Look at this setting in records.config:
CONFIG proxy.config.http.slow.log.threshold INT N
see also 
http://trafficserver.readthedocs.org/en/latest/admin-guide/files/records.config.en.html?highlight=proxy.config.http.slow.log.threshold#proxy-config-http-slow-log-threshold
This setting will log extra requests when they take more than N milliseconds. 
You can use a perl script here to spit out some useful data:
https://github.com/apache/trafficserver/blob/master/tools/slow_log_report.pl
 

    On Friday, January 22, 2016 1:41 PM, Adi Mallikarjuna Reddy V 
<[email protected]> wrote:
 

 I am newbie. Can you elaborate on enabling slow logging?
ThanksAdi
On Fri, Jan 22, 2016 at 7:58 AM, Alan Carroll <[email protected]> 
wrote:

I might try enabling slow logging at around 20..25 seconds and see what part of 
the transaction is slow enough to cause the client to abort. This should also 
help determine if the client aborts are due to the clients or because the 
transaction took too long.
 

    On Wednesday, January 20, 2016 5:33 PM, Adi Mallikarjuna Reddy V 
<[email protected]> wrote:
 

 Hello,
We are seeing an higher number of ERR_CLIENT_ABORT/200 errors in our usage of 
Traffic Server.
Our primary purpose of traffic server is only to act as Reverse Proxy and 
mainly for SSL termination (without caching). 
We are currently using:
Traffic Server version - 5.3.0 OS - Red Hat Enterprise Linux Server release 6.5 

The following are the configuration parameters:
CONFIG proxy.config.http.keep_alive_no_activity_timeout_in INT 115CONFIG 
proxy.config.http.keep_alive_no_activity_timeout_out INT 120CONFIG 
proxy.config.http.transaction_no_activity_timeout_in INT 300CONFIG 
proxy.config.http.transaction_no_activity_timeout_out INT 300CONFIG 
proxy.config.http.transaction_active_timeout_in INT 900CONFIG 
proxy.config.http.transaction_active_timeout_out INT 0CONFIG 
proxy.config.http.accept_no_activity_timeout INT 300CONFIG 
proxy.config.http.background_fill_active_timeout INT 120CONFIG 
proxy.config.http.background_fill_completed_threshold FLOAT 0.500000CONFIG 
proxy.config.http.connect_attempts_max_retries INT 0CONFIG 
proxy.config.http.connect_attempts_max_retries_dead_server INT 3CONFIG 
proxy.config.http.connect_attempts_rr_retries INT 3CONFIG 
proxy.config.http.connect_attempts_timeout INT 320CONFIG 
proxy.config.http.post_connect_attempts_timeout INT 1800CONFIG 
proxy.config.http.down_server.cache_time INT 300CONFIG 
proxy.config.http.down_server.abort_threshold INT 10

ThanksAdi


   



  

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