f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
105 lines
2.3 KiB
C++
105 lines
2.3 KiB
C++
/*
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* Copyright (C) 2020-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*/
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#pragma once
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#include <array>
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#include <cstdint>
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#include <seastar/core/metrics_registration.hh>
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#include "enum_set.hh"
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namespace cdc {
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class stats final {
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seastar::metrics::metric_groups _metrics;
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public:
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enum class part_type {
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STATIC_ROW,
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CLUSTERING_ROW,
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MAP,
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SET,
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LIST,
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UDT,
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RANGE_TOMBSTONE,
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PARTITION_DELETE,
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ROW_DELETE,
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MAX
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};
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using part_type_set = enum_set<super_enum<part_type,
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part_type::STATIC_ROW,
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part_type::CLUSTERING_ROW,
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part_type::MAP,
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part_type::SET,
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part_type::LIST,
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part_type::UDT,
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part_type::RANGE_TOMBSTONE,
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part_type::PARTITION_DELETE,
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part_type::ROW_DELETE
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>>;
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struct parts_touched_stats final {
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std::array<uint64_t, (size_t)part_type::MAX> count = {};
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inline void apply(part_type_set parts_set) {
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for (part_type idx : parts_set) {
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count[(size_t)idx]++;
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}
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}
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void register_metrics(seastar::metrics::metric_groups& metrics, std::string_view suffix);
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};
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struct counters final {
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uint64_t unsplit_count = 0;
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uint64_t split_count = 0;
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uint64_t preimage_selects = 0;
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uint64_t with_preimage_count = 0;
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uint64_t with_postimage_count = 0;
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parts_touched_stats touches;
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};
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counters counters_total;
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counters counters_failed;
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stats();
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};
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// Contains the details on what happened during a CDC operation.
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struct operation_details final {
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stats::part_type_set touched_parts;
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bool was_split = false;
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bool had_preimage = false;
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bool had_postimage = false;
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};
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// This object tracks the lifetime of write handlers related to one CDC operation. After all
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// write handlers for the operation finish, CDC metrics are updated.
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class operation_result_tracker final {
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stats& _stats;
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operation_details _details;
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bool _failed;
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public:
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operation_result_tracker(stats& stats, operation_details details)
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: _stats(stats)
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, _details(details)
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, _failed(false)
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{}
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~operation_result_tracker();
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void on_mutation_failed() {
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_failed = true;
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}
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};
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}
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