curl -XPOST 'http://esnode3.internal.softwareheritage.org:9200/swh_workers-2018.10.11,swh_workers-2018.10.12,swh_workers-2018.10.13,swh_workers-2018.10.14/_search' -d '{
 "from": 10,
 "_source": [
  "message",
  "swh_logging_args_args",
  "swh_logging_args_exc",
  "swh_logging_args_kwargs",
  "systemd_unit",
  "_score",
  "priority"
 ],
 "sort": [
  {
   "@timestamp": "asc"
  }
 ],
 "query": {
  "bool": {
   "must": [
    {
     "match": {
      "systemd_unit.keyword": {
       "query": "swh-worker@swh_loader_mercurial.service"
      }
     }
    },
    {
     "term": {
      "priority": "3"
     }
    }
   ]
  }
 }
}'