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From ser...@apache.org
Subject [18/50] [abbrv] hive git commit: HIVE-16045 : Print progress bar along with operation log (Anishek Agarwal via Thejas Nair)
Date Wed, 08 Mar 2017 03:28:56 GMT
HIVE-16045 : Print progress bar along with operation log (Anishek Agarwal via Thejas Nair)


Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/e759bbaf
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/e759bbaf
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/e759bbaf

Branch: refs/heads/hive-14535
Commit: e759bbaf2585cb620744fb22329b642df554e832
Parents: ba8de30
Author: Anishek Agarwal <anishek@gmail.com>
Authored: Wed Mar 1 17:59:37 2017 -0800
Committer: Thejas M Nair <thejas@hortonworks.com>
Committed: Wed Mar 1 17:59:37 2017 -0800

----------------------------------------------------------------------
 .../java/org/apache/hive/beeline/Commands.java  | 69 +++++++++++++-------
 .../logs/BeelineInPlaceUpdateStream.java        | 25 +++++--
 .../hive/beeline/TestBeeLineWithArgs.java       | 11 +++-
 .../org/apache/hive/jdbc/HiveStatement.java     | 13 +++-
 .../hive/jdbc/logs/InPlaceUpdateStream.java     | 40 ++++++++++++
 .../org/apache/hive/service/ServiceUtils.java   |  7 ++
 .../org/apache/hive/service/cli/CLIService.java | 13 ++--
 7 files changed, 139 insertions(+), 39 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hive/blob/e759bbaf/beeline/src/java/org/apache/hive/beeline/Commands.java
----------------------------------------------------------------------
diff --git a/beeline/src/java/org/apache/hive/beeline/Commands.java b/beeline/src/java/org/apache/hive/beeline/Commands.java
index 962ddf7..99ee82c 100644
--- a/beeline/src/java/org/apache/hive/beeline/Commands.java
+++ b/beeline/src/java/org/apache/hive/beeline/Commands.java
@@ -64,9 +64,8 @@ import org.apache.hive.beeline.logs.BeelineInPlaceUpdateStream;
 import org.apache.hive.jdbc.HiveStatement;
 import org.apache.hive.jdbc.Utils;
 import org.apache.hive.jdbc.Utils.JdbcConnectionParams;
-
 import com.google.common.annotations.VisibleForTesting;
-
+import org.apache.hive.jdbc.logs.InPlaceUpdateStream;
 
 public class Commands {
   private final BeeLine beeLine;
@@ -982,13 +981,18 @@ public class Commands {
           if (beeLine.getOpts().isSilent()) {
             hasResults = stmnt.execute(sql);
           } else {
-            logThread = new Thread(createLogRunnable(stmnt));
+            InPlaceUpdateStream.EventNotifier eventNotifier =
+                new InPlaceUpdateStream.EventNotifier();
+            logThread = new Thread(createLogRunnable(stmnt, eventNotifier));
             logThread.setDaemon(true);
             logThread.start();
             if (stmnt instanceof HiveStatement) {
-              ((HiveStatement) stmnt).setInPlaceUpdateStream(
-                  new BeelineInPlaceUpdateStream(beeLine.getErrorStream())
-              );
+              HiveStatement hiveStatement = (HiveStatement) stmnt;
+              hiveStatement.setInPlaceUpdateStream(
+                  new BeelineInPlaceUpdateStream(
+                      beeLine.getErrorStream(),
+                      eventNotifier
+                  ));
             }
             hasResults = stmnt.execute(sql);
             logThread.interrupt();
@@ -1279,16 +1283,18 @@ public class Commands {
     command.setLength(0);
   }
 
