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Memory usage optimization (#5526)

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This commit is contained in:
Arkadiy Paronyan
2017-05-02 11:40:03 +02:00
committed by Gav Wood
parent c39da9643e
commit da2f684f18
6 changed files with 18 additions and 16 deletions
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3
util/src/kvdb.rs
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@@ -35,6 +35,7 @@ use std::fs::File;
const DB_BACKGROUND_FLUSHES: i32 = 2;
const DB_BACKGROUND_COMPACTIONS: i32 = 2;
const DB_WRITE_BUFFER_SIZE: usize = 2048 * 1000;
/// Required length of prefixes.
pub const PREFIX_LEN: usize = 12;
@@ -440,6 +441,7 @@ fn col_config(col: u32, config: &DatabaseConfig) -> Options {
opts.set_compaction_style(DBCompactionStyle::DBUniversalCompaction);
opts.set_target_file_size_base(config.compaction.initial_file_size);
opts.set_target_file_size_multiplier(config.compaction.file_size_multiplier);
opts.set_db_write_buffer_size(DB_WRITE_BUFFER_SIZE);
let col_opt = config.columns.map(|_| col);
@@ -487,6 +489,7 @@ impl Database {
opts.set_max_open_files(config.max_open_files);
opts.create_if_missing(true);
opts.set_use_fsync(false);
opts.set_db_write_buffer_size(DB_WRITE_BUFFER_SIZE);
opts.set_max_background_flushes(DB_BACKGROUND_FLUSHES);
opts.set_max_background_compactions(DB_BACKGROUND_COMPACTIONS);