| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "sql/sql_features.h" |
| |
| namespace sql { |
| |
| namespace features { |
| |
| // Skip the logic for preloading databases. |
| // |
| // Enabling this feature turns sql::Database::Preload() into a noop. |
| // https://crbug.com/243949 suggests that sql::Database::Preload() was added |
| // without any proper benchmarking, and the logic is a pessimization for modern |
| // OS schedulers. |
| // |
| // TODO(pwnall): After the performance impact of the change is assessed, remove |
| // sql::Database::Preload() and this flag. |
| const base::Feature kSqlSkipPreload{"SqlSkipPreload", |
| base::FEATURE_DISABLED_BY_DEFAULT}; |
| |
| // Enable WAL mode for all SQLite databases. |
| const base::Feature kEnableWALModeByDefault{"EnableWALModeByDefault", |
| base::FEATURE_DISABLED_BY_DEFAULT}; |
| |
| } // namespace features |
| |
| } // namespace sql |