Lists token subtranges of a given column family. The output of this command can be used as input for subrange repair.
For more information on subrange repair, check this link: http://www.datastax.com/dev/blog/advanced-repair-techniques
- Maven
Before using the tool, compile it using the following command:
mvn package
The project is configured by default to use Cassandra 1.2.16.
In order to compile for Cassandra 2.0.X, modify the <version> attribute on the "org.apache.cassandra" pom.xml dependency.
usage: java -jar list-subranges.jar <nodeIpAddress> <keySpace> <columnFamily>
Lists CF subranges for a particular node or token range.
The output of this command can be used as input for subrange repair.
-et,--end-token <arg> Calculate subranges of the range with this
end token.
-n,--num-partitions <arg> Number of partitions per subsplit. (default
32K)
-o,--omit-header Number of partitions per subsplit.
-pr,--partitioner-range Only consider the first range returned by the
partitioner.
-st,--start-token <arg> Calculate subranges of the range with this
start token.
java -jar target/cassandra-list-subtranges-0.0.2-SNAPSHOT.jar 55.233.44.168 myks mycf
Start Token End Token Estimated Size
------------------------------------------------------------------------------------------------
74436767763955288882613195375699296256 74439973730150275837031561482829976149 32768
74439973730150275837031561482829976149 74443147299065436464785732203520768529 32768
74443147299065436464785732203520768529 74446308864678424144281808412855325434 32768
74446308864678424144281808412855325434 74449503757202033309267324422423573442 32768
74449503757202033309267324422423573442 74452743303842114263527346967989205341 32768
74452743303842114263527346967989205341 74455939694977870753656687218158491917 32768
74455939694977870753656687218158491917 74459152093479228618429026679825938232 32768
74459152093479228618429026679825938232 74462336296486462312787078846957455213 32768
Use the output of the cassandra-list-subtranges as input for the repair command:
nodetool repair <ks> <cf> -st <startToken> -et <endToken>
nodetool repair myks mycf -st 154281943151324548043651808333706143715 -et 156541576535381173370881008574335517403