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Posted to commits@kylin.apache.org by bi...@apache.org on 2017/02/04 04:43:58 UTC
[29/47] kylin git commit: KYLIN-2217 use column’s identity as path name and add more logging info
KYLIN-2217 use column\u2019s identity as path name and add more logging info
Project: http://git-wip-us.apache.org/repos/asf/kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/e217ae84
Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/e217ae84
Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/e217ae84
Branch: refs/heads/KYLIN-2361
Commit: e217ae84e1bd163658176093de208fcdf3bdf43c
Parents: f6dda4f
Author: shaofengshi <sh...@apache.org>
Authored: Sun Jan 22 09:43:10 2017 +0800
Committer: shaofengshi <sh...@apache.org>
Committed: Mon Jan 23 16:23:56 2017 +0800
----------------------------------------------------------------------
.../java/org/apache/kylin/common/util/HadoopUtil.java | 4 ++++
.../apache/kylin/cube/cli/DictionaryGeneratorCLI.java | 3 +++
.../org/apache/kylin/engine/mr/SortedColumnDFSFile.java | 4 ++++
.../apache/kylin/engine/mr/common/AbstractHadoopJob.java | 2 +-
.../kylin/engine/mr/steps/CreateDictionaryJob.java | 9 +++++++--
.../engine/mr/steps/FactDistinctColumnsReducer.java | 11 +++++++----
.../engine/mr/steps/UpdateCubeInfoAfterBuildStep.java | 4 ++--
.../hive/cardinality/HiveColumnCardinalityJob.java | 3 +++
8 files changed, 31 insertions(+), 9 deletions(-)
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http://git-wip-us.apache.org/repos/asf/kylin/blob/e217ae84/core-common/src/main/java/org/apache/kylin/common/util/HadoopUtil.java
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diff --git a/core-common/src/main/java/org/apache/kylin/common/util/HadoopUtil.java b/core-common/src/main/java/org/apache/kylin/common/util/HadoopUtil.java
index b9ffe38..f242515 100644
--- a/core-common/src/main/java/org/apache/kylin/common/util/HadoopUtil.java
+++ b/core-common/src/main/java/org/apache/kylin/common/util/HadoopUtil.java
@@ -143,6 +143,10 @@ public class HadoopUtil {
}
public static Path getFilterOnlyPath(FileSystem fs, Path baseDir, final String filter) throws IOException {
+ if (fs.exists(baseDir) == false) {
+ return null;
+ }
+
FileStatus[] fileStatus = fs.listStatus(baseDir, new PathFilter() {
@Override
public boolean accept(Path path) {
http://git-wip-us.apache.org/repos/asf/kylin/blob/e217ae84/core-cube/src/main/java/org/apache/kylin/cube/cli/DictionaryGeneratorCLI.java
----------------------------------------------------------------------
diff --git a/core-cube/src/main/java/org/apache/kylin/cube/cli/DictionaryGeneratorCLI.java b/core-cube/src/main/java/org/apache/kylin/cube/cli/DictionaryGeneratorCLI.java
index 3e1ab0d..2e5a38e 100644
--- a/core-cube/src/main/java/org/apache/kylin/cube/cli/DictionaryGeneratorCLI.java
+++ b/core-cube/src/main/java/org/apache/kylin/cube/cli/DictionaryGeneratorCLI.java
@@ -63,11 +63,14 @@ public class DictionaryGeneratorCLI {
if (dictProvider != null) {
Dictionary<String> dict = dictProvider.getDictionary(col);
if (dict != null) {
+ logger.debug("Dict for '" + col.getName() + "' has already been built, save it");
cubeMgr.saveDictionary(cubeSeg, col, inpTable, dict);
} else {
+ logger.debug("Dict for '" + col.getName() + "' not pre-built, build it from " + inpTable.toString());
cubeMgr.buildDictionary(cubeSeg, col, inpTable);
}
} else {
+ logger.debug("Dict for '" + col.getName() + "' not pre-built, build it from " + inpTable.toString());
cubeMgr.buildDictionary(cubeSeg, col, inpTable);
}
}
http://git-wip-us.apache.org/repos/asf/kylin/blob/e217ae84/engine-mr/src/main/java/org/apache/kylin/engine/mr/SortedColumnDFSFile.java
----------------------------------------------------------------------
diff --git a/engine-mr/src/main/java/org/apache/kylin/engine/mr/SortedColumnDFSFile.java b/engine-mr/src/main/java/org/apache/kylin/engine/mr/SortedColumnDFSFile.java
index d3f5cdc..f396b5a 100644
--- a/engine-mr/src/main/java/org/apache/kylin/engine/mr/SortedColumnDFSFile.java
+++ b/engine-mr/src/main/java/org/apache/kylin/engine/mr/SortedColumnDFSFile.java
@@ -128,4 +128,8 @@ public class SortedColumnDFSFile implements ReadableTable {
return comparator;
}
+ @Override
+ public String toString() {
+ return dfsPath;
+ }
}
http://git-wip-us.apache.org/repos/asf/kylin/blob/e217ae84/engine-mr/src/main/java/org/apache/kylin/engine/mr/common/AbstractHadoopJob.java
----------------------------------------------------------------------
