[
https://issues.apache.org/jira/browse/TS-2391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
David Carlin updated TS-2391:
-----------------------------
Description:
We have a number of remaps using 127.0.0.1 for serving healthchecks. Bryan
Call noticed ATS seems to try and resolve 1.0.0.127.in-addr.arpa for every one
of the requests (there are a lot, sometimes hundreds per second).
Occasionally this process hangs; If I grep squid.blog for 127.0.0.1 I'll see
the healthcheck log entries flowing and then all of a sudden it'll stop
anywhere from 15-80 seconds. Then the backlog of healthchecks is cleared out
at once. 5-20 minutes later this process will recur.
>From traffic.out with debug dns.*|hostdb.* - this occurs continuously.
>Lookup for 1.0.0.127.in-addr.arpa fails (NXDOMAIN) and it doesn't get added to
>HostDB.
Unsure if related, but TS-852 seemed similar.
{noformat}
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received query type
= 12, timeout = 0
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) enqueing query
1.0.0.127.in-addr.arpa
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) adding first to
collapsing queue
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) send query
(qtype=12) for 1.0.0.127.in-addr.arpa to fd 236
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent qname =
1.0.0.127.in-addr.arpa, id = 56887, nameserver = 0
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent_one:
failover_number for resolver 0 is 1
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received packet size
= 109
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) primary DNS response
code = 0
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received rcode = 3
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) DNS error 3 for
[1.0.0.127.in-addr.arpa]
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) send query
(qtype=12) for to fd 236
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent qname = , id =
4497, nameserver = 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) sent_one:
failover_number for resolver 0 is 1
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) received packet size
= 92
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) primary DNS response
code = 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) received rcode = 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) DNS error 0 for []
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) FAIL result for =
<not found> retry 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) called back
continuation for
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) probe
aa30de0f80a82135 1 [ignore_timeout = 1]
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) '' failed
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) fail timeout 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) failed for
127.0.0.1
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) inserting for: :
(md5: aa30de0f80a82135) bucket: 1017 now: 1385325494 timeout: 0 ttl: 0
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) probe 127.0.0.1
9993e35a45b4be6a 1 [ignore_timeout = 0]
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) immediate answer
for 127.0.0.1
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) probe
aa30de0f80a82135 1 [ignore_timeout = 0]
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) '' failed
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) fail timeout 0
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) delaying force 0
answer for 127.0.0.1
[Nov 24 20:40:46.707] Server {0x2b759c8953a0} DEBUG: (hostdb) probe
aa30de0f80a82135 1 [ignore_timeout = 0]
[Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) '' failed
[Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) fail timeout 0
[Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) DNS IP 127.0.0.1
{noformat}
YTS doesn't have this issue:
{noformat}
bash-3.2# traffic_server -k
[Nov 24 20:18:11.941] {4146358528} STATUS: opened /home/y/logs/yts/diags.log
[Nov 24 20:18:11.959] Server {4146358528} DEBUG: (dns) ink_dns_init: called
with init_called = 0
[Nov 24 20:18:11.992] Server {4146358528} DEBUG: (dns) initial
dns_sequence_number = 10131
