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. 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 - Iâm not really coding, so donât need a changes file - is there a command line option to not require it?
Also, am I running pharo the most efficient way - Iâm 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)" ] }