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Diffstat (limited to '')
| -rw-r--r-- | src/Cache.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/Cache.cpp b/src/Cache.cpp index 79a5ea04..9782ee99 100644 --- a/src/Cache.cpp +++ b/src/Cache.cpp @@ -46,10 +46,16 @@ static const std::string_view OLM_ACCOUNT_KEY("olm_account"); static const std::string_view CACHE_FORMAT_VERSION_KEY("cache_format_version"); static const std::string_view CURRENT_ONLINE_BACKUP_VERSION("current_online_backup_version"); +constexpr auto MAX_DBS = 32384UL; +#if Q_PROCESSOR_WORDSIZE == 8 // 64-bit +constexpr auto DB_SIZE = 32ULL * 1024ULL * 1024ULL * 1024ULL; // 32 GB constexpr size_t MAX_RESTORED_MESSAGES = 30'000; - -constexpr auto DB_SIZE = 32ULL * 1024ULL * 1024ULL * 1024ULL; // 32 GB -constexpr auto MAX_DBS = 32384UL; +#elif Q_PROCESSOR_WORDSIZE == 4 // 32-bit address space limits mmaps +constexpr auto DB_SIZE = 1ULL * 1024ULL * 1024ULL * 1024ULL; // 1 GB +constexpr size_t MAX_RESTORED_MESSAGES = 5'000; +#else +#error unknown word size on target CPU +#endif constexpr auto BATCH_SIZE = 100; //! Cache databases and their format. |