On Dec 14, 2012, at 7:10 AM, Rainer Jung <rainer.j...@kippdata.de> wrote: > > - The "Used" count in balancer manager drops to "0" after restart/reboot > with persist on. It seems the slot management is not completely right. > Not yet further investigated.
This is intentional actually. The configs are maintained, but the stats are not, since we must start the "counting" from scratch since the config has changed. > > - A warning might be needed about mixing changes via balancer manager > and via config: > > - If changing the path for a balancer in config while persist is on > and then restarting, the balancer manager shows the old path > from the persisted shm, but it seems the new one from the > config is in effect. > > - E.g. setting a member state to stopped in config and again doing > a persist restart, the old state from shm wins and the change in > config is ignored. > +1 > So it seems before applying changes to the config one should always > backport all changes applied via the manager (not trivial, because you'd > have to check all displayed values against the configured ones), then > stop, then remove the *.persist files, apply config changes and start again. > > - Switching persistence from on to off in config and then doing a > restart keeps the old .persist files around. They are ignored during the > startup as expected, but next time you'll switch back to persist on, the > outdated .persist file will again be loaded. > Yeah, good point... > - "Elected" display in balancer manager survives restart, whereas > "To" and "From" (byte counts) do not. > Again intentional.