diff --git a/engine-mr/src/main/java/org/apache/kylin/engine/mr/common/AbstractHadoopJob.java b/engine-mr/src/main/java/org/apache/kylin/engine/mr/common/AbstractHadoopJob.java
index 567c1d0..44686d6 100644
--- a/engine-mr/src/main/java/org/apache/kylin/engine/mr/common/AbstractHadoopJob.java
+++ b/engine-mr/src/main/java/org/apache/kylin/engine/mr/common/AbstractHadoopJob.java
@@ -75,7 +75,7 @@ import org.slf4j.LoggerFactory;
@SuppressWarnings("static-access")
public abstract class AbstractHadoopJob extends Configured implements Tool {
- protected static final Logger logger = LoggerFactory.getLogger(AbstractHadoopJob.class);
+ private static final Logger logger = LoggerFactory.getLogger(AbstractHadoopJob.class);
protected static final Option OPTION_JOB_NAME = OptionBuilder.withArgName(BatchConstants.ARG_JOB_NAME).hasArg().isRequired(true).withDescription("Job name. For example, Kylin_Cuboid_Builder-clsfd_v2_Step_22-D)").create(BatchConstants.ARG_JOB_NAME);
protected static final Option OPTION_CUBE_NAME = OptionBuilder.withArgName(BatchConstants.ARG_CUBE_NAME).hasArg().isRequired(true).withDescription("Cube name. For exmaple, flat_item_cube").create(BatchConstants.ARG_CUBE_NAME);
http://git-wip-us.apache.org/repos/asf/kylin/blob/e217ae84/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/CreateDictionaryJob.java
----------------------------------------------------------------------
diff --git a/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/CreateDictionaryJob.java b/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/CreateDictionaryJob.java
index e5d053b..be8c305 100644
--- a/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/CreateDictionaryJob.java
+++ b/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/CreateDictionaryJob.java
@@ -42,9 +42,13 @@ import org.apache.kylin.engine.mr.SortedColumnDFSFile;
import org.apache.kylin.engine.mr.common.AbstractHadoopJob;
import org.apache.kylin.metadata.model.TblColRef;
import org.apache.kylin.source.ReadableTable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
public class CreateDictionaryJob extends AbstractHadoopJob {
+ private static final Logger logger = LoggerFactory.getLogger(CreateDictionaryJob.class);
+
@Override
public int run(String[] args) throws Exception {
Options options = new Options();
@@ -68,11 +72,12 @@ public class CreateDictionaryJob extends AbstractHadoopJob {
@Override
public Dictionary<String> getDictionary(TblColRef col) throws IOException {
- Path colDir = new Path(factColumnsInputPath, col.getName());
- FileSystem fs = HadoopUtil.getFileSystem(colDir.toString());
+ Path colDir = new Path(factColumnsInputPath, col.getIdentity());
+ FileSystem fs = HadoopUtil.getWorkingFileSystem();
Path dictFile = HadoopUtil.getFilterOnlyPath(fs, colDir, col.getName() + FactDistinctColumnsReducer.DICT_FILE_POSTFIX);
if (dictFile == null) {
+ logger.info("Dict for '" + col.getName() + "' not pre-built.");
return null;
}
http://git-wip-us.apache.org/repos/asf/kylin/blob/e217ae84/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/FactDistinctColumnsReducer.java
----------------------------------------------------------------------
diff --git a/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/FactDistinctColumnsReducer.java b/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/FactDistinctColumnsReducer.java
index 5d2fb72..8c56bdf 100644
--- a/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/FactDistinctColumnsReducer.java
+++ b/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/FactDistinctColumnsReducer.java
@@ -26,6 +26,7 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import com.google.common.base.Preconditions;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.BytesWritable;
@@ -124,12 +125,14 @@ public class FactDistinctColumnsReducer extends KylinReducer<SelfDefineSortableK
// normal col
col = columnList.get(reducerIdToColumnIndex.get(taskId));
+ Preconditions.checkNotNull(col);
+
// local build dict
isReducerLocalBuildDict = config.isReducerLocalBuildDict();
if (cubeDesc.getDictionaryBuilderClass(col) != null) { // only works with default dictionary builder
isReducerLocalBuildDict = false;
}
- if (col != null && isReducerLocalBuildDict) {
+ if (isReducerLocalBuildDict) {
builder = DictionaryGenerator.newDictionaryBuilder(col.getType());
builder.init(null, 0);
}
@@ -190,7 +193,7 @@ public class FactDistinctColumnsReducer extends KylinReducer<SelfDefineSortableK
} else {
byte[] keyBytes = Bytes.copy(key.getBytes(), 1, key.getLength() - 1);
