-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Chuck,
On 3/23/15 10:33 AM, Caldarale, Charles R wrote: >> From: Christopher Schultz [mailto:ch...@christopherschultz.net] >> Subject: Re: Tomcat 7 (7.0.54) memory consuption is very high(3 >> times) than Tomcat 6 (6.0.28) > >> Really? The Tomcat ROOT web application is taking up 3 times as >> much heap space in Tomcat 6 as Tomcat 7? > > Just remember that the numbers out of top are at best > approximations, and, as Rainer pointed out, not taking measurements > immediately after a GC is a guarantee of an apples versus oranges > comparison. > > The appropriate tools (e.g., VisualVM) must be used for any > rational analysis. +1 The output of "top" and "ps" are completely irrelevant. The very minimum would be the output of "jmap -heap", and only after a full GC were to have been run. - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: GPGTools - http://gpgtools.org iQIcBAEBCAAGBQJVECl7AAoJEBzwKT+lPKRYrtAQAMjFH4GkFdXmfy7RPrAq31Pv /SGiPfZeT+VKEfOU2Y/n7iKMuuSSU3ZD4CHywbl+5txO82HD054bbmJwxmeuqLme wBizqDBBJn+80p8gsNG43NO9bYklqVOyQp6KVmsoAfEYyXeyZH/9tpk4tJIs0bLS NZpUWfg5Fhf4kMmqCuauSeKgh6axPItBMDnKzovmeqCBgmEJs5bD/RjSFVUY9/xK c+SQVqzV9FbncNhYOuOye9G13n4nQ9OlQcPQLGwVaXbrkSmoXGGDJkrxhqPByprP mA7npAguYIGsYALtmvQchlufWJddkIBeIs/x6aiXyL8AcYjEIOfwIkhXHm3R8BgD Q7LjF3nTdEK/A1ccs7rDa1tmyCl9l78ELoreQYAyfkUZuMzcbe3Avz7KwEVJOFxN FCWnQp8iogQQkrc/etaDpm5093Vqt9YhdEXD8aaacMN7CoCffA95hPHJkKfeGdIZ 0zaRH5zqa/FWYMtdx1JMlEzb7wm7qS+K3owFSXwWTWvZ0jesAM4DdAOzpVWzZzut bxpCsowCCbckRGXkessFH83fm3Q1AfEd6/RklyntFFtW2JxIn89xZDbyAZcyuON7 1eR3RH6xkkOj9jrNjLXIHqH+WVELO2pvAL1DC8XywQMkelmmbZOUF2EyoLt9Ijo+ CtwF2q6xmD3i/cRVpOna =iyAG -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
