Отправить запрос
    Что такое корпоративное хранилище данных (DWH) и зачем оно нужно бизнесу
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                                [C_SORT] => 200
                                [ACTIVE] => Y
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                                [FIELD_ID] => 167
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                                [TIMESTAMP_X] => 24.08.2023 09:03:21
                                [MESSAGE] =>  
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                                [FIELD_PARAM] => class="form-control"
                                [C_SORT] => 100
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                    )
    
                [NAME_OWNER] => Array
                    (
                        [0] => Array
                            (
                                [ID] => 243
                                [FIELD_ID] => 168
                                [QUESTION_ID] => 168
                                [TIMESTAMP_X] => 24.08.2023 09:03:50
                                [MESSAGE] =>  
                                [VALUE] => 
                                [FIELD_TYPE] => text
                                [FIELD_WIDTH] => 0
                                [FIELD_HEIGHT] => 0
                                [FIELD_PARAM] => class="form-control"
                                [C_SORT] => 100
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                    )
    
                [INN_OWNER] => Array
                    (
                        [0] => Array
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                                [ID] => 244
                                [FIELD_ID] => 169
                                [QUESTION_ID] => 169
                                [TIMESTAMP_X] => 24.08.2023 09:04:16
                                [MESSAGE] =>  
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                                [FIELD_PARAM] => class="form-control"
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                    )
    
                [OWNER_CITY] => Array
                    (
                        [0] => Array
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                                [ID] => 245
                                [FIELD_ID] => 170
                                [QUESTION_ID] => 170
                                [TIMESTAMP_X] => 24.08.2023 09:04:39
                                [MESSAGE] =>  
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                                [FIELD_TYPE] => text
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                                [FIELD_PARAM] => class="form-control"
                                [C_SORT] => 100
                                [ACTIVE] => Y
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                    )
    
                [TEMPLATE] => Array
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                        [0] => Array
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                                [QUESTION_ID] => 171
                                [TIMESTAMP_X] => 24.08.2023 09:05:04
                                [MESSAGE] =>  
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                                [FIELD_TYPE] => text
                                [FIELD_WIDTH] => 0
                                [FIELD_HEIGHT] => 0
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                        [reference] => Array
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                                [0] => Входящая корреспонденция
                                [1] => Подбор оборудования
                                [2] => Покупка оборудования
                                [3] => Взять оборудование в тест
                                [4] => Техническая поддержка
                                [5] => Гарантийное обслуживание
                            )
    
                        [reference_id] => Array
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                                [0] => 205
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                                [3] => 208
                                [4] => 209
                                [5] => 210
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                        [param] => Array
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                                [0] => class="form-control"
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                                [2] => class="form-control"
                                [3] => class="form-control"
                                [4] => class="form-control"
                                [5] => class="form-control"
                            )
    
                    )
    
                [COOP_TYPE] => Array
                    (
                        [reference] => Array
                            (
                                [0] => Конечный заказчик
                                [1] => Партнер/Дистрибьютор
                            )
    
                        [reference_id] => Array
                            (
                                [0] => 240
                                [1] => 241
                            )
    
                        [param] => Array
                            (
                                [0] => class="form-control"
                                [1] => class="form-control"
                            )
    
                    )
    
            )
    
        [arMultiSelect] => Array
            (
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        [WEB_FORM_NAME] => SIMPLE_FORM_19
        [F_RIGHT] => 10
        [arrVALUES] => Array
            (
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        [isFormErrors] => N
        [isFormNote] => N
        [isAccessFormParams] => N
        [isStatisticIncluded] => Y
        [FORM_HEADER] => 
    
