Hadoop?????????????ú????MRUnit
???????????? ???????[ 2013/12/11 10:55:14 ] ????????
???????MRUnit
????????????MRUnit????????????MultipleOutputs?????????????????????????????????????????????á?
??????????MultipleOutputs
????????????????????????MultipleOutputs???reduce???????????MRUnit????????????????MRUnit????????????Driver??ReduceMultipleOutputsDriver??MapReduceMultipleOutputDriver?????MultipleOutputs??
????ReduceMultipleOutputsDriver
????ReduceMultipleOutputsDriver??ReduceDriver??????汾??????????????е?Reduce?????MultipleOutputs???????????Reduce?????????????
???????ReduceMultipleOutputsDriver????????????????(?????巋??)??
|
private Reduce reducer;
@Before
public void setUp() {
reducer = new Reduce();
//???????ReduceDriver??????ReduceMultipleOutputsDriver
reduceDriver = new ReduceMultipleOutputsDriver<Text?? TimeInfo?? Text?? LongWritable>(reducer);
}
@Test
public void testReduce () {
List<TimeInfo> values = new ArrayList<TimeInfo>();
values.add(new TimeInfo(1?? 3));//???3С?
values.add(new TimeInfo(2?? 5));//???????5С?
values.add(new TimeInfo(3?? 7));//???????7С?
//values???444???????reduce????
//?????????????2С?
reduceDriver.withReducer(reducer)
.withInput(new Text("444")?? values)
//Note
//???????id(444)%8???????????
//???????"somePrefix"+444%8???collector???????????xxx
. withMutiOutput ("somePrefix"+444%8??new Text("444")??new LongWritable(2))
.runTest();
}
|
????MapReduceMultipleOutputDriver
??????ReduceMultipleOutputsDriver?????MapReduceMultipleOutputDriver????????????MultipleOutputs??Map-Reduce????????MapReduceDriver????е???????????
???????????????????????漰???????????????????SPASVOС??(021-61079698-8054)?????????????????????????
??????
iOS???????mocha??chai??sinon??istanbul???????????????????????????????????????д?????Java????????7??????Android?????????Robolectric3.0????(?)???Kiwi?????????????????????????????????Python?????????????????????????????????????Controller????????д?????????10???????????????????Angular????????????Component??Directive??Pipe ???ServiceAndroid????????????????????????????????--Mockito??????iOS UnitTest???????Vue?????????????????
???·???
App??С????H5?????????????????Щ??
2024/9/11 15:34:34?????????????????????????
2024/9/10 11:13:49P-One ???????????????????????????????????????
2024/9/10 10:14:12???????????????????????????
2024/9/9 18:04:26??????????????????
2023/3/23 14:23:39???д?ò??????????
2023/3/22 16:17:39????????????????????Щ??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44
sales@spasvo.com