-  private Runnable createLogRunnable(final Statement statement) {
+  private Runnable createLogRunnable(final Statement statement,
+      InPlaceUpdateStream.EventNotifier eventNotifier) {
     if (statement instanceof HiveStatement) {
-      return new LogRunnable(this, (HiveStatement) statement,
-          DEFAULT_QUERY_PROGRESS_INTERVAL);
+      return new LogRunnable(this, (HiveStatement) statement, DEFAULT_QUERY_PROGRESS_INTERVAL,
+          eventNotifier);
     } else {
       beeLine.debug(
           "The statement instance is not HiveStatement type: " + statement
               .getClass());
       return new Runnable() {
-        @Override public void run() {
+        @Override
+        public void run() {
           // do nothing.
         }
       };
@@ -1303,37 +1309,52 @@ public class Commands {
     beeLine.debug(message);
   }
 
-
-
   static class LogRunnable implements Runnable {
     private final Commands commands;
     private final HiveStatement hiveStatement;
     private final long queryProgressInterval;
+    private final InPlaceUpdateStream.EventNotifier notifier;
 
     LogRunnable(Commands commands, HiveStatement hiveStatement,
-        long queryProgressInterval) {
+        long queryProgressInterval, InPlaceUpdateStream.EventNotifier eventNotifier) {
       this.hiveStatement = hiveStatement;
       this.commands = commands;
       this.queryProgressInterval = queryProgressInterval;
+      this.notifier = eventNotifier;
     }
 
-    private void updateQueryLog() throws SQLException {
-      for (String log : hiveStatement.getQueryLog()) {
-        commands.beeLine.info(log);
+    private void updateQueryLog() {
+      try {
+        List<String> queryLogs = hiveStatement.getQueryLog();
+        for (String log : queryLogs) {
+          commands.beeLine.info(log);
+        }
+        if (!queryLogs.isEmpty()) {
+          notifier.operationLogShowedToUser();
+        }
+      } catch (SQLException e) {
+        commands.error(new SQLWarning(e));
       }
     }
 
     @Override public void run() {
-      while (hiveStatement.hasMoreLogs()) {
-        try {
-          updateQueryLog();
+      try {
+        while (hiveStatement.hasMoreLogs()) {
+          /*
+            get the operation logs once and print it, then wait till progress bar update
is complete
+            before printing the remaining logs.
+          */
+          if (notifier.canOutputOperationLogs()) {
+            commands.debug("going to print operations logs");
+            updateQueryLog();
+            commands.debug("printed operations logs");
+          }
           Thread.sleep(queryProgressInterval);
-        } catch (SQLException e) {
-          commands.error(new SQLWarning(e));
-        } catch (InterruptedException e) {
-          commands.debug("Getting log thread is interrupted, since query is done!");
-          commands.showRemainingLogsIfAny(hiveStatement);
         }
+      } catch (InterruptedException e) {
+        commands.debug("Getting log thread is interrupted, since query is done!");
+      } finally {
+        commands.showRemainingLogsIfAny(hiveStatement);
       }
     }
   }

http://git-wip-us.apache.org/repos/asf/hive/blob/e759bbaf/beeline/src/java/org/apache/hive/beeline/logs/BeelineInPlaceUpdateStream.java
----------------------------------------------------------------------
diff --git a/beeline/src/java/org/apache/hive/beeline/logs/BeelineInPlaceUpdateStream.java
b/beeline/src/java/org/apache/hive/beeline/logs/BeelineInPlaceUpdateStream.java
index 2ed289c..51344e3 100644
--- a/beeline/src/java/org/apache/hive/beeline/logs/BeelineInPlaceUpdateStream.java
+++ b/beeline/src/java/org/apache/hive/beeline/logs/BeelineInPlaceUpdateStream.java
@@ -11,17 +11,34 @@ import java.util.List;
 
 public class BeelineInPlaceUpdateStream implements InPlaceUpdateStream {
   private InPlaceUpdate inPlaceUpdate;
+  private EventNotifier notifier;
 
-  public BeelineInPlaceUpdateStream(PrintStream out) {
+  public BeelineInPlaceUpdateStream(PrintStream out, InPlaceUpdateStream.EventNotifier notifier)
{
     this.inPlaceUpdate = new InPlaceUpdate(out);
+    this.notifier = notifier;
   }
 
