Volta Monitor user manual
Contents
1. CounterMutationStage GossipStage MESSAGE BINARY COUNTER_MUTATION MUTATION PAGED_RANGE RANGE_SLICE LocalCluster datacenter1 2 1 0 The nodes section shows the following details e Node status and Apache Cassandra services status Thrift Server Native Transport Gossip Protocol e Heap memory usage e Threads status e Dropped messages Moreover you can use the toolbar to execute the following actions e c Cleanup o Clean up tables select a keyspace then select the tables to clean holding down the CTRL key and press Ok www satellitevolta com 11 SATELLITE VOLTA AIN qM Cleanup Node ApplicationsLOG ApplicationsLOGtest OpsCenter blog dbtactra h3g java_api system system_auth system_traces test testmanuale testmanualebis iwissandra Cancel o 1 Compaction o Tables compaction select a keyspace then select the tables to compact holding down the CTRL key and press Ok e V Flush o Tables flush select a keyspace then select the tables to flush holding down the CTRL key and press Ok e J Repair o Tables repair select a keyspace then select the tables to repair holding down the CTRL key and press Ok www satellitevolta com 12 www satellitevolta com SATELLITE VOLTA AIN ds Decommission o Node decommissioning you can decommission the current node You will be asked to confirm this action Drain o Node drain you can drain the curre2. Moreover a minimum screen resolution of 1280x1024 is required www satellitevolta com 3 SATELLITE VOLTA IN 5 How TO USE VOLTA MONITOR Volta Monitor is available www satellitevolta com both as a distribution package for Windows system in zip format and Linux system in tar gz format and as an installer for Debian and Ubuntu distributions in deb format and CentOS distributions in rpm format If you chose the distribution package to start using Volta Monitor follow these steps Decompress the Volta Monitor distribution package Launch Volta Monitor by double clicking on volta monitor x y z jar or from a shell command prompt execute Java Jar volta monitor x y z Jar where x y z is the Volta Monitor version you have just downloaded If you chose the installer package to install it run one of the following commands depending on your distribution On Debian Ubuntu sudo dpkg 1 volta monitor x y z k all deb On CentOS sudo rpm 1 volta monitor x y z k noarch rpm where x y z k is the Volta Monitor version you have just downloaded Once the installation ended you can start Volta Monitor by running the following command volta monitor At first launch Volta Monitor creates the folder vo ta monitor in the user account folder in that folder the application will save connections data logs preferences etc www satellitevolta com SATELLITE VOLTA AIN The next pages Introduce the Volt
3. SATELLITE VOLTA AIN Volta Monitor user manual www satellitevolta com VOLTA IN SATELLITE SOMMARIO Ll VOLTA MONITOR 3 Z2 SYSTEM REQUIREMENTS touren ir 3 5 TOW TO USE VOLTA MONITOR snai 4 ZEE NEU assiale poianone 5 4 1 CONNECTIONS TO APACHE CASSANDRA 5 4 2 SETUP NEW CONNECTION cece eee ee ee eee ees 5 7 53 CONNECTIONS EDITOR 2icbdccaGncwceindetveaeue aliena 7 HU sail RALE 8 Hs LANGUAGE da pei ee 8 HOME SECTION vs asia E 8 NODES SECTION Y b UE CIE Ub OE o9 10 4 0 2 PERFORMANCE SECTION x i dci de ed o deci dor DEDEDE EN an 1H ts O42 KEYSPACES SECTION uidi A EE ode dod a Re De ce Pe a REOR des 15 Di VOLTA MONITOR LICENSE 16 www Satellitevolta com 2 SATELLITE VOLTA AIN Volta Monitor is a visual tool for monitoring an Apache Cassandra cluster inspecting each node and obtaining information about keyspaces and tables 1 VOLTA MONITOR For further information about Volta Monitor manual latest release etc and Satellite Volta project please visit www satellitevoltacom or send an email to Support satellitevolta com for technical support 2 SYSTEM REQUIREMENTS To use Volta Monitor a JRE Java Runtime Environment version 7 or greater www java com is required