[Nov 24 20:18:11.993] Server {4146358528} DEBUG: (dns) localhost=<hostname
redacted>
[Nov 24 20:18:11.993] Server {4146358528} DEBUG: (dns) Round-robin nameservers
= 0
[Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) DNSHandler::startEvent:
on thread0
[Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) open_con: opening
connection <dns server ip redacted>:53
[Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) random port = 28292
[Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) opening connection <dns
server ip redacted>:53 SUCCEEDED for 0
[Nov 24 20:18:12.860] Server {3991255952} DEBUG: (hostdb) probe 127.0.0.1
E9B7563422C93608 0 [ignore_timeout = 0]
[Nov 24 20:18:12.863] Server {3991255952} DEBUG: (hostdb) delaying force 0
answer for 127.0.0.1 [timeout 0]
[Nov 24 20:18:12.866] Server {4146358528} DEBUG: (hostdb) probe 127.0.0.1
E9B7563422C93608 0 [ignore_timeout = 0]
[Nov 24 20:18:12.866] Server {4146358528} DEBUG: (hostdb) DNS 127.0.0.1
[Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb_insert) inserting in
bucket 2926
[Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb) inserting for:
127.0.0.1: (md5: E9B7563422C93608) now: 1385324292 timeout: 2097151 ttl: 2097151
[Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb) done 127.0.0.1 TTL
2097151
[Nov 24 20:18:12.870] Server {4146358528} DEBUG: (hostdb) probe 127.0.0.1
E9B7563422C93608 1 [ignore_timeout = 0]
[Nov 24 20:18:12.870] Server {4146358528} DEBUG: (hostdb) immediate setby for
127.0.0.1
[Nov 24 20:18:14.657] Server {3990203280} DEBUG: (hostdb) probe 127.0.0.1
E9B7563422C93608 1 [ignore_timeout = 0]
[Nov 24 20:18:14.657] Server {3990203280} DEBUG: (hostdb) immediate answer for
127.0.0.1
{noformat}
was:
We have a number of remaps using 127.0.0.1 for serving healthchecks. Bryan
Call noticed ATS seems to try and resolve 1.0.0.127.in-addr.arpa for every one
of the requests (there are a lot, sometimes hundreds per second).
Occasionally this process hangs; If I grep squid.blog for 127.0.0.1 I'll see
the healthcheck log entries flowing and then all of a sudden it'll stop
anywhere from 15-80 seconds. Then the backlog of healthchecks is cleared out
at once. 5-10 minutes later this process will recur.
>From traffic.out with debug dns.*|hostdb.* - this occurs continuously.
>Lookup for 1.0.0.127.in-addr.arpa fails (NXDOMAIN) and it doesn't get added to
>HostDB.
Unsure if related, but TS-852 seemed similar.
{noformat}
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received query type
= 12, timeout = 0
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) enqueing query
1.0.0.127.in-addr.arpa
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) adding first to
collapsing queue
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) send query
(qtype=12) for 1.0.0.127.in-addr.arpa to fd 236
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent qname =
1.0.0.127.in-addr.arpa, id = 56887, nameserver = 0
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent_one:
failover_number for resolver 0 is 1
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received packet size
= 109
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) primary DNS response
code = 0
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received rcode = 3
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) DNS error 3 for
[1.0.0.127.in-addr.arpa]
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) send query
(qtype=12) for to fd 236
[Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent qname = , id =
4497, nameserver = 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) sent_one:
failover_number for resolver 0 is 1
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) received packet size
= 92
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) primary DNS response
code = 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) received rcode = 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) DNS error 0 for []
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) FAIL result for =
<not found> retry 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) called back
continuation for
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) probe
aa30de0f80a82135 1 [ignore_timeout = 1]