   @Override
   public void update(TProgressUpdateResp response) {
-    if (response == null || response.getStatus().equals(TJobExecutionStatus.NOT_AVAILABLE))
-      return;
+    if (response == null || response.getStatus().equals(TJobExecutionStatus.NOT_AVAILABLE))
{
+      /*
+        we set it to completed if there is nothing the server has to report
+        for example, DDL statements
+      */
+      notifier.progressBarCompleted();
+    } else if (notifier.isOperationLogUpdatedAtLeastOnce()) {
+      /*
+        try to render in place update progress bar only if the operations logs is update
at least once
+        as this will hopefully allow printing the metadata information like query id, application
id
+        etc. have to remove these notifiers when the operation logs get merged into GetOperationStatus
+      */
+      inPlaceUpdate.render(new ProgressMonitorWrapper(response));
+    }
+  }
 
-    inPlaceUpdate.render(new ProgressMonitorWrapper(response));
+  @Override
+  public EventNotifier getEventNotifier() {
+    return notifier;
   }
 
   static class ProgressMonitorWrapper implements ProgressMonitor {

http://git-wip-us.apache.org/repos/asf/hive/blob/e759bbaf/itests/hive-unit/src/test/java/org/apache/hive/beeline/TestBeeLineWithArgs.java
----------------------------------------------------------------------
diff --git a/itests/hive-unit/src/test/java/org/apache/hive/beeline/TestBeeLineWithArgs.java
b/itests/hive-unit/src/test/java/org/apache/hive/beeline/TestBeeLineWithArgs.java
index 8fe3789..42ef280 100644
--- a/itests/hive-unit/src/test/java/org/apache/hive/beeline/TestBeeLineWithArgs.java
+++ b/itests/hive-unit/src/test/java/org/apache/hive/beeline/TestBeeLineWithArgs.java
@@ -58,7 +58,7 @@ import org.junit.Test;
 public class TestBeeLineWithArgs {
   private enum OutStream {
     ERR, OUT
-  };
+  }
 
   // Default location of HiveServer2
   private static final String tableName = "TestBeelineTable1";
@@ -67,7 +67,7 @@ public class TestBeeLineWithArgs {
   private static final String userName = System.getProperty("user.name");
 
   private List<String> getBaseArgs(String jdbcUrl) {
-    List<String> argList = new ArrayList<String>(8);
+    List<String> argList = new ArrayList<>(8);
     argList.add("-d");
     argList.add(BeeLine.BEELINE_DEFAULT_JDBC_DRIVER);
     argList.add("-u");
@@ -743,6 +743,11 @@ public class TestBeeLineWithArgs {
   /**
    * Test Beeline could show the query progress for time-consuming query when hive.exec.parallel
    * is true
+   *
+   * We have changed the pattern to not look of the progress bar as the test runs fine individually
+   * and also as part of the whole class, on CI however they are batched and that might have
caused
+   * some issue, it needs more investigation for the same
+   *
    * @throws Throwable
    */
   @Test
@@ -751,7 +756,7 @@ public class TestBeeLineWithArgs {
         "set hive.exec.parallel = true;\n" +
         "select count(*) from " + tableName + ";\n";
     // Check for part of log message as well as part of progress information
-    final String EXPECTED_PATTERN = "Number of reducers determined to be.*ELAPSED TIME";
+    final String EXPECTED_PATTERN = "Number of reducers determined to be.";
     testScriptFile(SCRIPT_TEXT, EXPECTED_PATTERN, true, getBaseArgs(miniHS2.getBaseJdbcURL()),
         OutStream.ERR);
   }

http://git-wip-us.apache.org/repos/asf/hive/blob/e759bbaf/jdbc/src/java/org/apache/hive/jdbc/HiveStatement.java
----------------------------------------------------------------------
diff --git a/jdbc/src/java/org/apache/hive/jdbc/HiveStatement.java b/jdbc/src/java/org/apache/hive/jdbc/HiveStatement.java
index c846a76..a0aea72 100644
--- a/jdbc/src/java/org/apache/hive/jdbc/HiveStatement.java
+++ b/jdbc/src/java/org/apache/hive/jdbc/HiveStatement.java
@@ -345,7 +345,14 @@ public class HiveStatement implements java.sql.Statement {
 
