Disable cache in bind 9.6

[Dmitry Rybin]

Matus UHLAR - fantomas wrote:

>>> and let me know if it mitigates the problem?
> 
> On 29.01.09 22:50, Dmitry Rybin wrote:
>> Oh, great work. I'll try tomorrow.

Named with JINMEI Tatuy patch:
max-cache-size 800M;

Morning Statistic
version: 9.6.0-P1
CPUs found: 8
worker threads: 8
number of zones: 1040
debug level: 0
xfers running: 0
xfers deferred: 0
soa queries in progress: 0
query logging is OFF
recursive clients: 167/4900/5000
tcp clients: 0/100
server is up and running

Started at Feb 3 00:51 (Now Feb  4 11:15:37) MSK
Startup mem: 890M
Cur. memory usage: 2534M
System limit: 16G

++ Incoming Requests ++
           112510181 QUERY
                 550 IQUERY
                  42 STATUS
                1043 RESERVED3
              101299 NOTIFY
                 101 UPDATE
                  14 RESERVED11
++ Incoming Queries ++
                1929 RESERVED0
            75241540 A
             2105214 NS
                 100 CNAME
              276292 SOA
                2490 WKS
            26826476 PTR
                   2 HINFO
             4690581 MX
              236619 TXT
                  24 X25
             2003829 AAAA
                  17 LOC
              713837 SRV
               46397 NAPTR
                  58 A6
                1022 SPF
                   4 IXFR
                   5 AXFR
              317561 ANY
                  23 Others
++ Outgoing Queries ++



>> Yes, I try it. But I can't set ttl to 0. It didn't work. Recursive query
>> fails, and authoritative query back to clients with ttl 0  :(
> 
> Yes, that is what "Setting TTL to 0" means.
> 
>> ~50 views, 
> 
> can't you really lower the views count?
> 

It's impossible, :-( over 500'000 client use bind and we must use views
to split load on another services.