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scylladb/cql3/stats.hh

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/*
* Copyright (C) 2015-present ScyllaDB
*
* Modified by 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 "cql3/statements/statement_type.hh"
namespace cql3 {
/** Enums for selecting counters in `cql_stats', like:
* stats.query_cnt(source_selector::USER, ks_selector::NONSYSTEM, cond_selector::NO_CONDITIONS, statement_type::INSERT)
*/
enum class source_selector : size_t {
INTERNAL = 0u,
USER,
SIZE // Keep me as the last entry
};
enum class ks_selector : size_t {
SYSTEM = 0u,
NONSYSTEM,
SIZE // Keep me as the last entry
};
enum class cond_selector : size_t {
NO_CONDITIONS = 0u,
WITH_CONDITIONS,
SIZE // Keep me as the last entry
};
// Shard-local CQL statistics
// @sa cql3/query_processor.cc explains the meaning of each counter
struct cql_stats {
uint64_t& query_cnt(source_selector ss, ks_selector kss, cond_selector cs, statements::statement_type st) {
return _query_cnt[(size_t)ss][(size_t)kss][(size_t)cs][(size_t)st];
}
const uint64_t& query_cnt(source_selector ss, ks_selector kss, cond_selector cs, statements::statement_type st) const {
return _query_cnt[(size_t)ss][(size_t)kss][(size_t)cs][(size_t)st];
}
uint64_t& unpaged_select_queries(ks_selector kss) {
return _unpaged_select_queries[(size_t)kss];
}
const uint64_t& unpaged_select_queries(ks_selector kss) const {
return _unpaged_select_queries[(size_t)kss];
}
uint64_t batches = 0;
uint64_t cas_batches = 0;
uint64_t statements_in_batches = 0;
uint64_t statements_in_cas_batches = 0;
uint64_t batches_pure_logged = 0;
uint64_t batches_pure_unlogged = 0;
uint64_t batches_unlogged_from_logged = 0;
uint64_t rows_read = 0;
uint64_t reverse_queries = 0;
int64_t secondary_index_creates = 0;
int64_t secondary_index_drops = 0;
int64_t secondary_index_reads = 0;
int64_t secondary_index_rows_read = 0;
int64_t filtered_reads = 0;
int64_t filtered_rows_matched_total = 0;
int64_t filtered_rows_read_total = 0;
int64_t select_bypass_caches = 0;
int64_t select_allow_filtering = 0;
int64_t select_partition_range_scan = 0;
int64_t select_partition_range_scan_no_bypass_cache = 0;
private:
uint64_t _unpaged_select_queries[(size_t)ks_selector::SIZE] = {0ul};
uint64_t _query_cnt[(size_t)source_selector::SIZE]
[(size_t)ks_selector::SIZE]
[(size_t)cond_selector::SIZE]
[statements::statement_type::MAX_VALUE + 1] = {0ul};
};
}