Chris, >-----Original Message----- >From: Christopher Schultz [mailto:ch...@christopherschultz.net] >Sent: Tuesday, November 15, 2016 12:53 PM >To: Tomcat Users List <users@tomcat.apache.org> >Subject: Re: Apache Tomcat Version 7.0.59 on CentOS 6.8 to handle 2k >requests/second > >-----BEGIN PGP SIGNED MESSAGE----- >Hash: SHA256 > >Brooke, > >On 11/15/16 1:17 PM, Hedrick, Brooke - 43 wrote: >> -----Original Message----- From: Kaushal Shriyan >> [mailto:kaushalshri...@gmail.com] Sent: Monday, November 14, 2016 >> 8:46 AM To: Tomcat Users List <users@tomcat.apache.org> Subject: >> Re: Apache Tomcat Version 7.0.59 on CentOS 6.8 to handle 2k >> requests/second >> >> ... >> >>> Please suggest me any open source profiling application which i can >>> start with. I will appreciate if you can help me understand the >>> relation between 2k requests/second vs cpu >cores of the server. >>> >>> Thanks again in advance. >>> >>> Regards, >>> >>> Kaushal >> >> A couple I have used: 1. Apache Bench (ab/abs very basic ) ships with >> Apache. 2. Apache JMeter. Much more in-depth and flexible in how you >> load test and the results collected. > >Those are load-generators, not profilers.
Great point. You are correct. Kaushal will need both. Profiling will help find hotspots. I have used Eclipse and jvmtop, but prefer JVisualVM ( ships with JDK ) with the sampling plugin. Decent, cheap to run, high level numbers that help identify hotspots. But, it will depend on how small of a needle you are looking for. Even once you have profile, you will want to load test. In fact, you may even want to run a load test while you profile - just be aware that profilers have a cost that varies from small to molasses behavior inducing. In any case hopefully we are giving Kaushal something useful to go on. > >I have never been happy with any open-source profilers. There are several good >non-free options, though. > >- -chris >-----BEGIN PGP SIGNATURE----- >Comment: GPGTools - http://gpgtools.org >Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > >iQIcBAEBCAAGBQJYK1mSAAoJEBzwKT+lPKRY2PUP/1Uw7C2TiN6x37SejT+pyc1x >7N6n5FoUyB8RdrVIZlkEsbTzaWKHzq5EisxczzblleTip8jNBwSXaTjRQ+CgQWjU >//UinQwf7bhCZCzKuSlzq51HOYSkoIPLQtg2NBNUGtqXJ7LtbwdXkBRbMQxPeiMV >+RSNmY1CoTElvxJeYfqcr4A1R0PRTgoOMkz7CSj2Hf2H7XsccY1bFH/ofiFGbpKh >v0GTRiq9TCNGVBtVhAaU5339KRBuxB5QkTgZF/7KQU719d6jsmsB+u7W1St2gXWc >zaIUg75zC6KP+IxlXkkPldh6dDruw0drG8q1RUEai972JZS9e1/kLnFaGne02pUW >UPSIgCeSXPRiSPGfLE5e1FkQxmrQmuMlWo6imwvbSQ0Rzgy8gKVv2seYsM9jqsko >BzWn2iri4YPVzAunKfZIekOV4xL5Bev08PND4jdBkPIWwTF9Tz1twnBxK33q+Mi1 >qEYSezzS4PmFQAtNnwbRBGolqCiJMITtfP4nkO3QsWfzM0/CZo4M587onXnhawbA >yzxlG5tzCHYQhr6PQD4POA+bH0RbWI4rDm4DqlD5RRDjVC0BMkxiejwXH1SIRApP >4vcNVipxr7MzngDSsAwbG+Jz4dUGlNas9o5WjoAu8Jya/PYkaZ4LEv/Dn0DWgTnb >nvYTZz8td79PoGkK2a45 >=4KGB >-----END PGP SIGNATURE----- > >--------------------------------------------------------------------- >To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
