gy09535 commented on a change in pull request #2727:
URL: https://github.com/apache/apisix/pull/2727#discussion_r525832876
##########
File path: apisix/plugins/zipkin/reporter.lua
##########
@@ -105,38 +104,68 @@ function _M.report(self, span)
annotations = span.logs
}
- local i = self.pending_spans_n + 1
- self.pending_spans[i] = zipkin_span
- self.pending_spans_n = i
-end
-
-function _M.flush(self)
- if self.pending_spans_n == 0 then
-
- return true
+ self.pending_spans_n = self.pending_spans_n + 1
+ if self.processor then
+ self.processor:push(zipkin_span)
end
+end
- local pending_spans = cjson.encode(self.pending_spans)
- self.pending_spans = {}
- self.pending_spans_n = 0
-
+local function send_span(pending_spans, report)
local httpc = resty_http.new()
- local res, err = httpc:request_uri(self.endpoint, {
+ local res = httpc:request_uri(report.endpoint, {
method = "POST",
headers = {
["content-type"] = "application/json",
},
body = pending_spans,
+ keepalive = 5000,
+ keepalive_pool = 5
})
- -- TODO: on failure, retry?
if not res then
- return nil, "failed to request: " .. err
+ return nil, "failed: " .. report.endpoint
elseif res.status < 200 or res.status >= 300 then
return nil, "failed: " .. res.status .. " " .. res.reason
end
- return true
+ return true
+end
+
+function _M.init_processor(self)
+ local process_conf = {
+ name = "zipkin_report",
+ retry_delay = 1,
+ batch_max_size = 1000,
+ max_retry_count = 0,
+ buffer_duration = 60,
+ inactive_timeout = 5
+ }
+
+ local flush = function (entries, batch_max_size)
+ if not entries then
+ return true
+ end
+
+ local pending_spans, err
+ if batch_max_size == 1 then
+ pending_spans, err = cjson.encode(entries[1])
Review comment:
I think it doesn't matter in this case, it is a batch job and can not
be has error, because for input spans must be serialized.If it can not be
serialized, must be bug?
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