protected static List<HRegionInfo> getRegionInfoList(ServerName serverName, String tableName)
throws IOException {
List<HRegionInfo> onlineRegions = new ArrayList<>();
for (HRegionInfo onlineRegion : CommandAdapter.getOnlineRegions(null, admin, serverName)) {
if (onlineRegion.getTableNameAsString().equals(tableName)) {
onlineRegions.add(onlineRegion);
}
}
return onlineRegions;
}
protected HServerLoad.RegionLoad getRegionLoad(HRegionInfo regionInfo, ServerName serverName)
throws IOException {
HServerLoad serverLoad = admin.getClusterStatus().getLoad(serverName);
Map<byte[], HServerLoad.RegionLoad> regionsLoad = serverLoad.getRegionsLoad();
for (Map.Entry<byte[], HServerLoad.RegionLoad> entry : regionsLoad.entrySet()) {
if (Arrays.equals(entry.getKey(), regionInfo.getRegionName())) {
return entry.getValue();
}
}
return null;
}
protected void waitForMoving(HRegionInfo hRegionInfo, ServerName serverName) throws Exception {
Map<byte[], HServerLoad.RegionLoad> regionsLoad = null;
for (int i = 0; i < MAX_WAIT_ITERATION; i++) {
HServerLoad load = admin.getClusterStatus().getLoad(serverName);
regionsLoad = load.getRegionsLoad();
for (byte[] regionName : regionsLoad.keySet()) {
if (Arrays.equals(regionName, hRegionInfo.getRegionName())) return;
}
admin.move(hRegionInfo.getEncodedNameAsBytes(), serverName.getServerName().getBytes());
Thread.sleep(WAIT_INTERVAL);
}
System.out.println("hRegionInfo = " + Bytes.toString(hRegionInfo.getRegionName()));
for (Map.Entry<byte[], HServerLoad.RegionLoad> entry : regionsLoad.entrySet()) {
System.out.println(
"regionsLoad = " + Bytes.toString(entry.getKey()) + " - " + entry.getValue());
}
Assert.fail(Util.getMethodName() + " failed");
}
protected void move(HRegionInfo regionInfo, ServerName serverName) throws Exception {
admin.move(regionInfo.getEncodedName().getBytes(), serverName.getServerName().getBytes());
waitForMoving(regionInfo, serverName);
}