Remy Maucherat wrote:
Jan Luehe wrote:
Agreed.
I stumbled across mem usage as I was running a stress test
under OptimizeIt (and eventually getting OutOfMemory errors from
Servlets), and noticed a large number of char[] instances had been
allocated due to each Request creating its own SimpleDateFormat[].
You get an OOM because of it ? I think not, though.
No, definitely not because of this, but i'm in the process of
eliminating any redundant allocations.
I thought SimpleDateFormat with a constant pattern was a candidate, but
as Bill and you pointed out (and the javadocs now mention), it is not
thread-safe.
You need to speak hard numbers here (because syncing will have its own
cost, esp on a large server that your company makes so much cash on ;)
):
Agreed. :)
how many bytes are allocated by each formatter ?
I'll get back to you on this. For the time being, I'll revert my
previous change.
Jan
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