96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_STORAGE_OB_AUTO_PART_SCHEDULER_H_
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#define OCEANBASE_STORAGE_OB_AUTO_PART_SCHEDULER_H_
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#include "common/rowkey/ob_rowkey.h"
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#include "lib/container/ob_se_array.h"
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#include "share/ob_thread_pool.h"
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namespace oceanbase {
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namespace share {
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namespace schema {
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class ObMultiVersionSchemaService;
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class ObTableSchema;
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} // namespace schema
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} // namespace share
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namespace memtable {
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class ObMemtable;
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}
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namespace common {
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class ObIAllocator;
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class ObPartitionKey;
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} // namespace common
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namespace storage {
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class ObPartitionService;
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class ObIPartitionGroup;
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class ObSSTable;
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class ObAutoPartScheduler : public share::ObThreadPool {
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public:
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ObAutoPartScheduler();
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virtual ~ObAutoPartScheduler();
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public:
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int init(storage::ObPartitionService* partition_service, share::schema::ObMultiVersionSchemaService* schema_service);
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int start();
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void stop();
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void wait();
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void destroy();
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public:
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void run1();
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private:
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typedef common::ObSEArray<common::ObRowkey, 1024> RowkeyArray;
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private:
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void do_work_();
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// execute partition slipt including condition check, notifying rs execute split
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void handle_partition_(storage::ObIPartitionGroup* partition);
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// Check if need execute auto split
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// 1) is_auto_part
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// 2) is_leader
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// 3) the size of sstable/memtable has exceed auto_part_size
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// 4) not is_splitting
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bool need_auto_split_(storage::ObIPartitionGroup* partition);
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// check if the table is auto split table
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bool check_partition_is_auto_part_(
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storage::ObIPartitionGroup* partition, const share::schema::ObTableSchema* table_schema);
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// check leader
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bool check_partition_is_leader_(storage::ObIPartitionGroup* partition);
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// check the size of the partition
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bool check_partition_is_enough_large_(
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storage::ObIPartitionGroup* partition, const share::schema::ObTableSchema* table_schema);
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// execute the split action
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void execute_range_part_split_(storage::ObIPartitionGroup* partition);
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// get split rowkey
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int get_split_rowkey_(
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storage::ObIPartitionGroup* partition, common::ObRowkey& rowkey, common::ObIAllocator& allocator);
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int build_rowkey_array_(const common::ObPartitionKey& partition_key, storage::ObSSTable* sstable,
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RowkeyArray& rowkey_array, common::ObIAllocator& allocator);
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int build_rowkey_array_(const common::ObPartitionKey& partition_key, memtable::ObMemtable* memtable,
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RowkeyArray& rowkey_array, common::ObIAllocator& allocator);
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const static int64_t DO_WORK_INTERVAL = 10 * 1000 * 1000; // 10s
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private:
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bool is_inited_;
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storage::ObPartitionService* partition_service_;
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share::schema::ObMultiVersionSchemaService* schema_service_;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObAutoPartScheduler);
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};
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} // namespace storage
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} // namespace oceanbase
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#endif // OCEANBASE_STORAGE_OB_AUTO_PART_SCHEDULER_H_
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