storage_options.cpp

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/*
 * Copyright (c) 2014-2015, Hewlett-Packard Development Company, LP.
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details. You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * HP designates this particular file as subject to the "Classpath" exception
 * as provided by HP in the LICENSE.txt file that accompanied this code.
 */
#include "foedus/storage/storage_options.hpp"
namespace foedus {
namespace storage {
StorageOptions::StorageOptions() {
  max_storages_ = kDefaultMaxStorages;
  partitioner_data_memory_mb_ = kDefaultPartitionerDataMemoryMb;
  hot_threshold_ = kDefaultHotThreshold;
}
ErrorStack StorageOptions::load(tinyxml2::XMLElement* element) {
  EXTERNALIZE_LOAD_ELEMENT(element, max_storages_);
  EXTERNALIZE_LOAD_ELEMENT(element, partitioner_data_memory_mb_);
  EXTERNALIZE_LOAD_ELEMENT(element, hot_threshold_);
  return kRetOk;
}
ErrorStack StorageOptions::save(tinyxml2::XMLElement* element) const {
  CHECK_ERROR(insert_comment(element, "Set of options for storage manager."));
  EXTERNALIZE_SAVE_ELEMENT(element, max_storages_,
    "Maximum number of storages in this database.");
  EXTERNALIZE_SAVE_ELEMENT(element, partitioner_data_memory_mb_,
    "Size in MB of a shared memory buffer allocated for all partitioners during log gleaning."
    "Increase this value when you have a large number of storages that have large partitioning"
    " information (eg. long keys).");
  EXTERNALIZE_SAVE_ELEMENT(element, hot_threshold_,
    "Hot record threshold; for HCC only.");
  return kRetOk;
}
}  // namespace storage
}  // namespace foedus