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https://github.com/scylladb/scylladb.git
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a0e5c14c55
these unused includes were identified by clangd. see https://clangd.llvm.org/guides/include-cleaner#unused-include-warning for more details on the "Unused include" warning. Signed-off-by: Kefu Chai <kefu.chai@scylladb.com> Closes scylladb/scylladb#16736
91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* Copyright 2019-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include <cstdint>
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#include <seastar/core/metrics_registration.hh>
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#include "utils/estimated_histogram.hh"
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#include "cql3/stats.hh"
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namespace alternator {
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// Object holding per-shard statistics related to Alternator.
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// While this object is alive, these metrics are also registered to be
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// visible by the metrics REST API, with the "alternator" prefix.
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class stats {
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public:
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stats();
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// Count of DynamoDB API operations by types
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struct {
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uint64_t batch_get_item = 0;
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uint64_t batch_write_item = 0;
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uint64_t create_backup = 0;
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uint64_t create_global_table = 0;
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uint64_t create_table = 0;
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uint64_t delete_backup = 0;
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uint64_t delete_item = 0;
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uint64_t delete_table = 0;
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uint64_t describe_backup = 0;
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uint64_t describe_continuous_backups = 0;
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uint64_t describe_endpoints = 0;
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uint64_t describe_global_table = 0;
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uint64_t describe_global_table_settings = 0;
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uint64_t describe_limits = 0;
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uint64_t describe_table = 0;
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uint64_t describe_time_to_live = 0;
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uint64_t get_item = 0;
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uint64_t list_backups = 0;
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uint64_t list_global_tables = 0;
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uint64_t list_tables = 0;
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uint64_t list_tags_of_resource = 0;
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uint64_t put_item = 0;
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uint64_t query = 0;
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uint64_t restore_table_from_backup = 0;
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uint64_t restore_table_to_point_in_time = 0;
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uint64_t scan = 0;
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uint64_t tag_resource = 0;
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uint64_t transact_get_items = 0;
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uint64_t transact_write_items = 0;
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uint64_t untag_resource = 0;
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uint64_t update_continuous_backups = 0;
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uint64_t update_global_table = 0;
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uint64_t update_global_table_settings = 0;
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uint64_t update_item = 0;
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uint64_t update_table = 0;
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uint64_t update_time_to_live = 0;
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uint64_t list_streams = 0;
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uint64_t describe_stream = 0;
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uint64_t get_shard_iterator = 0;
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uint64_t get_records = 0;
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utils::time_estimated_histogram put_item_latency;
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utils::time_estimated_histogram get_item_latency;
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utils::time_estimated_histogram delete_item_latency;
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utils::time_estimated_histogram update_item_latency;
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utils::time_estimated_histogram get_records_latency;
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} api_operations;
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// Miscellaneous event counters
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uint64_t total_operations = 0;
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uint64_t unsupported_operations = 0;
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uint64_t reads_before_write = 0;
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uint64_t write_using_lwt = 0;
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uint64_t shard_bounce_for_lwt = 0;
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uint64_t requests_blocked_memory = 0;
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uint64_t requests_shed = 0;
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// CQL-derived stats
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cql3::cql_stats cql_stats;
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private:
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// The metric_groups object holds this stat object's metrics registered
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// as long as the stats object is alive.
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seastar::metrics::metric_groups _metrics;
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};
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}
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