Hi,

>2.In Jmeter right now i'm able to handle 75 concurrent users.How do i
>increase the users?

By increasing the memory allocated to your JVM (-Xmx) along with your
hardware to match.  By increasing and maxThreads number as well.

>3.I have the JVM options, -Xms 256 -Xmx 512 and My RAM is 512K is this
ok?

"Is this OK?" is an imprecise question.  The answer is that it's OK if
you can handle the expected concurrent user load while maintaining
acceptable response time.

Also please try to be accurate when you specify these numbers: you have
512MB, not 512K of RAM available.  You're using -Xms256m and -Xmx512m as
java vm options.  Note that the latter is someone misleading: you're
telling the JVM it can use 512MB of RAM for the heap, but that's false.
Between the OS, other processes, and the JVM overhead you're likely to
have far less than 512MB available for the heap, so -Xmx512m is
impossible and should not be specified.

>4.How do i increase my concurrentusers capability?

See above.

>5.does minThread and maxThread parameters involved in this?

Yes, they're involved.  Read their documentation.

>6.How do i know my platforms Integer.MIN_VALUE and Integer.MAX_VALUE  ?

Write a little java program that does
System.out.println(Integer.MAX_VALUE) etc.  As I said before, while
these are the technical limits because maxThreads and acceptCount are
stored as a java int, these are not the relevant limits: those are
imposed by your hardware and OS.

Yoav Shapira



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