolver)>>resolve:\nSystemResolver(FileSystemResolver)>>unknownOrigin:\nSystemResolver(FileSystemResolver)>>resolve:\nInteractiveResolver>>unknownOrigin:\n[
>>>>> self unknownOrigin: origin ] in InteractiveResolver>>resolve: in Block: [
>>>>> self unknownOrigin: origin
>>>>> ]\nIdentityDictionary(Dictionary)>>at:ifAbsent:\nInteractiveResolver>>resolve:\nFileLocator>>resolve\nFileLocator(AbstractFileReference)>>exists\nGlobalIdentifierStonPersistence(GlobalIdentifierPersistence)>>shouldCallPreviousPersistence\nGlobalIdentifierStonPersistence(GlobalIdentifierPersistence)>>ensure:\nGlobalIdentifier>>ensure\nGlobalIdentifier
>>>>> class>>initializeUniqueInstance\nGlobalIdentifier
>>>>> class>>uniqueInstance\nSystemSettingsPersistence
>>>>> class>>resumeSystemSettings\n[ :persistence | persistence
>>>>> resumeSystemSettings ] in PharoCommandLineHandler>>runPreferences in
>>>>> Block:
>>>>> [ :persistence | persistence resumeSystemSettings
>>>>> ...etc...\nBlockClosure>>cull:\nSystemDictionary(Dictionary)>>at:ifPresent:\nSmalltalkImage>>at:ifPresent:\nPharoCommandLineHandler>>runPreferences\nPharoCommandLineHandler>>activate\nPharoCommandLineHandler
>>>>> class(CommandLineHandler class)>>activateWith:\n\u001b[0m",
>>>>> "errorType": "Error",
>>>>> "stackTrace": [
>>>>> "'Pharo cannot write to the changes file named
>>>>> /var/task/Pharo.changes.",
>>>>> "",
>>>>> "Please check that you have write permission for this file.",
>>>>> "",
>>>>> "You won''t be able to save this image correctly until you fix this.'",
>>>>> "\u001b[31mError: Can't find the requested origin",
>>>>> "\u001b[0mUnixResolver(PlatformResolver)>>cantFindOriginError",
>>>>> "[ self cantFindOriginError ] in
>>>>> UnixResolver(PlatformResolver)>>directoryFromEnvVariableNamed: in Block: [
>>>>> self cantFindOriginError ]",
>>>>> "UnixResolver(PlatformResolver)>>directoryFromEnvVariableNamed:or:",
>>>>> "UnixResolver(PlatformResolver)>>directoryFromEnvVariableNamed:",
>>>>> "UnixResolver>>home",
>>>>> "[ self home / '.config' ] in UnixResolver>>preferences in Block: [ self
>>>>> home / '.config' ]",
>>>>> "UnixResolver(PlatformResolver)>>directoryFromEnvVariableNamed:or:",
>>>>> "UnixResolver>>preferences",
>>>>> "UnixResolver(FileSystemResolver)>>resolve:",
>>>>> "SystemResolver(FileSystemResolver)>>unknownOrigin:",
>>>>> "SystemResolver(FileSystemResolver)>>resolve:",
>>>>> "InteractiveResolver>>unknownOrigin:",
>>>>> "[ self unknownOrigin: origin ] in InteractiveResolver>>resolve: in
>>>>> Block: [ self unknownOrigin: origin ]",
>>>>> "IdentityDictionary(Dictionary)>>at:ifAbsent:",
>>>>> "InteractiveResolver>>resolve:",
>>>>> "FileLocator>>resolve",
>>>>> "FileLocator(AbstractFileReference)>>exists",
>>>>>
>>>>> "GlobalIdentifierStonPersistence(GlobalIdentifierPersistence)>>shouldCallPreviousPersistence",
>>>>> "GlobalIdentifierStonPersistence(GlobalIdentifierPersistence)>>ensure:",
>>>>> "GlobalIdentifier>>ensure",
>>>>> "GlobalIdentifier class>>initializeUniqueInstance",
>>>>> "GlobalIdentifier class>>uniqueInstance",
>>>>> "SystemSettingsPersistence class>>resumeSystemSettings",
>>>>> "[ :persistence | persistence resumeSystemSettings ] in
>>>>> PharoCommandLineHandler>>runPreferences in Block: [ :persistence |
>>>>> persistence resumeSystemSettings ...etc...",
>>>>> "BlockClosure>>cull:",
>>>>> "SystemDictionary(Dictionary)>>at:ifPresent:",
>>>>> "SmalltalkImage>>at:ifPresent:",
>>>>> "PharoCommandLineHandler>>runPreferences",
>>>>> "PharoCommandLineHandler>>activate",
>>>>> "PharoCommandLineHandler class(CommandLineHandler
>>>>> class)>>activateWith:",
>>>>> "\u001b[0m",
>>>>> "ChildProcess.exithandler (child_process.js:204:12)",
>>>>> "emitTwo (events.js:106:13)",
>>>>> "ChildProcess.emit (events.js:191:7)",
>>>>> "maybeClose (internal/child_process.js:886:16)",
>>>>> "Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)"
>>>>> ]
>>>>> }
>
