........................................................................................ 696 MON$MEMORY_USAGE .......................................................................................... Класс ошибок HY (условия CLI- specific) HY000 CLI-specific condition Условия CLI-specific HY001 Memory allocation error Ошибка выделения памяти HY003 Invalid data type in application descriptor установлен сейчас HY012 Invalid transaction operation code Неверный код транзакции операции HY013 Memory management error Ошибка управления памятью HY014 Limit on the number of handles exceeded Достигнут

2020.23) 278 / 305 20.15 Memory dump [!memory_dump] 20 PREPROCESSING @enduml 20.15 Memory dump [!memory_dump] You can use !memory_dump to dump the full content of the memory when generating the diagram after !memory_dump. This has no impact at all on the diagram itself. This could be useful for debug purpose. @startuml !function $inc($string) !$val = %intval($string) !log value is $val !dump_memory !return return $val+1 !endfunction Alice -> Bob : 4 $inc("3") !unused = "foo" !dump_memory EOF @enduml 20.16 Assertion [!assert] You can put assertions in your diagram. @startuml Alice -> Bob : Hello !assert

2020.22) 266 / 293 20.15 Memory dump [!memory_dump] 20 PREPROCESSING @enduml 20.15 Memory dump [!memory_dump] You can use !memory_dump to dump the full content of the memory when generating the diagram after !memory_dump. This has no impact at all on the diagram itself. This could be useful for debug purpose. @startuml !function $inc($string) !$val = %intval($string) !log value is $val !dump_memory !return return $val+1 !endfunction Alice -> Bob : 4 $inc("3") !unused = "foo" !dump_memory EOF @enduml 20.16 Assertion [!assert] You can put assertions in your diagram. @startuml Alice -> Bob : Hello !assert

19.12 Memory dump 19 PREPROCESSING 19.12 Memory dump You can use !memory_dump to dump the full content of the memory when generating the diagram. An optional string can be put after !memory_dump. This $inc($string) !$val = %intval($string) !log value is $val !dump_memory !return $val+1 !endfunction Alice -> Bob : 4 $inc("3") !unused = "foo" !dump_memory EOF @enduml 19.13 Assertion You can put assertion in artWebPage, "Active Part of the web page \n 'on the fly'") Technology_Artifact(inMemoryItem,"in memory / 'on the fly' html/javascript") Technology_Service(internetBrowser, "Internet Browser Generic &

second call") @enduml 19.12 Memory dump You can use !memory_dump to dump the full content of the memory when generating the diagram. An optional string can be put after !memory_dump. This has no impact at dump_memory !return $val+1 !endfunction Alice -> Bob : 4 $inc("3") Справочное руководство по языку PlantUML (1.2019.6) 152 / 172 19.13 Assertion 19 PREPROCESSING !unused = "foo" !dump_memory EOF @enduml artWebPage, "Active Part of the web page \n 'on the fly'") Technology_Artifact(inMemoryItem,"in memory / 'on the fly' html/javascript") Technology_Service(internetBrowser, "Internet Browser Generic &

call") @enduml 25.15 Memory dump [!memory_dump] You can use !memory_dump to dump the full content of the memory when generating the diagram. An optional string can be put after !memory_dump. This has no debug purpose. @startuml !function $inc($string) !$val = %intval($string) !log value is $val !dump_memory Справочное руководство по языку PlantUML (1.2021.2) 350 / 387 25.16 Assertion [!assert] 25 PREPROCESSING PREPROCESSING !return $val+1 !endfunction Alice -> Bob : 4 $inc("3") !unused = "foo" !dump_memory EOF @enduml 25.16 Assertion [!assert] You can put assertions in your diagram. @startuml Alice -> Bob

call") @enduml 24.15 Memory dump [!memory_dump] You can use !memory_dump to dump the full content of the memory when generating the diagram. An optional string can be put after !memory_dump. This has no debug purpose. @startuml !function $inc($string) !$val = %intval($string) !log value is $val !dump_memory Справочное руководство по языку PlantUML (1.2021.1) 345 / 382 24.16 Assertion [!assert] 24 PREPROCESSING PREPROCESSING !return $val+1 !endfunction Alice -> Bob : 4 $inc("3") !unused = "foo" !dump_memory EOF @enduml 24.16 Assertion [!assert] You can put assertions in your diagram. @startuml Alice -> Bob

(1.2023.11) 509 / 553 25.14 Memory dump [!dump_memory] 25 PREPROCESSING 25.14 Memory dump [!dump_memory] You can use !dump_memory to dump the full content of the memory when generating the diagram. !dump_memory. This has no impact at all on the diagram itself. This could be useful for debug purpose. @startuml !function $inc($string) !$val = %intval($string) !log value is $val !dump_memory !return return $val+1 !endfunction Alice -> Bob : 4 $inc("3") !unused = "foo" !dump_memory EOF @enduml 25.15 Assertion [!assert] You can put assertions in your diagram. @startuml Alice -> Bob : Hello !assert %strpos("abcdef"

call") @enduml 25.15 Memory dump [!memory_dump] You can use !memory_dump to dump the full content of the memory when generating the diagram. An optional string can be put after !memory_dump. This has no debug purpose. @startuml !function $inc($string) !$val = %intval($string) !log value is $val !dump_memory Справочное руководство по языку PlantUML (1.2021.2) 367 / 405 25.16 Assertion [!assert] 25 PREPROCESSING PREPROCESSING !return $val+1 !endfunction Alice -> Bob : 4 $inc("3") !unused = "foo" !dump_memory EOF @enduml 25.16 Assertion [!assert] You can put assertions in your diagram. @startuml Alice -> Bob

Compressed logs and snapshots • No issues with zxid overflow • No issues with large packets • Better memory usage • No issues with GC and Java heap 2. Может запускаться встроенным в clickhouse-server • Нет Сложность разделения ресурсов 21 • Разделение CPU и IO между запросами • Приоритеты запросов • Memory overcommit Недостаточные возможности по интеграции 22 • Нет родного UI для ClickHouse • Не