We have HA-MySQL behind our Kea servers, but the scopes themselves are sharded to avoid this kind of write contention. In our case, we've got a network partition that serves as an effective bright line between who's responsible for what.
cheers Klaus On Tue, Mar 13, 2018 at 4:18 AM, <[email protected]> wrote: > Hey, pal, that's my thread )) > > if you installed boost and configure can't find it - use ./configure --help > there should be option --with-boost-source or smth like that > > > > On 2018-03-13 15:10, Tobi Obadiah wrote: > >> Hello there, >> >> Am just getting started with Kea, on my attempt to install kea on >> Ubuntu16.04 desktop I keep getting the "Missing required header >> files" errors >> I have to manage to fix some of them but wonder if there is a standard >> procedure to get this fix. Though I have boost installed >> "boost/shared_ptr.hpp" >> is reported missing. >> >> I appreciate your help. >> >> On Tue, Mar 13, 2018 at 11:37 AM, Dominik Epple >> <[email protected]> wrote: >> >> Hi, >>> >>> it might help if you pick a dedicated galera write node, i.e. both >>> of your kea servers write to the same galera node at each point in >>> time. You can still configure that in a HA fashion by some >>> active-passive loadbalancer or a failover IP or something. >>> >>> The other option would be that the kea code gets adjusted for >>> running "galera-aware" but I am no expert on what exactly needs to >>> happen there. But if it can't be fixed on application level, it >>> probably can be fixed on system level by picking a dedicated write >>> node. >>> >>> Dominik >>> >>> 2018-03-13 11:28 GMT+01:00 <[email protected]>: >>> >>> Hi guys, >>>> >>>> I'm running 2 kea dhcp servers and connect them to galera-mysql >>>> cluster for HA. >>>> Everything is ok, but sometimes i have this message in logs: >>>> >>>> 2018-03-13 14:14:45.036 ERROR [kea-dhcp4.alloc-engine/11864] >>>> ALLOC_ENGINE_V4_ALLOC_ERROR [hwtype=1 b8:53:ac:xx:xx:xx], >>>> cid=[01:b8:53:ac:xx:xx:xx], tid=0xa56d03a4: error during attempt >>>> to allocate an IPv4 address: unable to execute for <SELECT >>>> address, hwaddr, client_id, valid_lifetime, expire, subnet_id, >>>> fqdn_fwd, fqdn_rev, hostname, state FROM lease4 WHERE client_id = >>>> ? AND subnet_id = ?>, reason: Deadlock found when trying to get >>>> lock; try restarting transaction (error code 1213) >>>> >>>> the network is relatively small - not more than 50-100 requests >>>> per second >>>> >>>> How can I get rid of these messages? Cause after getting this >>>> error, server sends NACK to client >>>> _______________________________________________ >>>> Kea-users mailing list >>>> [email protected] >>>> https://lists.isc.org/mailman/listinfo/kea-users [1] >>>> >>> >>> _______________________________________________ >>> Kea-users mailing list >>> [email protected] >>> https://lists.isc.org/mailman/listinfo/kea-users [1] >>> >> >> >> >> Links: >> ------ >> [1] https://lists.isc.org/mailman/listinfo/kea-users >> > _______________________________________________ > Kea-users mailing list > [email protected] > https://lists.isc.org/mailman/listinfo/kea-users >
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