[feature](file cache) Support in-memory filecache for no-disk/slow-disk system#38811
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gavinchou merged 12 commits intoapache:masterfrom Sep 24, 2024
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[feature](file cache) Support in-memory filecache for no-disk/slow-disk system#38811gavinchou merged 12 commits intoapache:masterfrom
gavinchou merged 12 commits intoapache:masterfrom
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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| namespace doris::io { | ||
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| MemFileCacheStorage::~MemFileCacheStorage() {} |
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warning: use '= default' to define a trivial destructor [modernize-use-equals-default]
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| MemFileCacheStorage::~MemFileCacheStorage() {} | |
| MemFileCacheStorage::~MemFileCacheStorage() = default; |
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Aug 19, 2024
| namespace doris::io { | ||
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| struct MemBlock { | ||
| std::shared_ptr<char> addr; |
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why not just a std::string
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It is a memory address pointing to a char array (a continous memory block), so I think it should be std::shared_ptr<char[]> instead?
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TODO: config: for extensibility, use another json field instead of 'memory' in path |
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Sry for this hanging WIP PR, I've been dealing with more urgent tasks. I will return to this ASAP! |
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| LOG_ERROR("").tag("file cache path", cache_base_path).tag("error", strerror(errno)); | ||
| return Status::IOError("{} statfs error {}", cache_base_path, strerror(errno)); | ||
| } | ||
| size_t disk_capacity = static_cast<size_t>( |
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warning: use auto when initializing with a cast to avoid duplicating the type name [modernize-use-auto]
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| size_t disk_capacity = static_cast<size_t>( | |
| auto disk_capacity = static_cast<size_t>( |
| } | ||
| } | ||
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| void test_file_cache_memory_storage(io::FileCacheType cache_type) { |
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warning: function 'test_file_cache_memory_storage' exceeds recommended size/complexity thresholds [readability-function-size]
void test_file_cache_memory_storage(io::FileCacheType cache_type) {
^Additional context
be/test/io/cache/block_file_cache_test.cpp:659: 397 lines including whitespace and comments (threshold 80)
void test_file_cache_memory_storage(io::FileCacheType cache_type) {
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| TEST_F(BlockFileCacheTest, ttl_modify_memory_storage) { | ||
| test_file_cache_memory_storage(io::FileCacheType::NORMAL); | ||
| auto sp = SyncPoint::get_instance(); |
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warning: 'auto sp' can be declared as 'auto *sp' [readability-qualified-auto]
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| auto sp = SyncPoint::get_instance(); | |
| L);auto * |
| } | ||
| } | ||
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| void test_file_cache_memory_storage(io::FileCacheType cache_type) { |
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warning: function 'test_file_cache_memory_storage' exceeds recommended size/complexity thresholds [readability-function-size]
void test_file_cache_memory_storage(io::FileCacheType cache_type) {
^Additional context
be/test/io/cache/block_file_cache_test.cpp:659: 389 lines including whitespace and comments (threshold 80)
void test_file_cache_memory_storage(io::FileCacheType cache_type) {
^
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run buildall |
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run buildall |
TPC-H: Total hot run time: 38581 ms |
TPC-DS: Total hot run time: 187710 ms |
ClickBench: Total hot run time: 31.52 s |
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TeamCity be ut coverage result: |
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TPC-H: Total hot run time: 41403 ms |
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run buildall |
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PR approved by at least one committer and no changes requested. |
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TPC-DS: Total hot run time: 191044 ms |
ClickBench: Total hot run time: 32.17 s |
TODO: 1. 优化 内存池 2. 写入、读取数据内存零拷贝 3. 原始一些代码的重构（很多fs相关的内容散布在 block_file_cache.cpp 里, 需要进行额外的清理） Signed-off-by: freemandealer <freeman.zhang1992@gmail.com>
Signed-off-by: freemandealer <freeman.zhang1992@gmail.com>
Signed-off-by: freemandealer <freeman.zhang1992@gmail.com>
Signed-off-by: freemandealer <freeman.zhang1992@gmail.com>
Signed-off-by: freemandealer <freeman.zhang1992@gmail.com>
Signed-off-by: freemandealer <freeman.zhang1992@gmail.com>
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PR approved by at least one committer and no changes requested. |
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TeamCity be ut coverage result: |
TPC-H: Total hot run time: 41701 ms |
TPC-DS: Total hot run time: 191397 ms |
ClickBench: Total hot run time: 32.42 s |
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…sk system (#38811) User can set file_cache_path=[{..., "storage":"memory"}] to use RAM as file cache storage.
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User can set file_cache_path=[{..., "storage":"memory"}] to use RAM as file cache storage.