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LSMeta

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This commit is contained in:
Vitaliy Filippov
2025-12-02 01:52:12 +03:00
parent 7ab60c00ab
commit e512e1eeb1
7 changed files with 1761 additions and 2649 deletions
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src/blockstore/blockstore_disk.cpp
+1 -11
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@@ -48,7 +48,6 @@ void blockstore_disk_t::parse_config(std::map<std::string, std::string> & config
disk_alignment = parse_size(config["disk_alignment"]);
journal_block_size = parse_size(config["journal_block_size"]);
meta_block_size = parse_size(config["meta_block_size"]);
meta_block_target_free_space = parse_size(config["meta_block_target_free_space"]);
bitmap_granularity = parse_size(config["bitmap_granularity"]);
meta_format = stoull_full(config["meta_format"]);
atomic_write_size = (config.find("atomic_write_size") != config.end()
@@ -154,14 +153,6 @@ void blockstore_disk_t::parse_config(std::map<std::string, std::string> & config
{
throw std::runtime_error("meta_block_size must not exceed "+std::to_string(MAX_DATA_BLOCK_SIZE));
}
if (!meta_block_target_free_space)
{
meta_block_target_free_space = 800;
}
if (meta_block_target_free_space >= meta_block_size)
{
throw std::runtime_error("meta_block_target_free_space must not exceed "+std::to_string(meta_block_size));
}
if (data_offset % disk_alignment)
{
throw std::runtime_error("data_offset must be a multiple of disk_alignment = "+std::to_string(disk_alignment));
@@ -275,8 +266,7 @@ void blockstore_disk_t::calc_lengths()
? data_block_size/csum_block_size*(data_csum_type & 0xFF) : 0);
if (meta_format == BLOCKSTORE_META_FORMAT_HEAP)
{
uint32_t entries_per_block = ((meta_block_size-meta_block_target_free_space) /
(sizeof(heap_object_t) + sizeof(heap_write_t) + clean_dyn_size));
uint32_t entries_per_block = meta_block_size / (sizeof(heap_big_write_t) + clean_dyn_size);
min_meta_len = (block_count+entries_per_block-1) / entries_per_block * meta_block_size;
}
else if (meta_format == BLOCKSTORE_META_FORMAT_V1)