MyISAM Too many open files; + index.cache: Cannot allocate memory

[Voytek Eymont]

On Tue, January 16, 2018 7:31 pm, Voytek Eymont wrote:
//var/vmail/vmail1/sbt.net.au/postmaster at sbt.net.au//Maildir/dovecot.inde
> x.cache:
> Cannot allocate memory

-rw-------  1 vmail vmail 263578648 Jan 16 03:43 dovecot.index.cache

I've deleted above, now:

-rw-------  1 vmail vmail  4072 Jan 16 19:47 dovecot.index.cache

maybe it was rsynced from old server..?

still not sure about MyISAM error ?

-- 
Voytek