Return-Path: X-Original-To: apmail-cassandra-commits-archive@www.apache.org Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id DC0101918C for ; Thu, 24 Mar 2016 14:22:25 +0000 (UTC) Received: (qmail 64727 invoked by uid 500); 24 Mar 2016 14:22:25 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 64689 invoked by uid 500); 24 Mar 2016 14:22:25 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 64382 invoked by uid 99); 24 Mar 2016 14:22:25 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 24 Mar 2016 14:22:25 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 6B9F82C14DC for ; Thu, 24 Mar 2016 14:22:25 +0000 (UTC) Date: Thu, 24 Mar 2016 14:22:25 +0000 (UTC) From: "Yasuharu Goto (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (CASSANDRA-11425) Add prepared query parameter to session trace for "Execute prepared CQL3 Query" MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/CASSANDRA-11425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yasuharu Goto updated CASSANDRA-11425: -------------------------------------- Summary: Add prepared query parameter to session trace for "Execute prepared CQL3 Query" (was: Add prepared statement on Execute prepared query session trace.) > Add prepared query parameter to session trace for "Execute prepared CQL3 Query" > ------------------------------------------------------------------------------- > > Key: CASSANDRA-11425 > URL: https://issues.apache.org/jira/browse/CASSANDRA-11425 > Project: Cassandra > Issue Type: Improvement > Components: CQL > Reporter: Yasuharu Goto > Assignee: Yasuharu Goto > Priority: Minor > > For now, the system_traces.sessions rows for "Execute CQL3 prepared query" do not show us any information about the prepared query which is executed on the session. So we can't see what query is the session executing. > I think this makes performance tuning difficult on Cassandra. > So, In this ticket, I'd like to add the prepared query parameter on Execute session trace like this. > {noformat} > cqlsh:system_traces> select * from sessions ; > session_id | client | command | coordinator | duration | parameters | request | started_at > --------------------------------------+-----------+---------+-------------+----------+------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+--------------------------------- > a001ec00-f1c5-11e5-b14a-6fe1292cf9f1 | 127.0.0.1 | QUERY | 127.0.0.1 | 666 | {'consistency_level': 'ONE', 'page_size': '5000', 'query': 'SELECT * FROM test.test2 WHERE id=? LIMIT 1', 'serial_consistency_level': 'SERIAL'} | Execute CQL3 prepared query | 2016-03-24 13:38:00.000000+0000 > a0019de0-f1c5-11e5-b14a-6fe1292cf9f1 | 127.0.0.1 | QUERY | 127.0.0.1 | 109 | {'query': 'SELECT * FROM test.test2 WHERE id=? LIMIT 1'} | Preparing CQL3 query | 2016-03-24 13:37:59.998000+0000 > a0014fc0-f1c5-11e5-b14a-6fe1292cf9f1 | 127.0.0.1 | QUERY | 127.0.0.1 | 126 | {'query': 'INSERT INTO test.test2(id,value) VALUES (?,?)'} | Preparing CQL3 query | 2016-03-24 13:37:59.996000+0000 > a0019de1-f1c5-11e5-b14a-6fe1292cf9f1 | 127.0.0.1 | QUERY | 127.0.0.1 | 764 | {'consistency_level': 'ONE', 'page_size': '5000', 'query': 'SELECT * FROM test.test2 WHERE id=? LIMIT 1', 'serial_consistency_level': 'SERIAL'} | Execute CQL3 prepared query | 2016-03-24 13:37:59.998000+0000 > a00176d0-f1c5-11e5-b14a-6fe1292cf9f1 | 127.0.0.1 | QUERY | 127.0.0.1 | 857 | {'consistency_level': 'QUORUM', 'page_size': '5000', 'query': 'INSERT INTO test.test2(id,value) VALUES (?,?)', 'serial_consistency_level': 'SERIAL'} | Execute CQL3 prepared query | 2016-03-24 13:37:59.997000+0000 > {noformat} > Now, "Execute CQL3 prepared query" session displays its query. > I believe that this additional information would help operators a lot. -- This message was sent by Atlassian JIRA (v6.3.4#6332)