janhoy commented on a change in pull request #1574:
URL: https://github.com/apache/lucene-solr/pull/1574#discussion_r442986787
##########
File path:
solr/core/src/java/org/apache/solr/handler/component/SearchHandler.java
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@@ -500,6 +509,29 @@ public void handleRequestBody(SolrQueryRequest req,
SolrQueryResponse rsp) throw
}
}
+ private void tagRequestWithRequestId(ResponseBuilder rb) {
+ String rid = getRequestId(rb.req);
+ if (StringUtils.isBlank(rb.req.getParams().get(CommonParams.REQUEST_ID))) {
+ ModifiableSolrParams params = new
ModifiableSolrParams(rb.req.getParams());
+ params.add(CommonParams.REQUEST_ID, rid);//add rid to the request so
that shards see it
+ rb.req.setParams(params);
+ }
+ if (rb.isDistrib) {
+ rb.rsp.addToLog(CommonParams.REQUEST_ID, rid); //to see it in the logs
of the landing core
+ }
+ }
+
+ public static String getRequestId(SolrQueryRequest req) {
+ String rid = req.getParams().get(CommonParams.REQUEST_ID);
+ return StringUtils.isNotBlank(rid) ? rid : generateRid(req);
+ }
+
+ @SuppressForbidden(reason = "Need currentTimeMillis, only used for naming")
+ private static String generateRid(SolrQueryRequest req) {
+ String hostName = req.getCore().getCoreContainer().getHostName();
+ return hostName + "-" + req.getCore().getName() + "-" +
System.currentTimeMillis() + "-" + ridCounter.getAndIncrement();
Review comment:
Does the string need to be human readable? A 32 bit hash based on
node-id+counter would be unique enough?
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