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From J Chris Anderson <>
Subject Re: os_process_error, "OS process timed out."
Date Sun, 28 Feb 2010 17:35:32 GMT

On Feb 28, 2010, at 7:38 AM, Robert Campbell wrote:

> I did increase the os_process_timeout in the Configurator from 5
> seconds to 20 seconds, but I need to really speed this up. Any
> suggestions or tricks? Perhaps changing the structure of the document?

The os process timeout should have no bearing on plain GET and PUT of large documents. It
is when those documents are serialized and sent to the query server for map reduce, show,
list, etc that the os process is involved. 

I'll assume you are reading via a view.

1.2 MB seems large but not that large. If you post your JavaScript view code we can help you
diagnose it.


> On Sun, Feb 28, 2010 at 3:50 PM, Robert Campbell <> wrote:
>> I just added a large field to one of my documents. It's an array of
>> 3,840 maps. The total structure clocks in at around 1.22MB.
>> I'm now getting {"error":"os_process_error","reason":"OS process timed
>> out."} whenever I try to read this document.
>> I'm surprised, because I previously attached 52MB of images to this
>> documents without encountering any issues.
>> Does anyone have any ideas what could have caused this or ways to fix it?
>> Rob

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