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Re: [PATCH] upstream keepalive: save and restore connection data

Maxim Dounin
May 01, 2022 11:56AM
Hello!

On Sun, May 01, 2022 at 07:46:05AM +0500, RekGRpth wrote:

> now, for example, I do very dirty hack for this:
> https://github.com/RekGRpth/ngx_pg_module/blob/06eab53160fcff2b19e73ed5bc787f534c2a4c2e/ngx_pg_module.c#L1382-L1385
> for save and https://github.com/RekGRpth/ngx_pg_module/blob/06eab53160fcff2b19e73ed5bc787f534c2a4c2e/ngx_pg_module.c#L1362
> for restore

As far as I understand, the module in question misuses parts of
the upstream infrastructure, notably upstream blocks and
balancers, for its own needs. It looks somewhat strange to me to
request changes in the infrastructure which corresponds to the
misuse in question and not the use of the infrastructure in the
upstream module itself.

Either way, a better and well supported approach to save any
connection-specific data within a cached connection would be to do
so via a connection's pool cleanup, see gRPC proxy module for an
example:

http://hg.nginx.org/nginx/file/a736a7a613ea/src/http/modules/ngx_http_grpc_module.c#l4196

Hope this helps.

--
Maxim Dounin
http://mdounin.ru/
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Subject Author Views Posted

[PATCH] upstream keepalive: save and restore connection data

RekGRpth 594 April 30, 2022 01:04AM

Re: [PATCH] upstream keepalive: save and restore connection data

Maxim Dounin 100 April 30, 2022 06:20PM

Re: [PATCH] upstream keepalive: save and restore connection data

RekGRpth 193 April 30, 2022 10:48PM

Re: [PATCH] upstream keepalive: save and restore connection data

Maxim Dounin 130 May 01, 2022 11:56AM

Re: [PATCH] upstream keepalive: save and restore connection data

RekGRpth 104 May 01, 2022 11:44PM

Re: [PATCH] upstream keepalive: save and restore connection data

Maxim Dounin 85 May 02, 2022 04:12PM

Re: [PATCH] upstream keepalive: save and restore connection data

RekGRpth 85 May 05, 2022 12:24AM

Re: [PATCH] upstream keepalive: save and restore connection data

Maxim Dounin 138 May 05, 2022 05:38PM

Re: [PATCH] upstream keepalive: save and restore connection data

RekGRpth 98 May 05, 2022 11:40PM

Re: [PATCH] upstream keepalive: save and restore connection data

Maxim Dounin 96 May 06, 2022 09:30AM

Re: [PATCH] upstream keepalive: save and restore connection data

RekGRpth 111 May 06, 2022 09:58AM



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