On 7/17/2013 2:28 PM, Christopher Schultz wrote:
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Jerry,
On 7/17/13 3:06 PM, Jerry Lampi wrote:
Good news. I previously reported that sendFile was not enabled.
As stated below by folks more knowledgeable than I, sendFile is
enabled by default.
I added this line to my server.xml file Connector:
useSendfile="false" and now every page element loads very quickly.
Problem solved.
That's kind of what I was hoping. Honestly, sendFile *should* be
enabled as it should be more efficient, but something is obviously
going wrong.
So it appears that sendFile became broken (at least in my USS
implementation) in version 6.0.36 and beyond.
Should I open an issue for this? In 6.0.35, sendFile seemed fine,
in 6.0.36 and beyond (including 7.x), it is not fine.
Are you always using the same JVM version when testing these against
one another?
Yes. Same JVM.
I had another idea. I wonder if tomcat 6.0.35 and below were never
REALLY asking for sendFile? That would mean that the sendFile
implementation on the IBM USS mainframe is faulty, but was not being
exercised by tomcat until 6.0.36 and beyond. I find that possible, as
we have had to debug other issues on that platform.
Jerry
- -chris
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