    [FORM_TITLE] => Отправить запрос [FORM_DESCRIPTION] => Внимание! Если вам необходима техническая поддержка создайте заявку в автоматизированной системе [isFormTitle] => Y [isFormDescription] => Y [isFormImage] => N [isUseCaptcha] => [DATE_FORMAT] => DD.MM.YYYY [REQUIRED_SIGN] => * [FORM_FOOTER] =>
    [QUESTIONS] => Array ( [FIO] => Array ( [CAPTION] => Введите ваше имя [IS_HTML_CAPTION] => N [REQUIRED] => Y [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 198 [FIELD_ID] => 139 [QUESTION_ID] => 139 [TIMESTAMP_X] => 29.09.2022 18:14:54 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [CITY] => Array ( [CAPTION] => Город [IS_HTML_CAPTION] => N [REQUIRED] => Y [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 199 [FIELD_ID] => 140 [QUESTION_ID] => 140 [TIMESTAMP_X] => 29.09.2022 18:14:54 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [COMPANY] => Array ( [CAPTION] => Компания [IS_HTML_CAPTION] => N [REQUIRED] => Y [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 200 [FIELD_ID] => 141 [QUESTION_ID] => 141 [TIMESTAMP_X] => 29.09.2022 18:14:54 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [PHONE] => Array ( [CAPTION] => Телефон [IS_HTML_CAPTION] => N [REQUIRED] => Y [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 201 [FIELD_ID] => 142 [QUESTION_ID] => 142 [TIMESTAMP_X] => 29.09.2022 18:14:54 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [EMAIL] => Array ( [CAPTION] => E-mail [IS_HTML_CAPTION] => N [REQUIRED] => Y [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 202 [FIELD_ID] => 143 [QUESTION_ID] => 143 [TIMESTAMP_X] => 02.04.2025 11:15:18 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [THEME_EMAIL] => Array ( [CAPTION] => Тема обращения [IS_HTML_CAPTION] => N [REQUIRED] => Y [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 205 [FIELD_ID] => 146 [QUESTION_ID] => 146 [TIMESTAMP_X] => 10.07.2023 16:31:28 [MESSAGE] => Входящая корреспонденция [VALUE] => office@qtech.ru [FIELD_TYPE] => dropdown [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) [1] => Array ( [ID] => 206 [FIELD_ID] => 146 [QUESTION_ID] => 146 [TIMESTAMP_X] => 10.07.2023 16:31:28 [MESSAGE] => Подбор оборудования [VALUE] => distr@qtech.ru [FIELD_TYPE] => dropdown [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 200 [ACTIVE] => Y ) [2] => Array ( [ID] => 207 [FIELD_ID] => 146 [QUESTION_ID] => 146 [TIMESTAMP_X] => 10.07.2023 16:31:28 [MESSAGE] => Покупка оборудования [VALUE] => distr@qtech.ru [FIELD_TYPE] => dropdown [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 300 [ACTIVE] => Y ) [3] => Array ( [ID] => 208 [FIELD_ID] => 146 [QUESTION_ID] => 146 [TIMESTAMP_X] => 10.07.2023 16:31:28 [MESSAGE] => Взять оборудование в тест [VALUE] => distr@qtech.ru [FIELD_TYPE] => dropdown [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 400 [ACTIVE] => Y ) [4] => Array ( [ID] => 209 [FIELD_ID] => 146 [QUESTION_ID] => 146 [TIMESTAMP_X] => 10.07.2023 16:31:28 [MESSAGE] => Техническая поддержка [VALUE] => qtech.intradesk.ru [FIELD_TYPE] => dropdown [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 500 [ACTIVE] => Y ) [5] => Array ( [ID] => 210 [FIELD_ID] => 146 [QUESTION_ID] => 146 [TIMESTAMP_X] => 10.07.2023 16:31:28 [MESSAGE] => Гарантийное обслуживание [VALUE] => guarantee@qtech.ru [FIELD_TYPE] => dropdown [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 600 [ACTIVE] => Y ) ) [VALUE] => ) [THEME_EMAIL_HIDDEN] => Array ( [CAPTION] => [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 211 [FIELD_ID] => 147 [QUESTION_ID] => 147 [TIMESTAMP_X] => 29.09.2022 19:39:49 [MESSAGE] => [VALUE] => [FIELD_TYPE] => hidden [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [TEXT] => Array ( [CAPTION] => Ваше сообщение... [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 203 [FIELD_ID] => 144 [QUESTION_ID] => 144 [TIMESTAMP_X] => 29.09.2022 18:14:54 [MESSAGE] => [VALUE] => [FIELD_TYPE] => textarea [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [check] => Array ( [CAPTION] => [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 204 [FIELD_ID] => 145 [QUESTION_ID] => 145 [TIMESTAMP_X] => 29.09.2022 18:14:54 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [FILES] => Array ( [CAPTION] => [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 232 [FIELD_ID] => 158 [QUESTION_ID] => 158 [TIMESTAMP_X] => 10.11.2022 15:06:06 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [INN] => Array ( [CAPTION] => ИНН [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 238 [FIELD_ID] => 164 [QUESTION_ID] => 164 [TIMESTAMP_X] => 24.08.2023 09:01:39 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [MANAGER] => Array ( [CAPTION] => Ваш менеджер QTECH [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 239 [FIELD_ID] => 165 [QUESTION_ID] => 165 [TIMESTAMP_X] => 24.08.2023 09:01:59 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [COOP_TYPE] => Array ( [CAPTION] => Тип сотрудничества* [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 240 [FIELD_ID] => 166 [QUESTION_ID] => 166 [TIMESTAMP_X] => 24.08.2023 09:02:46 [MESSAGE] => Конечный заказчик [VALUE] => [FIELD_TYPE] => dropdown [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) [1] => Array ( [ID] => 241 [FIELD_ID] => 166 [QUESTION_ID] => 166 [TIMESTAMP_X] => 24.08.2023 09:02:46 [MESSAGE] => Партнер/Дистрибьютор [VALUE] => [FIELD_TYPE] => dropdown [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 200 [ACTIVE] => Y ) ) [VALUE] => ) [ADDRESS] => Array ( [CAPTION] => Адрес объекта установки оборудования [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 242 [FIELD_ID] => 167 [QUESTION_ID] => 167 [TIMESTAMP_X] => 24.08.2023 09:03:21 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [NAME_OWNER] => Array ( [CAPTION] => Наименование заказчика* [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 243 [FIELD_ID] => 168 [QUESTION_ID] => 168 [TIMESTAMP_X] => 24.08.2023 09:03:50 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [INN_OWNER] => Array ( [CAPTION] => ИНН заказчика [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 244 [FIELD_ID] => 169 [QUESTION_ID] => 169 [TIMESTAMP_X] => 24.08.2023 09:04:16 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [OWNER_CITY] => Array ( [CAPTION] => Город заказчика* [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 245 [FIELD_ID] => 170 [QUESTION_ID] => 170 [TIMESTAMP_X] => 24.08.2023 09:04:39 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => class="form-control" [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) [TEMPLATE] => Array ( [CAPTION] => [IS_HTML_CAPTION] => N [REQUIRED] => N [IS_INPUT_CAPTION_IMAGE] => N [HTML_CODE] => [STRUCTURE] => Array ( [0] => Array ( [ID] => 246 [FIELD_ID] => 171 [QUESTION_ID] => 171 [TIMESTAMP_X] => 24.08.2023 09:05:04 [MESSAGE] => [VALUE] => [FIELD_TYPE] => text [FIELD_WIDTH] => 0 [FIELD_HEIGHT] => 0 [FIELD_PARAM] => [C_SORT] => 100 [ACTIVE] => Y ) ) [VALUE] => ) ) [SUBMIT_BUTTON] => [APPLY_BUTTON] => [RESET_BUTTON] => [REQUIRED_STAR] => * [CAPTCHA_IMAGE] => [CAPTCHA_FIELD] => [CAPTCHA] =>
    )