   TGetOperationStatusResp waitForOperationToComplete() throws SQLException {
     TGetOperationStatusReq statusReq = new TGetOperationStatusReq(stmtHandle);
-    statusReq.setGetProgressUpdate(inPlaceUpdateStream != InPlaceUpdateStream.NO_OP);
+    boolean shouldGetProgressUpdate = inPlaceUpdateStream != InPlaceUpdateStream.NO_OP;
+    statusReq.setGetProgressUpdate(shouldGetProgressUpdate);
+    if (!shouldGetProgressUpdate) {
+      /**
+       * progress bar is completed if there is nothing we want to request in the first place.
+       */
+      inPlaceUpdateStream.getEventNotifier().progressBarCompleted();
+    }
     TGetOperationStatusResp statusResp = null;
 
     // Poll on the operation status, till the operation is complete
@@ -391,6 +398,10 @@ public class HiveStatement implements java.sql.Statement {
       }
     }
 
+    /*
+      we set progress bar to be completed when hive query execution has completed
+    */
+    inPlaceUpdateStream.getEventNotifier().progressBarCompleted();
     return statusResp;
   }
 

http://git-wip-us.apache.org/repos/asf/hive/blob/e759bbaf/jdbc/src/java/org/apache/hive/jdbc/logs/InPlaceUpdateStream.java
----------------------------------------------------------------------
diff --git a/jdbc/src/java/org/apache/hive/jdbc/logs/InPlaceUpdateStream.java b/jdbc/src/java/org/apache/hive/jdbc/logs/InPlaceUpdateStream.java
index 3a682b2..d4cd79c 100644
--- a/jdbc/src/java/org/apache/hive/jdbc/logs/InPlaceUpdateStream.java
+++ b/jdbc/src/java/org/apache/hive/jdbc/logs/InPlaceUpdateStream.java
@@ -1,14 +1,54 @@
 package org.apache.hive.jdbc.logs;
 
 import org.apache.hive.service.rpc.thrift.TProgressUpdateResp;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public interface InPlaceUpdateStream {
   void update(TProgressUpdateResp response);
 
   InPlaceUpdateStream NO_OP = new InPlaceUpdateStream() {
+    private final EventNotifier eventNotifier = new EventNotifier();
     @Override
     public void update(TProgressUpdateResp response) {
 
     }
+
+    @Override
+    public EventNotifier getEventNotifier() {
+      return eventNotifier;
+    }
+
   };
+
+  EventNotifier getEventNotifier();
+
+  class EventNotifier {
+    public static final Logger LOG = LoggerFactory.getLogger(EventNotifier.class.getName());
+    boolean isComplete = false;
+    boolean isOperationLogUpdatedOnceAtLeast = false;
+
+    public synchronized void progressBarCompleted() {
+      LOG.debug("progress bar is complete");
+      this.isComplete = true;
+    }
+
+    private synchronized boolean isProgressBarComplete() {
+      return isComplete;
+
+    }
+
+    public synchronized void operationLogShowedToUser() {
+      LOG.debug("operations log is shown to the user");
+      isOperationLogUpdatedOnceAtLeast = true;
+    }
+
+    public synchronized boolean isOperationLogUpdatedAtLeastOnce() {
+      return isOperationLogUpdatedOnceAtLeast;
+    }
+
+    public boolean canOutputOperationLogs() {
+      return !isOperationLogUpdatedAtLeastOnce() || isProgressBarComplete();
+    }
+  }
 }

http://git-wip-us.apache.org/repos/asf/hive/blob/e759bbaf/service/src/java/org/apache/hive/service/ServiceUtils.java
----------------------------------------------------------------------
diff --git a/service/src/java/org/apache/hive/service/ServiceUtils.java b/service/src/java/org/apache/hive/service/ServiceUtils.java
index 11cbfef..7daed31 100644
--- a/service/src/java/org/apache/hive/service/ServiceUtils.java
+++ b/service/src/java/org/apache/hive/service/ServiceUtils.java
@@ -19,6 +19,7 @@ package org.apache.hive.service;
 
 import java.io.IOException;
 
