| /// Values larger than this become blob files | |
| pub const MAX_MEDIUM_VALUE_SIZE: usize = 64 * 1024 * 1024; | |
| /// Values larger than this become separate value blocks | |
| // Note this must fit into 2 bytes length | |
| pub const MAX_SMALL_VALUE_SIZE: usize = 64 * 1024 - 1; | |
| /// Maximum number of entries per SST file | |
| pub const MAX_ENTRIES_PER_INITIAL_FILE: usize = 256 * 1024; | |
| /// Maximum number of entries per SST file | |
| pub const MAX_ENTRIES_PER_COMPACTED_FILE: usize = 1024 * 1024; | |
| /// Finish file when total amount of data exceeds this | |
| pub const DATA_THRESHOLD_PER_INITIAL_FILE: usize = 64 * 1024 * 1024; | |
| /// Finish file when total amount of data exceeds this | |
| pub const DATA_THRESHOLD_PER_COMPACTED_FILE: usize = 256 * 1024 * 1024; | |
| /// Reduction factor (as bit shift) for the size of the thread-local buffer as shift of | |
| /// MAX_ENTRIES_PER_INITIAL_FILE and DATA_THRESHOLD_PER_INITIAL_FILE. | |
| pub const THREAD_LOCAL_SIZE_SHIFT: usize = 7; | |
| /// Maximum RAM bytes for AQMF cache | |
| pub const AQMF_CACHE_SIZE: u64 = 300 * 1024 * 1024; | |
| pub const AQMF_AVG_SIZE: usize = 37399; | |
| /// Maximum RAM bytes for key block cache | |
| pub const KEY_BLOCK_CACHE_SIZE: u64 = 400 * 1024 * 1024; | |
| pub const KEY_BLOCK_AVG_SIZE: usize = 16 * 1024; | |
| /// Maximum RAM bytes for value block cache | |
| pub const VALUE_BLOCK_CACHE_SIZE: u64 = 300 * 1024 * 1024; | |
| pub const VALUE_BLOCK_AVG_SIZE: usize = 132000; | |