pgjdbc/pgjdbc GitHub issues and pull requests (mirror)
help / color / mirror / Atom feedFrom: bigfacewo (@bigfacewo) <[email protected]>
To: pgjdbc/pgjdbc <[email protected]>
Subject: Re: [pgjdbc/pgjdbc] issue #194: PgJDBC can experience client/server deadlocks during batch execution
Date: Mon, 26 Apr 2021 09:07:43 +0000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
> We've found that reducing the batch size avoids the behaviour. In addition, we made sure the operating system TCP configuration have larger allocated buffers. e.g.
>
> net.core.rmem_max = 134217728
> net.core.wmem_max = 134217728
> net.core.rmem_default = 134217728
> net.core.wmem_default = 134217728
> net.ipv4.tcp_mem = 18569037 24758719 37138074
> net.ipv4.tcp_rmem= 10240 87380 134217728
> net.ipv4.tcp_wmem= 10240 87380 134217728
>
> This is really just fiddling around the edges and trying to second guess the behaviour. It isn't a solution.
You are right! After configuration, the problem is solved temporarily
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To: github://pgjdbc/pgjdbc
Cc: [email protected], [email protected]
Subject: Re: [pgjdbc/pgjdbc] issue #194: PgJDBC can experience client/server deadlocks during batch execution
In-Reply-To: <<[email protected]>>
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