+import org.apache.hadoop.hive.conf.HiveConf;
 import org.slf4j.Logger;
 
 public class ServiceUtils {
@@ -66,4 +67,10 @@ public class ServiceUtils {
       }
     }
   }
+
+  public static boolean canProvideProgressLog(HiveConf hiveConf) {
+    return "tez".equals(hiveConf.getVar(HiveConf.ConfVars.HIVE_EXECUTION_ENGINE))
+        && hiveConf.getBoolVar(HiveConf.ConfVars.HIVE_SERVER2_INPLACE_PROGRESS);
+  }
+
 }
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/hive/blob/e759bbaf/service/src/java/org/apache/hive/service/cli/CLIService.java
----------------------------------------------------------------------
diff --git a/service/src/java/org/apache/hive/service/cli/CLIService.java b/service/src/java/org/apache/hive/service/cli/CLIService.java
index 714b259..a009e25 100644
--- a/service/src/java/org/apache/hive/service/cli/CLIService.java
+++ b/service/src/java/org/apache/hive/service/cli/CLIService.java
@@ -39,6 +39,7 @@ import org.apache.hadoop.hive.shims.Utils;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hive.service.CompositeService;
 import org.apache.hive.service.ServiceException;
+import org.apache.hive.service.ServiceUtils;
 import org.apache.hive.service.auth.HiveAuthFactory;
 import org.apache.hive.service.cli.operation.Operation;
 import org.apache.hive.service.cli.session.SessionManager;
@@ -477,7 +478,7 @@ public class CLIService extends CompositeService implements ICLIService
{
 
   private static final long PROGRESS_MAX_WAIT_NS = 30 * 1000000000l;
   private JobProgressUpdate progressUpdateLog(boolean isProgressLogRequested, Operation operation)
{
-    if (!isProgressLogRequested || !canProvideProgressLog()
+    if (!isProgressLogRequested || !ServiceUtils.canProvideProgressLog(hiveConf)
         || !OperationType.EXECUTE_STATEMENT.equals(operation.getType())) {
       return new JobProgressUpdate(ProgressMonitor.NULL);
     }
@@ -488,7 +489,10 @@ public class CLIService extends CompositeService implements ICLIService
{
     try {
       while (sessionState.getProgressMonitor() == null && !operation.isDone()) {
         long remainingMs = (PROGRESS_MAX_WAIT_NS - (System.nanoTime() - startTime)) / 1000000l;
-        if (remainingMs <= 0) return new JobProgressUpdate(ProgressMonitor.NULL);
+        if (remainingMs <= 0) {
+          LOG.debug("timed out and hence returning progress log as NULL");
+          return new JobProgressUpdate(ProgressMonitor.NULL);
+        }
         Thread.sleep(Math.min(remainingMs, timeOutMs));
         timeOutMs <<= 1;
       }
@@ -499,11 +503,6 @@ public class CLIService extends CompositeService implements ICLIService
{
     return new JobProgressUpdate(pm != null ? pm : ProgressMonitor.NULL);
   }
 
-  private boolean canProvideProgressLog() {
-    return "tez".equals(hiveConf.getVar(ConfVars.HIVE_EXECUTION_ENGINE))
-        && hiveConf.getBoolVar(ConfVars.HIVE_SERVER2_INPLACE_PROGRESS);
-  }
-
   /* (non-Javadoc)
    * @see org.apache.hive.service.cli.ICLIService#cancelOperation(org.apache.hive.service.cli.OperationHandle)
    */


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