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Code Issues Releases Wiki Activity

AUP3: Change database blocksize to 64KB

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Preliminary tests show it to be a bit faster than the default
4KB.  For a simple example, generate 2-hour chirp dropped from
11 seconds to 7 seconds.  Not a lot, but...
This commit is contained in:
Leland Lucius 2020-07-03 20:43:53 -05:00
parent f3816b30d9
commit 4f129ae0af
2 changed files with 3 additions and 6 deletions
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3
cmake-proxies/sqlite/CMakeLists.txt
View File

@ -20,7 +20,8 @@ list( APPEND DEFINES
PRIVATE
SQLITE_ENABLE_SNAPSHOT=1
SQLITE_DQS=0
# SQLITE_THREADSAFE=0
# SQLITE_DEFAULT_PAGE_SIZE=4096
SQLITE_DEFAULT_PAGE_SIZE=65536
SQLITE_DEFAULT_MEMSTATUS=0
SQLITE_DEFAULT_WAL_SYNCHRONOUS=1
SQLITE_LIKE_DOESNT_MATCH_BLOBS

6
src/ProjectFileIO.cpp
View File

@ -31,8 +31,6 @@ wxDEFINE_EVENT(EVT_PROJECT_TITLE_CHANGE, wxCommandEvent);
static const int ProjectFileID = ('A' << 24 | 'U' << 16 | 'D' << 8 | 'Y');
static const int ProjectFileVersion = 1;
static const int ProjectFilePageSize = 4096;
// Navigation:
//
@ -45,7 +43,6 @@ static const int ProjectFilePageSize = 4096;
static const char *ProjectFileSchema =
"PRAGMA application_id = %d;"
"PRAGMA user_version = %d;"
"PRAGMA page_size = %d;"
"PRAGMA journal_mode = WAL;"
"PRAGMA locking_mode = EXCLUSIVE;"
""
@ -595,8 +592,7 @@ bool ProjectFileIO::InstallSchema()
sql,
ProjectFileSchema,
ProjectFileID,
ProjectFileVersion,
ProjectFilePageSize);
ProjectFileVersion);
rc = sqlite3_exec(db, sql, nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)