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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2021/11/10 06:47:32 UTC
[GitHub] [apisix] aiyiyi121 opened a new issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
aiyiyi121 opened a new issue #5471:
URL: https://github.com/apache/apisix/issues/5471
### Issue description
such as:
```
{
"timeout": {
"send": 60,
"connect": 60,
"read": 60
},
"create_time": 1635499028,
"update_time": 1635499028,
"hash_on": "vars",
"pass_host": "rewrite",
"upstream_host": "vodkw3u1yoz.nosdn.127.net",
"type": "roundrobin",
"name": "netease-download-pro",
"nodes": {
"vodkw3u1yoz.nosdn.127.net": 1
},
"id": "netease-download-pro",
"scheme": "http"
}
```
I find if the ip of `vodkw3u1yoz.nosdn.127.net` changes, the upstream_addr ip hasn't changed. How can I resolve it?
### Environment
- apisix version (cmd: `apisix version`): 2.10
- OS (cmd: `uname -a`): centos 7.8
- OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`): openresty/1.19.3.1
- etcd version, if have (cmd: run `curl http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):
- apisix-dashboard version, if have:
- the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
- luarocks version, if the issue is about installation (cmd: `luarocks --version`):
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[GitHub] [apisix] lixuewang commented on issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
lixuewang commented on issue #5471:
URL: https://github.com/apache/apisix/issues/5471#issuecomment-989619400
i guess TTL can not resolve this problem. i find when os can resolve the right ip ,but apisix still use wrong ip.
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[GitHub] [apisix] tzssangglass commented on issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5471:
URL: https://github.com/apache/apisix/issues/5471#issuecomment-989854827
> i guess TTL can not resolve this problem. i find when os can resolve the right ip ,but apisix still use wrong ip.
pls show the case
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[GitHub] [apisix] aiyiyi121 commented on issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
aiyiyi121 commented on issue #5471:
URL: https://github.com/apache/apisix/issues/5471#issuecomment-965000566
@tokers Thanks，I will make a demo to test it this week.
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[GitHub] [apisix] spacewander closed issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
spacewander closed issue #5471:
URL: https://github.com/apache/apisix/issues/5471
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[GitHub] [apisix] tzssangglass commented on issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5471:
URL: https://github.com/apache/apisix/issues/5471#issuecomment-991921307
> apisix still has many long established link to ipA
can you submit a new issue about this? and with more detailed description of the reproduction steps, configuration, etc. this looks like a bug.
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[GitHub] [apisix] tzssangglass commented on issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5471:
URL: https://github.com/apache/apisix/issues/5471#issuecomment-989901312
You may be using email to reply, do you have a way to reply on Github. The format of emails is confusing on Github.
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[GitHub] [apisix] lixuewang commented on issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
lixuewang commented on issue #5471:
URL: https://github.com/apache/apisix/issues/5471#issuecomment-989893870
my case:<br/>systemA->apisix->(domainname)systemB(has ip IPA and ipB)<br/><br/>1、systemA->apisix->IPA<br/>2、when domainname resolve ipB<br/><br/>apisix still has many long established link to ipA<br/><br/>but I wish apisix connect to IPB .because IPA is read only ,cannot write<br/><br/>how can I resolve this question？<br/><br/><html>
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2021年12月09日 21:31
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Re: [apache/apisix] request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time? (Issue #5471)
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<blockquote>
<p dir="auto">i guess TTL can not resolve this problem. i find when os can resolve the right ip ,but apisix still use wrong ip.</p>
</blockquote>
<p dir="auto">pls show the case</p>
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[GitHub] [apisix] tokers commented on issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
tokers commented on issue #5471:
URL: https://github.com/apache/apisix/issues/5471#issuecomment-964896281
By default the record caching TTL is decided according to the TTL settings on the DNS response, check out the DNS TTL settings of this domain, or you can override the TTL by configuring it in APISIX config.yaml, see https://github.com/apache/apisix/blob/master/conf/config-default.yaml#L124 for details.
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[GitHub] [apisix] spacewander commented on issue #5471: request help: When I use the domain as upstream nodes. If the DNS resolution of this domain changes.Can apisix sense it in real time?
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #5471:
URL: https://github.com/apache/apisix/issues/5471#issuecomment-976510769
Consider solved. Feel free to reopen it if need.
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