Hi, Yes, I guess the problem is that somehow it's trying to resolve "localhost". I'm hoping there is a simple workaround for H2, but I'm not sure.
Regards, Thomas On Saturday, November 19, 2016, <res...@gmail.com> wrote: > Update: I downloaded the tester from thoeni.io and ran the test before > and after applying the /etc/hosts change. > The tester did not show any improvement at all: still about 5ms to execute. > > However, my real app (a Spring Boot web-app running in Tomcat 8 accessing > H2 in server mode) now appears to start and stop as quickly as it did > before I installed MacOS Sierra. > So I call that a win! > > Bob > > > On Saturday, November 19, 2016 at 2:32:14 PM UTC-5, res...@gmail.com > <javascript:_e(%7B%7D,'cvml','res...@gmail.com');> wrote: >> >> Some further testing in my case shows the issue is related to Java 8, >> because Java 7 does not show the slowdown. >> I am still seeing the issue with Java 8u112 (which has several >> Sierra-related fixes in it). >> Using h2 version 1.4.193 with url: >> jdbc:h2:ssl://localhost:8955///Users/bob/path-to-my/db;MVCC= >> TRUE;MAX_COMPACT_TIME=5000;MV_STORE=FALSE >> >> Bob >> >> >> On Tuesday, November 15, 2016 at 5:29:56 PM UTC-5, Tomas Pospichal wrote: >>> >>> One possibility for slowdowns when opening a connection: sometimes even >>> innocent looking net calls from Java produce reverse DNS attempts, which >>> could cause visible slowdowns on a local network. In this situation, using >>> an IP address might be paradoxically slower than using a host name. >>> >>> This behavior might be very system dependent, so it is better to state >>> what version of system and Java you have, and what URL string you used (was >>> it SSL?). >>> >>> For illustration, see >>> http://stackoverflow.com/questions/3193936/how-to-disable- >>> javas-ssl-reverse-dns-lookup?rq=1 >>> or >>> https://github.com/spray/spray/issues/993 >>> >>> Regards, >>> Tomas >>> >>> -- > You received this message because you are subscribed to the Google Groups > "H2 Database" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to h2-database+unsubscr...@googlegroups.com > <javascript:_e(%7B%7D,'cvml','h2-database%2bunsubscr...@googlegroups.com');> > . > To post to this group, send email to h2-database@googlegroups.com > <javascript:_e(%7B%7D,'cvml','h2-database@googlegroups.com');>. > Visit this group at https://groups.google.com/group/h2-database. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to h2-database+unsubscr...@googlegroups.com. To post to this group, send email to h2-database@googlegroups.com. Visit this group at https://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