    Отправить запрос

    Внимание! Если вам необходима техническая поддержка создайте заявку в автоматизированной системе
    Через 5 секунд вы будете перенаправлены на страницу автоматизированной системы для создания обращения.
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    Что такое корпоративное хранилище данных (DWH) и зачем оно нужно бизнесу

    19 августа 2026

    DWH (Data Warehouse) — централизованное хранилище данных, объединяющее информацию из разных систем компании для аналитики и построения отчетов, в отличие от операционных баз данных, работающих с текущими транзакциями. Развертывание DWH требует серверной платформы с большим объемом оперативной памяти и высокой пропускной способностью дисковой подсистемы, например QSRV-2624B или QSRV-4624B от QTECH с поддержкой RAID 0, 1, 5, 6, 10, 50, 60 и SSD-кэширования.

    Компании, работающие с несколькими информационными системами — CRM, ERP, биллингом, — сталкиваются с проблемой разрозненности данных: для построения единого отчета аналитику приходится вручную сводить выгрузки из разных источников. Централизованное хранилище данных решает эту задачу, объединяя информацию в структуру, оптимизированную для аналитических запросов, а не для повседневных транзакций.

    Ниже разобрано понятие DWH простыми словами, отличие аналитической модели OLAP от транзакционной OLTP, практические причины внедрения хранилища в бизнесе и требования к серверному оборудованию для его развертывания.

    DWH (Data Warehouse) — простыми словами

    DWH — это база данных, специально спроектированная для хранения больших объемов исторической информации, собранной из разных источников компании, с целью последующего анализа. В отличие от рабочих систем, где данные постоянно обновляются, DWH хранит агрегированные и структурированные срезы данных за длительные периоды, что позволяет строить отчеты о динамике показателей.

    Данные в DWH попадают через ETL-процессы (Extract, Transform, Load): информация извлекается из исходных систем, преобразуется в единый формат и загружается в целевое хранилище. Именно на этой стандартизированной структуре строятся OLAP-кубы и отчеты BI-систем, используемые для принятия управленческих решений.

    Отличие DWH от классической операционной базы данных

    Операционная база данных (OLTP — Online Transaction Processing) оптимизирована для быстрой обработки большого числа коротких транзакций: создания заказа, обновления остатка на складе, регистрации платежа. DWH относится к классу OLAP (Online Analytical Processing) и оптимизировано для сложных агрегирующих запросов по большим объемам исторических данных, где скорость отдельной транзакции менее важна, чем скорость обработки массива данных целиком.

