search for: flowless

...w applications on top of it and about rebuilding existing J2EE applications in Rails as well, but I''ve come across an architectural problem: we need to structure applications into functional modules, each comprising any artifacts needed for the additional functionality to work and interact flowlessly with the rest of the application. The modules need to have clean interfaces and dependencies between them, so that we can build and distribute different "variants" of the application (e.g. basic edition, management edition etc.). How would you proceed and/or what (existing or additional...

...em. We have three dovecot 2.0.1 server with LMTP, POP3 and IMAP enabled. Three shared OCFS2 filesystem are used for mail storage. We have too a load balancer based on dovecot director in front of these three server. Our SMTP cluster receives mail and send by LMTP to load balancer. Everything work flowless, but sometime, under heavy load, three server slow down a lot. Our mail gateway logs a lot of: status=deferred (host 10.194.1.20[10.194.1.20] said: 451 4.4.0 Remote server not answering (DATA output timeout) IP 10.194.1.20 is dovecot director. Looking at mbox servers log nothing seem to happen,...

...ost page write due to I/O error on dm-0 When I reboot the server, everything is "back to normal". This issue only appears with the Xen hypervisor loaded (multiboot /xen-4.0-amd64.gz placeholder in grub2). The same kernel (2.6.32-5-xen-amd64 #1 SMP Fri Dec 10) without Xen hypervisor works flowlessly. Here are some logs : [163440.613034] INFO: task kjournald:299 blocked for more than 120 seconds. [163440.613208] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [163440.613466] kjournald D 0000000000000000 0 299 2 0x00000000 [163440.613475]...

Hello Get this on first write made ( by deliver sending mail to inform of the restart of services ) Home partition (the one receiving the mail) is based on ocfs2 created from drbd block device in primary/primary mode These drbd devices are based on lvm. system is running linux-3.5.0, identical symptom with linux 3.3 and 3.2 but working with linux 3.0 kernel reproduced on two machines ( so