impalad-metrics.h

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// Copyright 2012 Cloudera Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.


#ifndef IMPALA_UTIL_IMPALAD_METRICS_H
#define IMPALA_UTIL_IMPALAD_METRICS_H

#include "util/metrics.h"

namespace impala {

class ImpaladMetricKeys {
 public:
  static const char* IMPALA_SERVER_START_TIME;

  static const char* IMPALA_SERVER_VERSION;

  static const char* IMPALA_SERVER_READY;

  static const char* IMPALA_SERVER_NUM_QUERIES;

  static const char* IMPALA_SERVER_NUM_FRAGMENTS;

  static const char* IMPALA_SERVER_NUM_OPEN_HS2_SESSIONS;

  static const char* IMPALA_SERVER_NUM_OPEN_BEESWAX_SESSIONS;

  static const char* TOTAL_SCAN_RANGES_PROCESSED;

  static const char* NUM_SCAN_RANGES_MISSING_VOLUME_ID;

  static const char* MEM_POOL_TOTAL_BYTES;

  static const char* HASH_TABLE_TOTAL_BYTES;

  static const char* IO_MGR_NUM_OPEN_FILES;

  static const char* IO_MGR_NUM_BUFFERS;

  static const char* IO_MGR_TOTAL_BYTES;

  static const char* IO_MGR_NUM_UNUSED_BUFFERS;

  static const char* IO_MGR_BYTES_READ;

  static const char* IO_MGR_LOCAL_BYTES_READ;

  static const char* IO_MGR_SHORT_CIRCUIT_BYTES_READ;

  static const char* IO_MGR_CACHED_BYTES_READ;

  static const char* IO_MGR_BYTES_WRITTEN;

  static const char* CATALOG_NUM_DBS;

  static const char* CATALOG_NUM_TABLES;

  static const char* CATALOG_READY;

  static const char* NUM_FILES_OPEN_FOR_INSERT;

  static const char* NUM_SESSIONS_EXPIRED;

  static const char* NUM_QUERIES_EXPIRED;

  static const char* NUM_QUERIES_SPILLED;

  static const char* RESULTSET_CACHE_TOTAL_NUM_ROWS;

  static const char* RESULTSET_CACHE_TOTAL_BYTES;
};

class ImpaladMetrics {
 public:
  // Counters
  static IntGauge* HASH_TABLE_TOTAL_BYTES;
  static IntCounter* IMPALA_SERVER_NUM_FRAGMENTS;
  static IntCounter* IMPALA_SERVER_NUM_QUERIES;
  static IntCounter* NUM_QUERIES_EXPIRED;
  static IntCounter* NUM_QUERIES_SPILLED;
  static IntCounter* NUM_RANGES_MISSING_VOLUME_ID;
  static IntCounter* NUM_RANGES_PROCESSED;
  static IntCounter* NUM_SESSIONS_EXPIRED;
  // Gauges
  static IntGauge* CATALOG_NUM_DBS;
  static IntGauge* CATALOG_NUM_TABLES;
  static IntGauge* IMPALA_SERVER_NUM_OPEN_BEESWAX_SESSIONS;
  static IntGauge* IMPALA_SERVER_NUM_OPEN_HS2_SESSIONS;
  static IntGauge* IO_MGR_NUM_BUFFERS;
  static IntGauge* IO_MGR_NUM_OPEN_FILES;
  static IntGauge* IO_MGR_NUM_UNUSED_BUFFERS;
  static IntGauge* IO_MGR_TOTAL_BYTES;
  static IntGauge* IO_MGR_BYTES_READ;
  static IntGauge* IO_MGR_LOCAL_BYTES_READ;
  static IntGauge* IO_MGR_CACHED_BYTES_READ;
  static IntGauge* IO_MGR_SHORT_CIRCUIT_BYTES_READ;
  static IntGauge* IO_MGR_BYTES_WRITTEN;
  static IntGauge* MEM_POOL_TOTAL_BYTES;
  static IntGauge* NUM_FILES_OPEN_FOR_INSERT;
  static IntGauge* RESULTSET_CACHE_TOTAL_NUM_ROWS;
  static IntGauge* RESULTSET_CACHE_TOTAL_BYTES;
  // Properties
  static BooleanProperty* CATALOG_READY;
  static BooleanProperty* IMPALA_SERVER_READY;
  static StringProperty* IMPALA_SERVER_START_TIME;
  static StringProperty* IMPALA_SERVER_VERSION;

  // Creates and initializes all metrics above in 'm'.
  static void CreateMetrics(MetricGroup* m);
};


};

#endif