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From "Pierre Chalamet (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-5568) Invalid tracing info for execute_prepared_cql3_query
Date Tue, 14 May 2013 21:45:16 GMT
Pierre Chalamet created CASSANDRA-5568:
------------------------------------------

             Summary: Invalid tracing info for execute_prepared_cql3_query
                 Key: CASSANDRA-5568
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5568
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.2.4
         Environment: Windows 8 x64
Java HotSpot(TM) 64-Bit Server VM/1.7.0_11
            Reporter: Pierre Chalamet
            Priority: Minor


When using trace_next_query() then execute_prepared_cql3_query(), it looks like tracing info
are invalid (number of sessions/events and columns values are wrong).

How to reproduce:
{code}
create keyspace Tests with replication = {'class': 'SimpleStrategy', 'replication_factor'
: 1}
create table Tests.stresstest (strid varchar,intid int, primary key (strid))
{code}

and then executing the following prepared query 50,000 times:
{code}
insert into Tests.stresstest (intid, strid) values (?, ?)
{code}

produces the following results:
{code}
localhost> select count(*) from Tests.stresstest
+------------+
| count      |
+============+
| 50000      |
+------------+
localhost> select count(*) from system_traces.events
+------------+
| count      |
+============+
| 20832      |
+------------+
localhost> select count(*) from system_traces.sessions
+------------+
| count      |
+============+
| 26717      |
+------------+
localhost> select * from system_traces.sessions limit 10
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| sessionid                                | coordinator     | duration     | parameters 
   | request                         | startedat                 |
+==========================================+=================+==============+================+=================================+===========================+
| 9aefc263-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       |              |            
   | execute_prepared_cql3_query     | 5/14/2013 9:16:55 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9ce0bcf7-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       |              |            
   | execute_prepared_cql3_query     | 5/14/2013 9:16:59 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9dbe4ba4-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       |              |            
   | execute_prepared_cql3_query     | 5/14/2013 9:17:00 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9d4d3a54-bcdb-11e2-8c60-fb495ee6a12c     |                 | 44           |            
   |                                 |                           |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9a790bc1-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       |              |            
   | execute_prepared_cql3_query     | 5/14/2013 9:16:55 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9c992c98-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       |              |            
   | execute_prepared_cql3_query     | 5/14/2013 9:16:58 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9e27e2f6-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 53           |            
   | execute_prepared_cql3_query     | 5/14/2013 9:17:01 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9b172074-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       |              |            
   | execute_prepared_cql3_query     | 5/14/2013 9:16:56 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9a7cdc53-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 53           |            
   | execute_prepared_cql3_query     | 5/14/2013 9:16:55 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 9b6eb654-bcdb-11e2-8c60-fb495ee6a12c     | 127.0.0.1       |              |            
   | execute_prepared_cql3_query     | 5/14/2013 9:16:56 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
{code}


Using binary protocol and enabling tracing produces expected results:
{code}
localhost> select count(*) from Tests.stresstest
+------------+
| count      |
+============+
| 50000      |
+------------+
localhost> select count(*) from system_traces.events
+-------------+
| count       |
+=============+
| 200002      |
+-------------+
localhost> select count(*) from system_traces.sessions
+------------+
| count      |
+============+
| 50001      |
+------------+
localhost> select * from system_traces.sessions limit 10
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| sessionid                                | coordinator     | duration     | parameters 
   | request                         | startedat                 |
+==========================================+=================+==============+================+=================================+===========================+
| 745f5d10-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 141          |            
   | Execute CQL3 prepared query     | 5/14/2013 9:23:00 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 7ad9b050-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 131          |            
   | Execute CQL3 prepared query     | 5/14/2013 9:23:11 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 7ba00d90-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 123          |            
   | Execute CQL3 prepared query     | 5/14/2013 9:23:12 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 6ba0e635-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 60           |            
   | Execute CQL3 prepared query     | 5/14/2013 9:22:45 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 7f4595f0-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 254          |            
   | Execute CQL3 prepared query     | 5/14/2013 9:23:18 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 88c82020-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 1138         |            
   | Execute CQL3 prepared query     | 5/14/2013 9:23:34 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 83c6ff60-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 142          |            
   | Execute CQL3 prepared query     | 5/14/2013 9:23:26 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 824e1b05-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 75           |            
   | Execute CQL3 prepared query     | 5/14/2013 9:23:23 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 73957d60-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 147          |            
   | Execute CQL3 prepared query     | 5/14/2013 9:22:59 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
| 79f25d90-bcdc-11e2-8c60-fb495ee6a12c     | 127.0.0.1       | 153          |            
   | Execute CQL3 prepared query     | 5/14/2013 9:23:09 PM      |
+------------------------------------------+-----------------+--------------+----------------+---------------------------------+---------------------------+
{code}


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