4. a Monitor tool giving details about the main features available 4 USER MANUAL 4 1 CONNECTIONS TO APACHE CASSANDRA Launch Volta Monitor and after the splash screen you will see the list of connections to Apache Cassandra nodes db Volta Monitor CONNECTIONS TO APACHE CASSANDRA CONNECTION 35 CONNECTION 36 ConNECTION 357 Anonymous Anonymous 192 168 0 35 199 192 168 0 36 7199 192 168 0 37 199 Each connection shows some details as name of connection user name default keyspace if defined IP address and port If you click on a connection an Apache Cassandra node will be selected to be inspected by Volta Monitor 4 2 SETUP NEW CONNECTION Clicking on the button Setup a new connect you can create a new connection to an Apache Cassandra node www satellitevolta com 5 SATELLITE VOLTA AIN di Volta Monitor Uu L d P I l SETUP NEW CONNECTION Connection Name Securit El Credentials required Username E Password a Cancel Fill in the form and then click on e Jest Connects to the node to check the configuration e Save Saves connection for later use SATELLITE VOLTA AIN Cancels the action e Cancel 4 5 CONNECTIONS EDITOR Clicking the Edit Connections button you can configure connections to Apache Cassandra nodes di Volta Monitor CONNECTIONS EDITOR Connection a 35 Connection 36 El Credentials required username New De
5. che cassandra db compaction Size TieredCompaction Strategy paxos peer_events peers range_xfers schema_columnfamilies COMPRESSION PARAMETER Valore sstable_compression org apache cassandra io compress LZ4Compressor Parametro schema_columns schema keyspaces schema_triggers schema_usertypes sstable_activity system_auth system_traces test 15 SATELLITE VOLTA IN The Keyspaces section shows the following details about keyspaces in the Apache Cassandra cluster e List of keyspaces o Name of keyspace o Effective Ownership distribution of the keyspace data on the cluster nodes o Ring Description description of the cluster ring keys e For each table in a keyspace the following information are shown o Name of table o Name of keyspace o Compaction strategy class name of the Compaction Strategy implementation o Compression Parameters compression parameters values 5 VOLTA MONITOR LICENSE Volta Monitor Copyright 2014 2015 Sogetel S r l All rights reserved Volta Monitor is available for free under the terms of the license Satellite Volta Software License Version 1 0 September 2014 For more details visit the website www satellitevolta com Volta Monitor includes software distributed under the following licenses apache cassandra 2 0 Jar Copyright 2012 2015 DataStax Licensed under the Apache License Version 2 0 the License guava 16 0 1 Jar www sat
6. ellitevolta com 16 SATELLITE VOLTA IN Copyright 2015 The Guava Authors Licensed under the Apache License Version 2 0 the License jcommon 1 0 23 Jar Copyright 2001 2015 JFree org All rights reserved Licensed under the GNU General Public License Version 3 jfreechart 1 0 19 jar Copyright 2001 2015 JFree org All rights reserved Licensed under the GNU General Public License Version 3 json simple 1 1 1 jar Copyright 2012 All Rights Reserved Licensed under the Apache License Version 2 0 the License log4j api 2 0 2 Jar Copyright 1999 2015 Apache Software Foundation Licensed under the Apache License Version 2 0 the License log4j core 2 0 2 Jar Copyright 1999 2015 Apache Software Foundation Licensed under the Apache License Version 2 0 the License metrics core 3 0 2 Jar Copyright 2010 2015 Coda Hale Yammer com Licensed under the Apache License Version 2 0 the License netty 3 9 0 Final jar www satellitevolta com SATELLITE VOLTA IN Copyright 2015 The Netty project Licensed under the Apache License Version 2 0 the License slfAj api 1 7 5 Jar Copyright 2004 2015 QOS ch All rights reserved Permission is hereby granted free of charge to any person obtaining a copy of this software and associated documentation files the Software to deal in the Software without restriction including without limitation the rights to use co
7. ing buttons e Connections Editor o Opens the Connection Editor e ll Performance o Shows the performance panel with details about cluster nodes and keyspaces Keyspace o Shows details about keyspaces and tables e Some other buttons for node management will be described below Refresh o Refreshes all the information in the section home www satellitevolta com 9 SATELLITE VOLTA IN On the left you can a tree of Apache Cassandra nodes For each node you can find the following information e Datacenter e Hostname e Size of data e Status UP DOWN JOINING LEAVING MOVING And below the tree you can read e Thename of the cluster e hename of the