It was implemented, then removed. The instability and added complexity was determined to be not worth it at the time.
Ted On Oct 16, 2012, at 7:20 AM, Alexey G <[email protected]> wrote: > Thats' right, but it's doesn't always create a separate process, sometimes > multiple tabs run in single process (when they're from same domain and from > same origin). Besides, chrome addons certanly live in same process, but are > somehow isolated from each other and js in pages. I suppose they're created > by single vm, memory overhead would be significant otherwise. > > Anyway, it must be possible to create multiple vm's in v8 and isolates > feature seems to be what i'm looking for. It's not implemented, however, and > i don't know if it will be. So for now i'll take a look on what can be done > with domains. > > 2012/10/16 Michal Kruk <[email protected]> > Actually chrome has multiple processes running, i think its creating one for > every tab you have open > > > On Mon, Oct 15, 2012 at 8:44 PM, Alexey Guskov <[email protected]> wrote: > By the way, i believe the way google chrome deals with multiple pages and > browser addons is very similar to what i'm trying to achieve: isolated js vm > instances inside a single process. If anyone knows chrome internals, please > correct me. > > суббота, 13 октября 2012 г., 13:29:17 UTC+4 пользователь Alexey Guskov > написал: > Hello everybody. I'm a huge fan of node.js and ve're actively using it in our > project for creating various services. > > Recently we've faced a problem of significant ram overhead required to run > each node.js instance (about 40Mb). This is an issue since we are running a > number of different node.js services on one machine, and the memory is > limited. > > So what we trying to use is run multiple services in single node.js process > using vm.runInNewContext(), but compared this approach is missing some > functionality: > > 1) We cannot monitor amount of memory allocated by each subprocess. > 2) We cannot cancel all setTimeouts and process.nextTicks for given process > to effectively stop its execution. > 3) We cannot get a list of open sockets and file descriptors for given > process. > > With this functionality we could use node.js similar to erlang - run a number > of processes inside a single vm - and use some erlang features (like 'let it > fail') that would certanly lead us to world domination ;) > > So, is there any projects targeted to solve similar problem? > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > [email protected] > > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > [email protected] > > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
