Package org.apache.hadoop.chukwa.util

Examples of org.apache.hadoop.chukwa.util.DatabaseWriter

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      time_online = new TimeHandler(this.request, this.timezone);
      start = time_online.getStartTime();
      end = time_online.getEndTime();
    }
   
    DatabaseWriter dbw = new DatabaseWriter(this.cluster);
   
    // setup query
    String query;
    if (this.query_state != null && this.query_state.equals("read")) {
      query = "select block_id,start_time,finish_time,start_time_millis,finish_time_millis,status,state_name,hostname,other_host,bytes from ["+table+"] where finish_time between '[start]' and '[end]' and (state_name like 'read_local' or state_name like 'read_remote')";
    } else if (this.query_state != null && this.query_state.equals("write")) {
      query = "select block_id,start_time,finish_time,start_time_millis,finish_time_millis,status,state_name,hostname,other_host,bytes from ["+table+"] where finish_time between '[start]' and '[end]' and (state_name like 'write_local' or state_name like 'write_remote' or state_name like 'write_replicated')";
    } else {
      query = "select block_id,start_time,finish_time,start_time_millis,finish_time_millis,status,state_name,hostname,other_host,bytes from ["+table+"] where finish_time between '[start]' and '[end]' and state_name like '" + query_state + "'";
    }
    Macro mp = new Macro(start,end,query);
    query = mp.toString() + " order by start_time";
   
    ArrayList<HashMap<String, Object>> events = new ArrayList<HashMap<String, Object>>();

    ResultSet rs = null;
   
    log.debug("Query: " + query);
    // run query, extract results
    try {
      rs = dbw.query(query);
      ResultSetMetaData rmeta = rs.getMetaData();
      int col = rmeta.getColumnCount();
      while (rs.next()) {
        HashMap<String, Object> event = new HashMap<String, Object>();
        for(int i=1;i<=col;i++) {
          if(rmeta.getColumnType(i)==java.sql.Types.TIMESTAMP) {
            event.put(rmeta.getColumnName(i),rs.getTimestamp(i).getTime());
          } else {
            event.put(rmeta.getColumnName(i),rs.getString(i));
          }
        }
        events.add(event);
      }
    } catch (SQLException ex) {
      // handle any errors
      log.error("SQLException: " + ex.getMessage());
      log.error("SQLState: " + ex.getSQLState());
      log.error("VendorError: " + ex.getErrorCode());
    } finally {
      dbw.close();
    }   

    log.info(events.size() + " results returned.");

    HashSet<String> host_set = new HashSet<String>();
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  String cluster = "demo";
  long current = Calendar.getInstance().getTimeInMillis();

  public void setUp() {
    System.setProperty("CLUSTER","demo");
    DatabaseWriter db = new DatabaseWriter(cluster);
    String buffer = "";
    File aFile = new File(System.getenv("CHUKWA_CONF_DIR")
                 + File.separator + "database_create_tables.sql");
    buffer = readFile(aFile);
    String tables[] = buffer.split(";");
    for(String table : tables) {
      if(table.length()>5) {
        try {
          db.execute(table);
        } catch (Exception e) {
          fail("Fail to retrieve meta data from database table: "+table);
        }
      }
    }
    db.close();
    for(int i=0;i<timeWindow.length;i++) {
      TableCreator tc = new TableCreator();
      long start = current;
      long end = current + (timeWindow[i]*1440*60*1000);
      try {
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      }
    }
  }

  public void tearDown() {
    DatabaseWriter db = null;
    try {
      db = new DatabaseWriter(cluster);
      ResultSet rs = db.query("show tables");
      ArrayList<String> list = new ArrayList<String>();
      while(rs.next()) {
        String table = rs.getString(1);
        list.add(table);
      }
      for(String table : list) {
        db.execute("drop table "+table);
      }
    } catch(Throwable ex) {
    } finally {
      if(db!=null) {
        db.close();
      }
    }
  }
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      }
    } catch (Throwable ex) {
      fail("SQL Exception: "+ExceptionUtil.getStackTrace(ex));
    }
    if(!skip) {
      DatabaseWriter db = new DatabaseWriter(cluster);
      for(int i=0;i<tables.length;i++) {
        String query = "select [avg("+tables[i]+")] from ["+tables[i]+"]";
        Macro mp = new Macro(current,query);
        query = mp.toString();
        try {
          ResultSet rs = db.query(query);
          ResultSetMetaData rsmd = rs.getMetaData();
          int numberOfColumns = rsmd.getColumnCount();
          while(rs.next()) {
            for(int j=1;j<=numberOfColumns;j++) {
              assertTrue("Table: "+tables[i]+", Column: "+rsmd.getColumnName(j)+", contains no data.",rs.getString(j)!=null);
            }
          }
        } catch(Throwable ex) {
          fail("MetricDataLoader failed: "+ExceptionUtil.getStackTrace(ex));
        }
      }
      db.close();
      assertTrue("MetricDataLoader executed successfully.",true);
    }
  }
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  String cluster = "demo";
  long current = Calendar.getInstance().getTimeInMillis();

