On Sep 26, 2013, at 6:02 PM, Christopher Schultz < ch...@christopherschultz.net> wrote:
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Daniel, > > On 9/26/13 9:18 AM, Daniel Mikusa wrote: >> On Sep 26, 2013, at 2:22 AM, Anu Prab <anupr...@gmail.com> wrote: >> >>> I am using Tomcat version 7. >> >> For future reference, please include the exact version of Tomcat >> you are running. There are 40+ different versions. >> >>> Is it possible to update connection pool properties without >>> restarting the Tomcat server? >> >> Please also include specific details like which connection pool >> are you using. There are two included with Tomcat, DBCP and >> tomcat-jdbc. >> >> To give a general answer to your question, you can update some of >> the properties through JMX. It'll depend on the version of Tomcat >> and which pool you are using as to which properties you can update. >> Try connecting with jconsole or jvisualvm w/MBeans plugin and see >> if the properties you need are exposed and editable. > > While most properties are not immutable (e.g. you can change their > values via JMX), changing them usually has no effect because the > connection pool is not re-initialized when those values change. Good point. It's important to be realistic about what you can do at runtime. > Perhaps Anu can give us a use case for when this kind of thing would > be appropriate... what would you want to change during runtime in a > stable system? +1 definitely need more info here. Dan Hi, The Tomcat version I am using is 7.0.40 and the connection pool is tomcat-jdbc. Well, one case would be to increase the maxActive property. -Anu On Fri, Sep 27, 2013 at 7:48 AM, Daniel Mikusa <dmik...@gopivotal.com>wrote: > On Sep 26, 2013, at 6:02 PM, Christopher Schultz < > ch...@christopherschultz.net> wrote: > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA256 > > > > Daniel, > > > > On 9/26/13 9:18 AM, Daniel Mikusa wrote: > >> On Sep 26, 2013, at 2:22 AM, Anu Prab <anupr...@gmail.com> wrote: > >> > >>> I am using Tomcat version 7. > >> > >> For future reference, please include the exact version of Tomcat > >> you are running. There are 40+ different versions. > >> > >>> Is it possible to update connection pool properties without > >>> restarting the Tomcat server? > >> > >> Please also include specific details like which connection pool > >> are you using. There are two included with Tomcat, DBCP and > >> tomcat-jdbc. > >> > >> To give a general answer to your question, you can update some of > >> the properties through JMX. It'll depend on the version of Tomcat > >> and which pool you are using as to which properties you can update. > >> Try connecting with jconsole or jvisualvm w/MBeans plugin and see > >> if the properties you need are exposed and editable. > > > > While most properties are not immutable (e.g. you can change their > > values via JMX), changing them usually has no effect because the > > connection pool is not re-initialized when those values change. > > Good point. It's important to be realistic about what you can do at > runtime. > > > Perhaps Anu can give us a use case for when this kind of thing would > > be appropriate... what would you want to change during runtime in a > > stable system? > > +1 definitely need more info here. > > Dan > > > > > - -chris > > -----BEGIN PGP SIGNATURE----- > > Version: GnuPG v1.4.14 (Darwin) > > Comment: GPGTools - http://gpgtools.org > > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > > > iQIcBAEBCAAGBQJSRK8EAAoJEBzwKT+lPKRYkMEP/A04GloLJdT4u/Jlgh13Svw+ > > jFhmRHwxHP93bTtglyr0CQ98YW4VqW/LwiYJLP7hZLW1yKr9Fd9WJi+jiW6qni6A > > dQUo4jCVn5AChkjvUKSwMPi2AHrJ79SrGdyAivyW8LpqCK28Q50bDFc8bZU4rms4 > > UumIQ6dNashLDj2PDQhdtaCO5PD+aw269kPI6tQtpwEwe/+cW1kNCcfG7HO/8eav > > /xmGwMZNwwhrhV6mWIB9KojR2sQghOh68QHFO9VXUCe3UgY7nQmN6D3iEWRM5Bo2 > > WFKMQF3mTpsnBOM9NN6hd4SBuDK6XqUGz/7KQ4ucfl+Y6vMl4NTwGFQy+A+tDamh > > Py+j5XxTxUIj+bxjfDySKy7qqUz97RuYSVSzmlI5la9p+uPQZpz7xPSCkuaQ7xIr > > ihLKg1dGsUz7XfdIHVOlKmFxovkuifu/6GM0yw320Jmp/GUaEfiYbcz6xoxLZob0 > > RljlwowyYelnv92OHYZp9vSfYkyi+BznVd6YV0/yPdCm2E3kgNVJlkgAERST4nBB > > gYkBaciEJvsdPS67TjoR5DFNPqGbWcNKD2qL4T8J67OciP6cZjiWpE7Tmee1xb6J > > eIiolTiKBxCgq7qKx8GubDk/9gcQ9AsvwVL9mux6x1zNN3vZOawTZucxdIUL3ziQ > > oLpb46SghgIqevBDYmFd > > =/0XG > > -----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 > >
