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ColumnFamilyStore: getSSTableCountPerLevel should return null not empty array

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When getSSTableCountPerLevel is called and the system is not using level
compaction the expected return is null and not an empty array.

This fix (scylla-jmx)
Fixes #11

Signed-off-by: Amnon Heiman <amnon@scylladb.com>
This commit is contained in:
Amnon Heiman 2015-12-03 12:15:15 +02:00 committed by Pekka Enberg
parent e194ca85a4
commit 3a69e3d9da
1 changed files with 7 additions and 1 deletions
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8
src/main/java/org/apache/cassandra/db/ColumnFamilyStore.java
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@ -670,8 +670,14 @@ public class ColumnFamilyStore implements ColumnFamilyStoreMBean {
*/
public int[] getSSTableCountPerLevel() {
log(" getSSTableCountPerLevel()");
return c.getIntArrValue(
int[] res = c.getIntArrValue(
"column_family/sstables/per_level/" + getCFName());
if (res.length == 0) {
// no sstable count
// should return null
return null;
}
return res;
}
/**