vadv

Using prometheus collector MustRegister in New{Counter,Gauge} and possible panic

7

Thanks for the wonderful product! I think it would be fair to point the limitations of calling New in the documentation, since calling New again calls panic.

odyssey: ``` time PGSSLMODE=require psql -Atc "select repeat('1', 40000000)" > /dev/null real 0m20.812s ``` pgbouncer: ``` time PGSSLMODE=require psql -Atc "select repeat('1', 40000000)" > /dev/null real 0m0.714s ``` 

Twice response to one query

1

It can be seen in tcpdump that two responses came to one client query. in stream 270 `tcp.stream eq 270`: * query: packet number 202136 * twice response: packet number...

Some drivers, for example [pgx v4](github.com/jackc/pgx/), have an error, because of which they can send a query twice without waiting for a response to the first queries. This is perceived...