datacenter The version of Apache Cassandra On the rightmost area you can see a bar graph with nodes and their size in MB Clicking on a tree node a lot of information about that node are shown on the right At any time you can go back to the previous bar graph clicking on the name of the cluster in the tree root 4 6 1 NODES SECTION Clicking on a tree node in the Home Section a lot of information about that node are shown on the right www satellitevolta com 10 SATELLITE VOLTA AIN r Volta Monitor B datacenter1 192 168 0 35 H 3 92 GB UP 192 168 0 36 192 168 0 39 CATEGORY COMPLETED CURRENTLY BLOCKED PENDING TOTALLY BLOCKED AntiEntropyStage CacheCleanupExecutor CommitLogArchiver CompactionExecutor
8. lete es Save Cancel The leftmost list shows the available connections Clicking on one of them you can change the parameters node IP type of access username password default keyspace and execute the following actions fest Connects to the node to check the configuration www satellitevolta com T SATELLITE VOLTA IN Saves connection for later use e Save e Cancel Cancels the action Moreover you can also execute the following actions e New Creates a new connection filling in the form on the right e Delete Deletes the connection to the Apache Cassandra node selected 4 4 HELP The Help button P shows a menu with two items Volta Monitor License with information about the terms of use and About Volta Monitor with details on Current version The Help button is also available in the home section after establishing the connection with a node 4 5 LANGUAGE Using the Language button Ery you can select the favorite language The Language button is also available in the home section after establishing the connection with a node 4 6 HOME SECTION In the first panel Connections to Apache Cassandra you can click on a connection to start Inspecting an Apache Cassandra node www satellitevolta com 8 SATELLITE VOLTA AIN LOCALCLUSTER The home section shows information about the cluster and its topology In the toolbar you can find among others the follow
9. nt node You will be asked to confirm this action 13 SATELLITE VOLTA AIN 4 6 2 PERFORMANCE SECTION Clicking on the Performance button lla of the toolbar you can see a panel with information about the cluster performance di Performance PENDING TASKS 192 168 0 39 WRITE LATENCY READ LATENCY WRITE COUNT READ COUNT The Performance section shows the following details about performance of the Apache Cassandra cluster e Number of pending tasks e Write latency e Read latency e Write operations counter e Read operations counter www satellitevolta com 14 SATELLITE VOLTA AIN You can have access to this information about the whole cluster a node or a keyspace 4 6 3 KEYSPACES SECTION Clicking on the Keyspace button of the toolbar you can see a panel with information about the keyspaces saved in the cluster cluster Keyspace Indexinfo batchlog compaction_history EFFECTIVE OWNERSHIP compactions_in_progress p Nodo Ownership hints pc musumeci sogetel local local 192 168 0 39 paxos fernando sogetel local peer events peers range xfers schema_columnfamilies schema_columns schema_keyspaces Start Token End Token Endpoint schema_triggers N A RING DESCRIPTION 1 schema_usertypes sstable_activity system_auth system_traces test compaction_history compactions in progress COMPACTION STRATEGY AUTO COMPACTION hints local org apa
10. py modify merge publish distribute sublicense and or sell copies of the Software and to permit persons to whom the Software is furnished to do so subject to the following conditions The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software The software is provided as is without warranty of any kind Express or implied including but not limited to the warranties of Merchantability fitness for a particular purpose and Noninfringement In no event shall the authors or copyright holders be Liable for any claim damages or other liability whether in an action Of contract tort or otherwise arising from out of or in connection With the software or the use or other dealings in the software snakeyaml 1 11 Jar Copyright 2008 2015 http www snakeyaml org Licensed under the Apache License Version 2 0 the License www satellitevolta com
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