[incubator-apisix] branch master updated: bugfix(prometheus): the `overhead` should use milliseconds. #1615 (#1616)

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membphis pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-apisix.git


The following commit(s) were added to refs/heads/master by this push:
     new 6cf21d3  bugfix(prometheus): the `overhead` should use milliseconds. #1615 (#1616)
6cf21d3 is described below

commit 6cf21d3c2f0030ef7517c8a18367cfa49c8d130f
Author: dabue <53...@users.noreply.github.com>
AuthorDate: Thu May 28 23:41:59 2020 +0800

    bugfix(prometheus): the `overhead` should use milliseconds. #1615 (#1616)
    
    Fix #1615
---
 apisix/plugins/prometheus/exporter.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apisix/plugins/prometheus/exporter.lua b/apisix/plugins/prometheus/exporter.lua
index de72910..2c0b6fc 100644
--- a/apisix/plugins/prometheus/exporter.lua
+++ b/apisix/plugins/prometheus/exporter.lua
@@ -110,7 +110,7 @@ function _M.log(conf, ctx)
 
     local overhead = latency
     if ctx.var.upstream_response_time then
-        overhead = overhead - tonumber(ctx.var.upstream_response_time)
+        overhead =  overhead - tonumber(ctx.var.upstream_response_time) * 1000
     end
     metrics.overhead:observe(overhead,
         gen_arr("request", service_id, balancer_ip))