xcangCRM commented on a change in pull request #387: HBASE-22642 Make move
operations of RSGroup idempotent
URL: https://github.com/apache/hbase/pull/387#discussion_r304183153
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File path:
hbase-rsgroup/src/test/java/org/apache/hadoop/hbase/rsgroup/TestRSGroupsAdmin2.java
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@@ -652,24 +614,156 @@ public boolean evaluate() throws Exception {
RSGroupInfo newGroup) throws IOException{
// get target server to move, which should has more than one regions
// randomly set a region state to SPLITTING to make move fail
- Map<ServerName, List<String>> assignMap =
getTableServerRegionMap().get(tableName);
- String rregion = null;
- ServerName toMoveServer = null;
+ return randomlySetRegionState(newGroup,
RegionState.State.SPLITTING,tableName);
+ }
+
+ private Pair<ServerName, RegionStateNode> randomlySetRegionState(RSGroupInfo
groupInfo,
+ RegionState.State state, TableName... tableNames) throws IOException {
+ Preconditions.checkArgument(tableNames.length == 1 || tableNames.length ==
2,
+ "only support one or two tables");
+ Map<ServerName, List<String>> assignMap =
getTableServerRegionMap().get(tableNames[0]);
+ if(tableNames.length == 2) {
+ Map<ServerName, List<String>> assignMap2 =
getTableServerRegionMap().get(tableNames[1]);
+ assignMap2.forEach((k ,v) -> {
+ if(!assignMap.containsKey(k)) {
+ assignMap.remove(k);
+ }
+ });
+ }
+ String toCorrectRegionName = null;
+ ServerName srcServer = null;
for (ServerName server : assignMap.keySet()) {
- rregion = assignMap.get(server).size() > 1 &&
- !newGroup.containsServer(server.getAddress()) ?
assignMap.get(server).get(0) : null;
- if (rregion != null) {
- toMoveServer = server;
+ toCorrectRegionName = assignMap.get(server).size() >= 1 &&
+ !groupInfo.containsServer(server.getAddress()) ?
assignMap.get(server).get(0) : null;
+ if (toCorrectRegionName != null) {
+ srcServer = server;
break;
}
}
- assert toMoveServer != null;
- RegionInfo ri =
TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager().
- getRegionInfo(Bytes.toBytesBinary(rregion));
+ assert srcServer != null;
+ RegionInfo toCorrectRegionInfo =
TEST_UTIL.getMiniHBaseCluster().getMaster()
+
.getAssignmentManager().getRegionInfo(Bytes.toBytesBinary(toCorrectRegionName));
RegionStateNode rsn =
TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager().getRegionStates()
- .getRegionStateNode(ri);
- rsn.setState(RegionState.State.SPLITTING);
- return new Pair<>(toMoveServer, rsn);
+ .getRegionStateNode(toCorrectRegionInfo);
+ rsn.setState(state);
+ return new Pair<>(srcServer, rsn);
+ }
+
+ @Test
+ public void testFailedMoveTablesAndRepair() throws Exception{
Review comment:
I see you added 3 tests here, can you put some comments about these?
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