Help understanding rate limiting log entry
brentgclarklist at gmail.com
Thu Sep 1 14:01:53 UTC 2016
Good day Maxim
Thank you for taking the time in your explanation.
On 01/09/2016 15:25, Maxim Dounin wrote:
> On Thu, Sep 01, 2016 at 10:43:55AM +0200, Brent Clark wrote:
>> I just implemented rate limiting.
>> Could someone please explain what
>> *42450 is / means
> This is a connection number, also available as $connection.
>> 109154#109154 is / means
> This is nginx worker PID (also available as $pid) and thread identifier.
>> and what also
>> 10.195 (I take it 10 is the size my bucket, but its the 195 I dont
> This is number of requests acumulated in the bucket. If this
> number is more than burst defined (10 in your case), further
> request will be rejected.
> Number of requests in the bucket is reduced according to the rate
> defined and current time, and may not be integer. The ".195"
> means that an additional request will be allowed in about 195
> milliseconds assuming rate 1r/s.
>> Here is the log entry:
>> 2016/09/01 10:06:29 [error] 109154#109154: *42450 limiting requests, excess:
>> 10.195 by zone "req_limit_per_ip", client: 188.8.131.52, server: default,
>> request: "GET
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