  public void setUp() throws Exception {
    System.setProperty("CLUSTER","demo");
    DatabaseWriter db = new DatabaseWriter(cluster);
    String buffer = "";
    File aFile = new File(System.getenv("CHUKWA_CONF_DIR")
                 + File.separator + "database_create_tables.sql");
    buffer = readFile(aFile);
    String tables[] = buffer.split(";");
    for(String table : tables) {
      if(table.length()>5) {
        db.execute(table);
      }
    }
    db.close();
    for(int i=0;i<timeWindow.length;i++) {
      TableCreator tc = new TableCreator();
      long start = current;
      long end = current + (timeWindow[i]*1440*60*1000);
      tc.createTables(start, end);
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      tc.createTables(start, end);
    }
  }

  public void tearDown() {
    DatabaseWriter db = null;
    try {
      db = new DatabaseWriter(cluster);
      ResultSet rs = db.query("show tables");
      ArrayList<String> list = new ArrayList<String>();
      while(rs.next()) {
        String table = rs.getString(1);
        list.add(table);
      }
      for(String table : list) {
        db.execute("drop table "+table);
      }
    } catch(Throwable ex) {
    } finally {
      if(db!=null) {
        db.close();
      }
    }
  }
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    ChukwaConfiguration cc = new ChukwaConfiguration();
    String query = "select * from ["+table+"];";
    Macro mp = new Macro(current,query);
    query = mp.toString();
    try {
      DatabaseWriter db = new DatabaseWriter(cluster);
      ResultSet rs = db.query(query);
      while(rs.next()) {
        int i = 1;
        String value = rs.getString(i);
      }
      db.close();
    } catch(SQLException ex) {
      fail("SQL Exception: "+ExceptionUtil.getStackTrace(ex));
    }
  }
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        de.dropTables(start, end);
      } catch(Throwable ex) {
        fail("SQL Exception: "+ExceptionUtil.getStackTrace(ex));
      }
      assertTrue("DataExpiration executed.", true);
      DatabaseWriter db = null;
      try {
        db = new DatabaseWriter(cluster);
        String query = "select * from [system_metrics];";
        Macro mp = new Macro(current,query);
        query = mp.toString();
        ResultSet rs = db.query(query);
      } catch(SQLException ex) {
        assertTrue("Table is not suppose to exist.",true);
        db.close();
      }
    }
  }
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      time_online = new TimeHandler(this.request, this.timezone);
      start = time_online.getStartTime();
      end = time_online.getEndTime();
    }
   
    DatabaseWriter dbw = new DatabaseWriter(this.cluster);
    String query;
   
    // setup query
    if (this.shuffle_option != null && this.shuffle_option.equals("shuffles")) {
      query = "select job_id,friendly_id,start_time,finish_time,start_time_millis,finish_time_millis,status,state_name,hostname from ["+this.table+"] where finish_time between '[start]' and '[end]'";
    } else {
      query = "select job_id,friendly_id,start_time,finish_time,start_time_millis,finish_time_millis,status,state_name,hostname from ["+this.table+"] where finish_time between '[start]' and '[end]' and not state_name like 'shuffle_local' and not state_name like 'shuffle_remote'";
    }
    if (this.jobname != null) {
      query = query + " and job_id like '"+ this.jobname +"'";
    }
    Macro mp = new Macro(start,end,query);
    query = mp.toString() + " order by start_time";
   
    Table rs_tab = null;   
    DatabaseDataSource dds;

    log.debug("Query: " + query);
    // execute query
    try {
      dds = ConnectionFactory.getDatabaseConnection(dbw.getConnection());
      rs_tab = dds.getData(query);
    } catch (prefuse.data.io.DataIOException e) {
      System.err.println("prefuse data IO error: " + e);
      log.warn("prefuse data IO error: " + e);
      return null;
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  String cluster = "demo";
  long current = Calendar.getInstance().getTimeInMillis();

  public void setUp() {
    System.setProperty("CLUSTER","demo");
    DatabaseWriter db = new DatabaseWriter(cluster);
    String buffer = "";
    File aFile = new File(System.getenv("CHUKWA_CONF_DIR")
                 + File.separator + "database_create_tables.sql");
    buffer = readFile(aFile);
    String tables[] = buffer.split(";");
    for(String table : tables) {
      if(table.length()>5) {
        try {
          db.execute(table);
        } catch (Exception e) {
          fail("Fail to retrieve meta data from table:"+table);
        }
      }
    }
    db.close();
    for(int i=0;i<timeWindow.length;i++) {
      TableCreator tc = new TableCreator();
      long start = current;
      long end = current + (timeWindow[i]*1440*60*1000);
      try {
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Related Classes of org.apache.hadoop.chukwa.util.DatabaseWriter

  • org.apache.hadoop.chukwa.analysis.salsa.visualization.Heatmap
  • org.apache.hadoop.chukwa.analysis.salsa.visualization.Swimlanes
  • org.apache.hadoop.chukwa.database.Aggregator
  • org.apache.hadoop.chukwa.database.Consolidator
  • org.apache.hadoop.chukwa.database.DatabaseSetup
  • org.apache.hadoop.chukwa.database.DataExpiration
  • org.apache.hadoop.chukwa.database.Macro
  • org.apache.hadoop.chukwa.database.TableCreator
  • org.apache.hadoop.chukwa.database.TestDatabaseAggregator
  • org.apache.hadoop.chukwa.database.TestDatabaseDataExpiration
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