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) '' failed
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) fail timeout 0
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) failed for
127.0.0.1
[Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) inserting for: :
(md5: aa30de0f80a82135) bucket: 1017 now: 1385325494 timeout: 0 ttl: 0
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) probe 127.0.0.1
9993e35a45b4be6a 1 [ignore_timeout = 0]
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) immediate answer
for 127.0.0.1
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) probe
aa30de0f80a82135 1 [ignore_timeout = 0]
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) '' failed
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) fail timeout 0
[Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) delaying force 0
answer for 127.0.0.1
[Nov 24 20:40:46.707] Server {0x2b759c8953a0} DEBUG: (hostdb) probe
aa30de0f80a82135 1 [ignore_timeout = 0]
[Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) '' failed
[Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) fail timeout 0
[Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) DNS IP 127.0.0.1
{noformat}
YTS doesn't have this issue:
{noformat}
bash-3.2# traffic_server -k
[Nov 24 20:18:11.941] {4146358528} STATUS: opened /home/y/logs/yts/diags.log
[Nov 24 20:18:11.959] Server {4146358528} DEBUG: (dns) ink_dns_init: called
with init_called = 0
[Nov 24 20:18:11.992] Server {4146358528} DEBUG: (dns) initial
dns_sequence_number = 10131
[Nov 24 20:18:11.993] Server {4146358528} DEBUG: (dns) localhost=<hostname
redacted>
[Nov 24 20:18:11.993] Server {4146358528} DEBUG: (dns) Round-robin nameservers
= 0
[Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) DNSHandler::startEvent:
on thread0
[Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) open_con: opening
connection <dns server ip redacted>:53
[Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) random port = 28292
[Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) opening connection <dns
server ip redacted>:53 SUCCEEDED for 0
[Nov 24 20:18:12.860] Server {3991255952} DEBUG: (hostdb) probe 127.0.0.1
E9B7563422C93608 0 [ignore_timeout = 0]
[Nov 24 20:18:12.863] Server {3991255952} DEBUG: (hostdb) delaying force 0
answer for 127.0.0.1 [timeout 0]
[Nov 24 20:18:12.866] Server {4146358528} DEBUG: (hostdb) probe 127.0.0.1
E9B7563422C93608 0 [ignore_timeout = 0]
[Nov 24 20:18:12.866] Server {4146358528} DEBUG: (hostdb) DNS 127.0.0.1
[Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb_insert) inserting in
bucket 2926
[Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb) inserting for:
127.0.0.1: (md5: E9B7563422C93608) now: 1385324292 timeout: 2097151 ttl: 2097151
[Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb) done 127.0.0.1 TTL
2097151
[Nov 24 20:18:12.870] Server {4146358528} DEBUG: (hostdb) probe 127.0.0.1
E9B7563422C93608 1 [ignore_timeout = 0]
[Nov 24 20:18:12.870] Server {4146358528} DEBUG: (hostdb) immediate setby for
127.0.0.1
[Nov 24 20:18:14.657] Server {3990203280} DEBUG: (hostdb) probe 127.0.0.1
E9B7563422C93608 1 [ignore_timeout = 0]
[Nov 24 20:18:14.657] Server {3990203280} DEBUG: (hostdb) immediate answer for
127.0.0.1
{noformat}
> Traffic Server tries to reverse resolve 127.0.0.1
> -------------------------------------------------
>
> Key: TS-2391
> URL: https://issues.apache.org/jira/browse/TS-2391
> Project: Traffic Server
> Issue Type: Bug
> Components: Core
> Reporter: David Carlin
>
> We have a number of remaps using 127.0.0.1 for serving healthchecks. Bryan
> Call noticed ATS seems to try and resolve 1.0.0.127.in-addr.arpa for every
> one of the requests (there are a lot, sometimes hundreds per second).
> Occasionally this process hangs; If I grep squid.blog for 127.0.0.1 I'll see
> the healthcheck log entries flowing and then all of a sudden it'll stop
> anywhere from 15-80 seconds. Then the backlog of healthchecks is cleared out
> at once. 5-20 minutes later this process will recur.
> From traffic.out with debug dns.*|hostdb.* - this occurs continuously.
> Lookup for 1.0.0.127.in-addr.arpa fails (NXDOMAIN) and it doesn't get added
> to HostDB.
> Unsure if related, but TS-852 seemed similar.
