mirror of
https://github.com/ClickHouse/ClickHouse.git
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112 lines
3.6 KiB
C++
112 lines
3.6 KiB
C++
#pragma once
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#include <map>
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#include <memory>
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#include <mutex>
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#include <optional>
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#include <vector>
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#include <base/types.h>
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#include <Interpreters/Context_fwd.h>
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#include <Common/Throttler_fwd.h>
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#include <Storages/HeaderCollection.h>
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#include <IO/S3Common.h>
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namespace Poco::Util
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{
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class AbstractConfiguration;
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}
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namespace DB
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{
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struct Settings;
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class NamedCollection;
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struct S3Settings
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{
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struct RequestSettings
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{
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struct PartUploadSettings
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{
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size_t min_upload_part_size = 16 * 1024 * 1024;
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size_t max_upload_part_size = 5ULL * 1024 * 1024 * 1024;
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size_t upload_part_size_multiply_factor = 2;
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size_t upload_part_size_multiply_parts_count_threshold = 500;
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size_t max_part_number = 10000;
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size_t max_single_part_upload_size = 32 * 1024 * 1024;
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size_t max_single_operation_copy_size = 5ULL * 1024 * 1024 * 1024;
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void updateFromSettings(const Settings & settings) { updateFromSettingsImpl(settings, true); }
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void validate();
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private:
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PartUploadSettings() = default;
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explicit PartUploadSettings(const Settings & settings);
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explicit PartUploadSettings(const NamedCollection & collection);
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PartUploadSettings(
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const Poco::Util::AbstractConfiguration & config,
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const String & config_prefix,
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const Settings & settings,
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String setting_name_prefix = {});
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void updateFromSettingsImpl(const Settings & settings, bool if_changed);
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friend struct RequestSettings;
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};
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private:
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PartUploadSettings upload_settings = {};
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public:
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size_t max_single_read_retries = 4;
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size_t max_connections = 1024;
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bool check_objects_after_upload = false;
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size_t max_unexpected_write_error_retries = 4;
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ThrottlerPtr get_request_throttler;
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ThrottlerPtr put_request_throttler;
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const PartUploadSettings & getUploadSettings() const { return upload_settings; }
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RequestSettings() = default;
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explicit RequestSettings(const Settings & settings);
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explicit RequestSettings(const NamedCollection & collection);
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/// What's the setting_name_prefix, and why do we need it?
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/// There are (at least) two config sections where s3 settings can be specified:
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/// * settings for s3 disk (clickhouse/storage_configuration/disks)
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/// * settings for s3 storage (clickhouse/s3), which are also used for backups
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/// Even though settings are the same, in case of s3 disk they are prefixed with "s3_"
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/// ("s3_max_single_part_upload_size"), but in case of s3 storage they are not
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/// ( "max_single_part_upload_size"). Why this happened is a complete mystery to me.
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RequestSettings(
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const Poco::Util::AbstractConfiguration & config,
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const String & config_prefix,
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const Settings & settings,
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String setting_name_prefix = {});
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void updateFromSettings(const Settings & settings);
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private:
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void updateFromSettingsImpl(const Settings & settings, bool if_changed);
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};
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S3::AuthSettings auth_settings;
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RequestSettings request_settings;
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};
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/// Settings for the StorageS3.
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class StorageS3Settings
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{
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public:
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void loadFromConfig(const String & config_elem, const Poco::Util::AbstractConfiguration & config, const Settings & settings);
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S3Settings getSettings(const String & endpoint) const;
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private:
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mutable std::mutex mutex;
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std::map<const String, const S3Settings> s3_settings;
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};
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}
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