    ПараметрOLTP (операционная БД)OLAP / DWH (аналитическое хранилище)
    Тип запросовКороткие транзакции (INSERT, UPDATE)Сложные агрегирующие запросы (SELECT с группировками)
    Объем обрабатываемых данных за запросЕдиницы записейМиллионы записей
    Частота обновленияПостоянная, в реальном времениПериодическая, пакетная загрузка через ETL
    Оптимизация нагрузкиВысокая IOPS, низкая задержка записиВысокая пропускная способность последовательного чтения
    Типичное применениеCRM, биллинг, учетные системыBI-отчетность, OLAP-кубы, прогнозная аналитика

    Зачем компании разработка DWH

    Централизованное хранилище данных устраняет разрозненность информации между отдельными системами и создает единую версию данных для всей компании, что снижает число расхождений в отчетах разных отделов. Инженеры отмечают, что без DWH компании тратят значительное время на ручную сверку выгрузок из CRM, ERP и биллинга перед подготовкой управленческой отчетности.

    • Единая версия данных для всех подразделений компании вместо разрозненных выгрузок.
    • Ускорение подготовки отчетов за счет предварительно агрегированных структур OLAP-кубов.
    • Историческая аналитика: хранение данных за длительный период для анализа динамики показателей.
    • Основа для BI-систем и прогнозной аналитики, использующих регулярно обновляемые ETL-процессы.
    • Снижение нагрузки на операционные системы за счет переноса тяжелых аналитических запросов в отдельное хранилище.

    Какое оборудование требуется для развертывания Data Warehouse

    Аналитические запросы DWH обрабатывают значительно больший объем данных за одну операцию по сравнению с транзакционной нагрузкой, что предъявляет повышенные требования к объему оперативной памяти и пропускной способности дисковой подсистемы сервера. Практика эксплуатации показывает, что для DWH критична не столько скорость единичной записи, сколько суммарная пропускная способность при последовательном чтении больших массивов данных во время построения отчетов.

    Платформы хранения данных QTECH QSRV-2624B и QSRV-4624B построены на 4 процессорах Intel Xeon Cascade Lake Scalable с числом ядер до 20 и тепловым пакетом до 165 Вт; QSRV-2624B поддерживает до 16 модулей DDR4 RDIMM/LRDIMM с частотой до 2933 МГц, QSRV-4624B — до 12 модулей DDR4 RDIMM/LRDIMM с частотой до 3200 МГц, и обе платформы совместимы с гипервизорами VMware, Hyper-V, KVM, Proxmox и OpenStack для развертывания аналитических СУБД в виртуализованной среде. Аппаратный RAID-контроллер с поддержкой уровней 0, 1, 5, 6, 10, 50, 60, B3, B30 и возможностью SSD-кэширования обеспечивает баланс между емкостью хранения исторических данных и скоростью выполнения аналитических запросов.

    Можно ли развернуть DWH на обычном сервере без специализированной СХД?

    Технически развернуть DWH можно на любом сервере с достаточным объемом RAM и дискового пространства, однако при росте объема данных и числа параллельных аналитических запросов производительность обычного сервера быстро становится ограничивающим фактором. Платформы с аппаратным RAID и поддержкой SSD-кэширования, такие как QSRV-2624B, обеспечивают более предсказуемую производительность при масштабировании DWH.

    Какой объем оперативной памяти нужен для DWH?

    Объем RAM для DWH подбирается исходя из размера рабочего набора данных, участвующего в типичных аналитических запросах, и требуемой скорости построения отчетов. Платформы QTECH QSRV-4624B поддерживают до 12 модулей DDR4 RDIMM/LRDIMM с частотой до 3200 МГц, что дает запас для обработки объемных OLAP-запросов без выгрузки промежуточных данных на диск.

    Что такое OLAP-куб и как он связан с DWH?

    OLAP-куб — многомерная структура данных, построенная на основе информации из DWH, которая позволяет быстро получать агрегированные показатели в различных разрезах: по времени, региону, продукту. Именно наличие централизованного хранилища данных с регулярно обновляемыми через ETL структурами делает построение OLAP-кубов возможным и эффективным.

    Как часто обновляются данные в DWH?

    Частота обновления DWH определяется бизнес-требованиями и обычно происходит через пакетную загрузку данных по расписанию — раз в час, сутки или неделю, в отличие от операционных систем, обновляющихся в реальном времени. ETL-процессы, отвечающие за загрузку, планируются с учетом нагрузки на исходные системы и требуемой актуальности отчетов для BI-аналитики.

    Подходят ли решения QTECH для крупных корпоративных DWH-проектов?

    Да, платформы хранения данных QTECH QSRV-2624B и QSRV-4624B рассчитаны на корпоративный сегмент и поддерживают протоколы iSCSI, NFS для интеграции с серверами баз данных, а также кластеризацию Active-Active с ALUA для отказоустойчивости. Это делает их применимыми для DWH-проектов масштаба крупного предприятия, ЦОД или организации с государственным участием.


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