> {noformat}
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received query
> type = 12, timeout = 0
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) enqueing query
> 1.0.0.127.in-addr.arpa
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) adding first to
> collapsing queue
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) send query
> (qtype=12) for 1.0.0.127.in-addr.arpa to fd 236
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent qname =
> 1.0.0.127.in-addr.arpa, id = 56887, nameserver = 0
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent_one:
> failover_number for resolver 0 is 1
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received packet
> size = 109
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) primary DNS
> response code = 0
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) received rcode = 3
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) DNS error 3 for
> [1.0.0.127.in-addr.arpa]
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) send query
> (qtype=12) for to fd 236
> [Nov 24 20:40:46.619] Server {0x2b759c8953a0} DEBUG: (dns) sent qname = , id
> = 4497, nameserver = 0
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) sent_one:
> failover_number for resolver 0 is 1
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) received packet
> size = 92
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) primary DNS
> response code = 0
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) received rcode = 0
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) DNS error 0 for []
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) FAIL result for =
> <not found> retry 0
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (dns) called back
> continuation for
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) probe
> aa30de0f80a82135 1 [ignore_timeout = 1]
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) '' failed
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) fail timeout 0
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) failed for
> 127.0.0.1
> [Nov 24 20:40:46.620] Server {0x2b759c8953a0} DEBUG: (hostdb) inserting for:
> : (md5: aa30de0f80a82135) bucket: 1017 now: 1385325494 timeout: 0 ttl: 0
> [Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) probe 127.0.0.1
> 9993e35a45b4be6a 1 [ignore_timeout = 0]
> [Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) immediate
> answer for 127.0.0.1
> [Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) probe
> aa30de0f80a82135 1 [ignore_timeout = 0]
> [Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) '' failed
> [Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) fail timeout 0
> [Nov 24 20:40:46.707] Server {0x2b759d74e700} DEBUG: (hostdb) delaying force
> 0 answer for 127.0.0.1
> [Nov 24 20:40:46.707] Server {0x2b759c8953a0} DEBUG: (hostdb) probe
> aa30de0f80a82135 1 [ignore_timeout = 0]
> [Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) '' failed
> [Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) fail timeout 0
> [Nov 24 20:40:46.708] Server {0x2b759c8953a0} DEBUG: (hostdb) DNS IP 127.0.0.1
> {noformat}
> YTS doesn't have this issue:
> {noformat}
> bash-3.2# traffic_server -k
> [Nov 24 20:18:11.941] {4146358528} STATUS: opened /home/y/logs/yts/diags.log
> [Nov 24 20:18:11.959] Server {4146358528} DEBUG: (dns) ink_dns_init: called
> with init_called = 0
> [Nov 24 20:18:11.992] Server {4146358528} DEBUG: (dns) initial
> dns_sequence_number = 10131
> [Nov 24 20:18:11.993] Server {4146358528} DEBUG: (dns) localhost=<hostname
> redacted>
> [Nov 24 20:18:11.993] Server {4146358528} DEBUG: (dns) Round-robin
> nameservers = 0
> [Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns)
> DNSHandler::startEvent: on thread0
> [Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) open_con: opening
> connection <dns server ip redacted>:53
> [Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) random port = 28292
> [Nov 24 20:18:12.554] Server {4146358528} DEBUG: (dns) opening connection
> <dns server ip redacted>:53 SUCCEEDED for 0
> [Nov 24 20:18:12.860] Server {3991255952} DEBUG: (hostdb) probe 127.0.0.1
> E9B7563422C93608 0 [ignore_timeout = 0]
> [Nov 24 20:18:12.863] Server {3991255952} DEBUG: (hostdb) delaying force 0
> answer for 127.0.0.1 [timeout 0]
> [Nov 24 20:18:12.866] Server {4146358528} DEBUG: (hostdb) probe 127.0.0.1
> E9B7563422C93608 0 [ignore_timeout = 0]
> [Nov 24 20:18:12.866] Server {4146358528} DEBUG: (hostdb) DNS 127.0.0.1
> [Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb_insert) inserting in
> bucket 2926
> [Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb) inserting for:
> 127.0.0.1: (md5: E9B7563422C93608) now: 1385324292 timeout: 2097151 ttl:
> 2097151
> [Nov 24 20:18:12.867] Server {4146358528} DEBUG: (hostdb) done 127.0.0.1 TTL
> 2097151
> [Nov 24 20:18:12.870] Server {4146358528} DEBUG: (hostdb) probe 127.0.0.1
> E9B7563422C93608 1 [ignore_timeout = 0]
> [Nov 24 20:18:12.870] Server {4146358528} DEBUG: (hostdb) immediate setby for
> 127.0.0.1
> [Nov 24 20:18:14.657] Server {3990203280} DEBUG: (hostdb) probe 127.0.0.1
> E9B7563422C93608 1 [ignore_timeout = 0]
> [Nov 24 20:18:14.657] Server {3990203280} DEBUG: (hostdb) immediate answer
> for 127.0.0.1
> {noformat}
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