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scylladb/service/priority_manager.hh

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/*
* Copyright 2016-present ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla 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 Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <seastar/core/file.hh>
#include "seastarx.hh"
namespace service {
class priority_manager {
::io_priority_class _commitlog_priority;
::io_priority_class _mt_flush_priority;
::io_priority_class _streaming_priority;
::io_priority_class _sstable_query_read;
::io_priority_class _compaction_priority;
public:
const ::io_priority_class&
commitlog_priority() const {
return _commitlog_priority;
}
const ::io_priority_class&
memtable_flush_priority() const {
return _mt_flush_priority;
}
const ::io_priority_class&
streaming_priority() const {
return _streaming_priority;
}
const ::io_priority_class&
sstable_query_read_priority() const {
return _sstable_query_read;
}
const ::io_priority_class&
compaction_priority() const {
return _compaction_priority;
}
priority_manager();
};
priority_manager& get_local_priority_manager();
const inline ::io_priority_class&
get_local_commitlog_priority() {
return get_local_priority_manager().commitlog_priority();
}
const inline ::io_priority_class&
get_local_memtable_flush_priority() {
return get_local_priority_manager().memtable_flush_priority();
}
const inline ::io_priority_class&
get_local_streaming_priority() {
return get_local_priority_manager().streaming_priority();
}
const inline ::io_priority_class&
get_local_sstable_query_read_priority() {
return get_local_priority_manager().sstable_query_read_priority();
}
const inline ::io_priority_class&
get_local_compaction_priority() {
return get_local_priority_manager().compaction_priority();
}
}