Yes it is a tomcat managed data source with postgres. The cpu usage is my app trying to get a managed data source. Perhaps the jdbc driver is the issue. ..
On Wed, May 23, 2018, 11:28 AM Christopher Schultz < ch...@christopherschultz.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Alex, > > On 5/22/18 7:39 PM, Alex O'Ree wrote: > > I've noticed a behavioral difference from tomcat 7 to 8.5. In v7, I > > used to be able to put a computer to "sleep" with tomcat running. > > On resume, everything would be just fine. On tomcat 8.5, i'm > > noticing that all database connections are basically dropped and do > > not appear to to restart/resume when the computer resumes. Actually > > the whole computer runs super slow until i kill the tomcat process. > > I'm not entirely sure what's going on here. Has anyone else noticed > > this kind of behavior? > > Are you using a tomcat-configured DataSource in your application? If > so, what does the configuration look like? > > I wouldn't expect any problems with sleep. I'm using Tomcat 8.5.29 on > MacOS and I haven't noticed any problems when my laptop goes to sleep. > I'm using Oracle Java 1.8.0_131 in this particular case. > > When it's running slowly, can you tell which process is taking up all > the CPU (or disk)? Try using the Process Explorer to single-out a > process. If it's Tomcat (java.exe), take a thread dump to see what > Tomcat is doing. > > - -chris > -----BEGIN PGP SIGNATURE----- > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAlsFiIkACgkQHPApP6U8 > pFi70g/8D9R8EkjpCeNziAUeQmWwxHwui+jbOd1rGjG7EID21mmmJJgw5IO1O8ok > F7GUWC8KloqFJ59m+Ib/3NCL5QkiuE/X++AyvDxgwuI1eqlxi86Gu7Jxw6wsfUj2 > K1Ovp+jUeNEhuxPfx7zBiHXQPa1kN+B7ExxOyVEeybRalF27hlums2zF6IlC4VKm > LP2CFqMeEXMbLBEI6wXJrznxlcINwkQzYlX7EAbXzD4tOookS9wYhBeXi+3Yjugp > JbMUzIxOVKDzi2W8WYVRPhnhxSjVe5CVsQ32ghlwPEwzbMAgVcoQ7cwZ9r9l1Pg1 > Z8GMiAk4Ui9m+TlKbW5N1r2RgSKLdhk4yUETgr+ykkyaMhc8Wt46vM1bdGjIgX6W > CCj/BHcM5IdLb56m1L0wiG82dftYlBNfu3hAlnoJls1GiVtRg5Ph5Dit+t2xH3Kh > GpS9r9HhzqbA3tjv4NSR6oRj5UXc/mu1qj93CFoGPf6ZwC5QiHWOMbeegLJxOXVK > yuIK1gl3ehTQhgcB+B2wK+0Id3gtcwOmzdzM3by2aSH+glfpwH3vRlYPLVUpAUf9 > 7oNuMVwhGHFRKL+PF5o0hVldI/jFF2TqLdiQilTe4pfsRGKslgRJce0TIZT5ZSm5 > jsQ2nCm1En7b+HW2hOeh2JjRkwwLqa5XIu7pjB2TVY1vhIJkdXs= > =aQz0 > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
