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CompactionManager: Fix JSON conversion in getCompactions()

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This makes 'nodetool compactionstats' work:

  [penberg@nero cassandra]$ ./bin/nodetool compactionstats
  pending tasks: 0
     compaction type    keyspace       table   completed    total   unit   progress
          compaction   keyspace1   standard1      170719   500096   keys     34.14%
          compaction   keyspace1   standard1      174781   441600   keys     39.58%
  Active compaction remaining time :   0h00m00s

Fixes scylladb/scylla#745.
This commit is contained in:
Pekka Enberg 2016-01-05 15:06:37 +02:00
parent 10caab8590
commit d0757c4505
1 changed files with 20 additions and 2 deletions
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22
src/main/java/org/apache/cassandra/db/compaction/CompactionManager.java
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@ -18,8 +18,13 @@
package org.apache.cassandra.db.compaction;
import java.lang.management.ManagementFactory;
import java.util.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.json.JsonArray;
import javax.json.JsonObject;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.openmbean.OpenDataException;
@ -73,7 +78,20 @@ public class CompactionManager implements CompactionManagerMBean {
/** List of running compaction objects. */
public List<Map<String, String>> getCompactions() {
log(" getCompactions()");
return c.getListMapStrValue("compaction_manager/compactions");
List<Map<String, String>> results = new ArrayList<Map<String, String>>();
JsonArray compactions = c.getJsonArray("compaction_manager/compactions");
for (int i = 0; i < compactions.size(); i++) {
JsonObject compaction = compactions.getJsonObject(i);
Map<String, String> result = new HashMap<String, String>();
result.put("total", Long.toString(compaction.getJsonNumber("total").longValue()));
result.put("completed", Long.toString(compaction.getJsonNumber("completed").longValue()));
result.put("taskType", compaction.getString("task_type"));
result.put("keyspace", compaction.getString("ks"));
result.put("columnfamily", compaction.getString("cf"));
result.put("unit", compaction.getString("unit"));
results.add(result);
}
return results;
}
/** List of running compaction summary strings. */