diff --git a/HISTORY.md b/HISTORY.md index 88bc0fd40..30dbdc922 100644 --- a/HISTORY.md +++ b/HISTORY.md @@ -14,7 +14,7 @@ * Rate limited deletion of WALs is only enabled if DBOptions::wal_dir is not set, or explicitly set to db_name passed to DB::Open and DBOptions::db_paths is empty, or same as db_paths[0].path ### New Features -* Add an option `snap_refresh_nanos` (default to 0.1s) to periodically refresh the snapshot list in compaction jobs. Assign to 0 to disable the feature. +* Add an option `snap_refresh_nanos` (default to 0) to periodically refresh the snapshot list in compaction jobs. Assign to 0 to disable the feature. * Add an option `unordered_write` which trades snapshot guarantees with higher write throughput. When used with WRITE_PREPARED transactions with two_write_queues=true, it offers higher throughput with however no compromise on guarantees. * Allow DBImplSecondary to remove memtables with obsolete data after replaying MANIFEST and WAL. * Add an option `failed_move_fall_back_to_copy` (default is true) for external SST ingestion. When `move_files` is true and hard link fails, ingestion falls back to copy if `failed_move_fall_back_to_copy` is true. Otherwise, ingestion reports an error. diff --git a/include/rocksdb/options.h b/include/rocksdb/options.h index fe5617fb5..efc75c807 100644 --- a/include/rocksdb/options.h +++ b/include/rocksdb/options.h @@ -275,10 +275,10 @@ struct ColumnFamilyOptions : public AdvancedColumnFamilyOptions { // this option helps reducing the cpu usage of long-running compactions. The // feature is disabled when max_subcompactions is greater than one. // - // Default: 0.1s + // Default: 0 // // Dynamically changeable through SetOptions() API - uint64_t snap_refresh_nanos = 100 * 1000 * 1000; // 0.1s + uint64_t snap_refresh_nanos = 0; // Disable automatic compactions. Manual compactions can still // be issued on this column family