27.04.2016 01:11, Leyne, Sean пишет: > >> To let rumors that Firebird is unbearable slow to spread is a bad thing >> too. > 1- 1 sec is not "unbearable"! > > 2- Slowness only occurs when using "localhost" with v3 client *and* v2.5 > server -- a very unusual situation (why would you have new client installed > on same host as old server?) > > 3- The performance problem is with Win API/DNS resolving the IPv4 address of > "localhost" -- "127.0.0.1" is an IPv4 IP so DNS resolution is completely > bypassed, which is why is doesn't suffer any connection delay. > > 4- The performance "problem" can be resolved by disabling IPv6 on the host > system. (I have asked Stefan to confirm same) > - v2.5 is known not to support IPv6. > - We have had to disable IPv6, on Microsoft's instructions, to address > DNS issues with IPv4 on hosts in our Win2012R2 clusters. > > > So, IMO, the only rumour will be "_don't mix v3 and v2.x client/server on > same host_" > >
Sean, can you confirm that there is no delay when using 3.0 fbclient with remote 2.5 server? ------------------------------------------------------------------------------ Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers of your business applications. It resolves application problems quickly and reduces your MTTR. Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
