Request for approval (7157903 : JSSE client sockets are very slow) for 6-open

Xuelei Fan xuelei.fan at oracle.com
Wed Jul 11 19:05:01 PDT 2012


The fix looks fine to me.

Thanks for addressing this issue.

Xuelei

On 7/12/2012 1:58 AM, Mala Bankal wrote:
> HI,
> 
> Request approval for :
> 7157903 JSSE client sockets are very slow
> for 6-open
> 
> webrev :
> http://cr.openjdk.java.net/~mbankal/7157903/webrev.00/
> 
> Nagle Algorithm (TCP_NODELAY) which affects small packets is false by
> default.
> As a result, the kernel was throttling the JSSE output waiting for the
> peer's TCP ACK
> before sending the next packet. Fix is to combine the small/output
> packets if TCP_NODELAY
> is not active.
> 
> JDK8 and JDK7 integrations :
> http://hg.openjdk.java.net/jdk8/tl/jdk/rev/10480cf00dcd
> http://hg.openjdk.java.net/icedtea/jdk7/jdk/rev/0b287839e567
> 
> rgds
> mala
> 




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