Wow that's very promising - how do I get that setup? I also believe for lambda I need 64 bit as you have little control of the base image?

I haven't had a chance to try marshalling results back to Alexa yet - but that's my goal.

Tim

Sent from my iPhone

> On 30 Jun 2017, at 15:43, Sven Van Caekenberghe <sven@stfx.eu> wrote:

>

>

>> On 27 Jun 2017, at 21:15, Sven Van Caekenberghe <sven@stfx.eu> wrote:

>>

>>

>>> On 27 Jun 2017, at 21:00, Esteban A. Maringolo <emaringolo@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)"

>>>> ]

>>>> }

>>>>

>>>>

>>>

>>

>

>