Please ignore this as a potential Node issue - I found the problem which was on the child process side of what we were doing. Now working just fine
Rob On Feb 17, 5:15 pm, rtweed <[email protected]> wrote: > Further investigation is showing there's something more complex going > on - it may be my specific application > > Rob > > On Feb 17, 2:58 pm, rtweed <[email protected]> wrote: > > > > > > > > > I've run into a problem with Node 0.6.2 (running on Ubuntu Linux) that > > looks like a buffer overflow. Not sure if there's a workaround, or > > whether it's something that is fixed in a later Node build....or > > something daft I'm doing. > > > Node is connected to a child process that is streaming a lot of text. > > The Node process is happily picking it up using a > > stdout.on("data", ...) event handler. This is appending the incoming > > text to a variable until a terminating sequence of characters is > > detected, essentially: > > > var dataStr = data.toString(); > > contentStr = contentStr + dataStr; > > if (terminatorFound(contentStr) { > > // process the contentStr string > > contentStr = ''; > > } > > > So pretty standard stuff I believe. > > > However, it turns out that if the child process streams out more than > > 32k of data, it goes berserk with all kinds of chunks of garbage being > > apparently received by the "data" event. I've been able to adjust the > > output from the child process to determine that this is the case - if > > I get the child process to write out less than 32k before sending the > > terminating character sequence and stopping transmitting, it behaves > > impeccably. As soon as I stream out more than 32k, it goes crazy and > > I have to stop the Node process. > > > I can reproduce this behaviour repeatedly. > > > Any suggestions welcome. > > > Rob -- 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