// output written to baseDir/colName/-r-00000 (etc)
- String fileName = col.getName() + "/";
+ String fileName = col.getIdentity() + "/";
mos.write(BatchConstants.CFG_OUTPUT_COLUMN, NullWritable.get(), new Text(keyBytes), fileName);
}
}
@@ -231,7 +234,7 @@ public class FactDistinctColumnsReducer extends KylinReducer<SelfDefineSortableK
private void outputPartitionInfo() throws IOException, InterruptedException {
if (col != null) {
// output written to baseDir/colName/colName.pci-r-00000 (etc)
- String partitionFileName = col.getName() + "/" + col.getName() + PARTITION_COL_INFO_FILE_POSTFIX;
+ String partitionFileName = col.getIdentity() + "/" + col.getName() + PARTITION_COL_INFO_FILE_POSTFIX;
mos.write(BatchConstants.CFG_OUTPUT_PARTITION, NullWritable.get(), new LongWritable(timeMinValue), partitionFileName);
mos.write(BatchConstants.CFG_OUTPUT_PARTITION, NullWritable.get(), new LongWritable(timeMaxValue), partitionFileName);
@@ -241,7 +244,7 @@ public class FactDistinctColumnsReducer extends KylinReducer<SelfDefineSortableK
private void outputDict(TblColRef col, Dictionary<String> dict) throws IOException, InterruptedException {
// output written to baseDir/colName/colName.rldict-r-00000 (etc)
- String dictFileName = col.getName() + "/" + col.getName() + DICT_FILE_POSTFIX;
+ String dictFileName = col.getIdentity() + "/" + col.getName() + DICT_FILE_POSTFIX;
try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); DataOutputStream outputStream = new DataOutputStream(baos);) {
outputStream.writeUTF(dict.getClass().getName());
http://git-wip-us.apache.org/repos/asf/kylin/blob/e217ae84/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/UpdateCubeInfoAfterBuildStep.java
----------------------------------------------------------------------
diff --git a/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/UpdateCubeInfoAfterBuildStep.java b/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/UpdateCubeInfoAfterBuildStep.java
index 81d5c42..79fe657 100644
--- a/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/UpdateCubeInfoAfterBuildStep.java
+++ b/engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/UpdateCubeInfoAfterBuildStep.java
@@ -80,8 +80,8 @@ public class UpdateCubeInfoAfterBuildStep extends AbstractExecutable {
private void updateTimeRange(CubeSegment segment) throws IOException {
final TblColRef partitionCol = segment.getCubeDesc().getModel().getPartitionDesc().getPartitionDateColumnRef();
final String factColumnsInputPath = this.getParams().get(BatchConstants.CFG_OUTPUT_PATH);
- Path colDir = new Path(factColumnsInputPath, partitionCol.getName());
- FileSystem fs = HadoopUtil.getFileSystem(colDir.toString());
+ Path colDir = new Path(factColumnsInputPath, partitionCol.getIdentity());
+ FileSystem fs = HadoopUtil.getWorkingFileSystem();
Path outputFile = HadoopUtil.getFilterOnlyPath(fs, colDir, partitionCol.getName() + FactDistinctColumnsReducer.PARTITION_COL_INFO_FILE_POSTFIX);
if (outputFile == null) {
throw new IOException("fail to find the partition file in base dir: " + colDir);
http://git-wip-us.apache.org/repos/asf/kylin/blob/e217ae84/source-hive/src/main/java/org/apache/kylin/source/hive/cardinality/HiveColumnCardinalityJob.java
----------------------------------------------------------------------
diff --git a/source-hive/src/main/java/org/apache/kylin/source/hive/cardinality/HiveColumnCardinalityJob.java b/source-hive/src/main/java/org/apache/kylin/source/hive/cardinality/HiveColumnCardinalityJob.java
index ea72b54..f439ccb 100644
--- a/source-hive/src/main/java/org/apache/kylin/source/hive/cardinality/HiveColumnCardinalityJob.java
+++ b/source-hive/src/main/java/org/apache/kylin/source/hive/cardinality/HiveColumnCardinalityJob.java
@@ -37,6 +37,8 @@ import org.apache.kylin.engine.mr.common.BatchConstants;
import org.apache.kylin.job.engine.JobEngineConfig;
import org.apache.kylin.metadata.MetadataManager;
import org.apache.kylin.metadata.model.TableDesc;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* This hadoop job will scan all rows of the hive table and then calculate the cardinality on each column.
@@ -44,6 +46,7 @@ import org.apache.kylin.metadata.model.TableDesc;
*
*/
public class HiveColumnCardinalityJob extends AbstractHadoopJob {
+ private static final Logger logger = LoggerFactory.getLogger(HiveColumnCardinalityJob.class);
public static final String JOB_TITLE = "Kylin Hive Column Cardinality Job";
@SuppressWarnings("static-access")