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feat: enlarge default page cache size #4490

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Aug 2, 2024
Merged

feat: enlarge default page cache size #4490

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5 changes: 4 additions & 1 deletion src/mito2/src/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,8 @@ const SST_META_CACHE_SIZE_FACTOR: u64 = 32;
const INDEX_CONTENT_CACHE_SIZE_FACTOR: u64 = 32;
/// Use `1/MEM_CACHE_SIZE_FACTOR` of OS memory size as mem cache size in default mode
const MEM_CACHE_SIZE_FACTOR: u64 = 16;
/// Use `1/PAGE_CACHE_SIZE_FACTOR` of OS memory size as page cache size in default mode
const PAGE_CACHE_SIZE_FACTOR: u64 = 8;
/// Use `1/INDEX_CREATE_MEM_THRESHOLD_FACTOR` of OS memory size as mem threshold for creating index
const INDEX_CREATE_MEM_THRESHOLD_FACTOR: u64 = 16;

Expand Down Expand Up @@ -236,12 +238,13 @@ impl MitoConfig {
);
// shouldn't be greater than 512MB in default mode.
let mem_cache_size = cmp::min(sys_memory / MEM_CACHE_SIZE_FACTOR, ReadableSize::mb(512));
let page_cache_size = sys_memory / PAGE_CACHE_SIZE_FACTOR;

self.global_write_buffer_size = global_write_buffer_size;
self.global_write_buffer_reject_size = global_write_buffer_reject_size;
self.sst_meta_cache_size = sst_meta_cache_size;
self.vector_cache_size = mem_cache_size;
self.page_cache_size = mem_cache_size;
self.page_cache_size = page_cache_size;
self.selector_result_cache_size = mem_cache_size;
}

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