arangosh> var queries = require("org/arangodb/aql/queries");
arangosh> var tasks = require("org/arangodb/tasks");
arangosh> tasks.register({
........>  id: "mytask-1",
........>  name: "this is a sample task to spawn slow aql queries",
........>  period: 2,
........>  command: "require('internal').db._query('FOR sleepLoooong IN 1..5 LET sleepLoooonger = SLEEP(1) RETURN sleepLoooong');"
........> });
{ 
  "id" : "mytask-1", 
  "name" : "this is a sample task to spawn slow aql queries", 
  "type" : "periodic", 
  "period" : 2, 
  "created" : 1439371933.453324, 
  "command" : "require('internal').db._query('FOR sleepLoooong IN 1..5 LET sleepLoooonger = SLE...", 
  "database" : "_system", 
  "code" : 200 
}
arangosh> queries.current();
[ 
  { 
    "id" : "132", 
    "query" : "FOR sleepLoooong IN 1..5 LET sleepLoooonger = SLEEP(1) RETURN sleepLoooong", 
    "started" : "2015-08-12T09:32:18Z", 
    "runTime" : 1.1665658950805664 
  }, 
  { 
    "id" : "131", 
    "query" : "FOR sleepLoooong IN 1..5 LET sleepLoooonger = SLEEP(1) RETURN sleepLoooong", 
    "started" : "2015-08-12T09:32:16Z", 
    "runTime" : 3.180997848510742 
  } 
]