-C Add\sthe\skvtest.c\stest\sprogram\sfor\smeasuring\skey/value\sread\sperformance\sunder\nvarious\sscenarios.
-D 2016-12-29T03:57:43.130
+C Improvements\sto\sthe\skvtest.c\sutility.\s\sAdded\sthe\s--cache-size\soption.\nAdditional\sreporting\sof\sversion\sand\ssettings\sat\sthe\send\sof\s"./kvtest\srun".
+D 2016-12-29T14:44:43.614
F Makefile.in 41bd4cad981487345c4a84081074bcdb876e4b2e
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc b8ca53350ae545e3562403d5da2a69cec79308da
F test/json102.test bf3fe7a706d30936a76a0f7a0375e1e8e73aff5a
F test/json103.test c5f6b85e69de05f6b3195f9f9d5ce9cd179099a0
F test/keyword1.test 37ef6bba5d2ed5b07ecdd6810571de2956599dff
-F test/kvtest.c 1f8e6f0352ebb0ef4179cd7968af594eee130d57
+F test/kvtest.c c3dac524f2eb0f73dbeea6c20f5154cfeaf17cbb
F test/lastinsert.test 42e948fd6442f07d60acbd15d33fb86473e0ef63
F test/laststmtchanges.test ae613f53819206b3222771828d024154d51db200
F test/like.test 0603f4fa0dad50987f70032c05800cbfa8985302
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P a6af06f164b1f65779e2171ec4946119c66f9be8
-R a9bf163ca1249527027c884b8ea94c96
-T *branch * kvtest
-T *sym-kvtest *
-T -sym-trunk *
+P 489e0787c1ea47963174387e8ade6295ceff568e
+R a988144fafa83a0cd326685ae38da518
U drh
-Z fb835c04c55072b05b31100f6eb7b616
+Z 4424d9424f7545651642c0148887a562
" Run a performance test. DBFILE can be either the name of a\n"
" database or a directory containing sample files. Options:\n"
"\n"
-" --count N Read N blobs\n"
+" --asc Read blobs in ascending order\n"
" --blob-api Use the BLOB API\n"
-" --random Read blobs in a random order\n"
+" --cache-size N Database cache size\n"
+" --count N Read N blobs\n"
" --desc Read blobs in descending order\n"
" --max-id N Maximum blob key to use\n"
+" --random Read blobs in a random order\n"
" --start N Start reading with this blob key\n"
;
int nExtra = 0; /* Extra cycles */
int iKey = 1; /* Next blob key */
int iMax = 1000; /* Largest allowed key */
+ int iPagesize = 0; /* Database page size */
+ int iCache = 1000; /* Database cache size in kibibytes */
int bBlobApi = 0; /* Use the incremental blob I/O API */
int eOrder = ORDER_ASC; /* Access order */
sqlite3 *db = 0; /* Database connection */
if( iKey<1 ) fatalError("the --start must be positive");
continue;
}
+ if( strcmp(z, "-cache-size")==0 ){
+ if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
+ iCache = atoi(argv[++i]);
+ continue;
+ }
if( strcmp(z, "-random")==0 ){
eOrder = ORDER_RANDOM;
continue;
}
tmStart = timeOfDay();
if( eType==PATH_DB ){
+ char *zSql;
rc = sqlite3_open(zDb, &db);
if( rc ){
fatalError("cannot open database \"%s\": %s", zDb, sqlite3_errmsg(db));
}
+ zSql = sqlite3_mprintf("PRAGMA cache_size=%d", iCache);
+ sqlite3_exec(db, zSql, 0, 0, 0);
+ sqlite3_free(zSql);
+ pStmt = 0;
+ sqlite3_prepare_v2(db, "PRAGMA page_size", -1, &pStmt, 0);
+ if( sqlite3_step(pStmt)==SQLITE_ROW ){
+ iPagesize = sqlite3_column_int(pStmt, 0);
+ }
+ sqlite3_finalize(pStmt);
+ sqlite3_prepare_v2(db, "PRAGMA cache_size", -1, &pStmt, 0);
+ if( sqlite3_step(pStmt)==SQLITE_ROW ){
+ iCache = sqlite3_column_int(pStmt, 0);
+ }else{
+ iCache = 0;
+ }
+ sqlite3_finalize(pStmt);
+ pStmt = 0;
sqlite3_exec(db, "BEGIN", 0, 0, 0);
}
for(i=0; i<nCount; i++){
if( nExtra ){
printf("%d cycles due to %d misses\n", nCount, nExtra);
}
+ if( eType==PATH_DB ){
+ printf("SQLite version: %s\n", sqlite3_libversion());
+ }
+ printf("--count %d --max-id %d --cache-size %d", nCount-nExtra, iMax, iCache);
+ switch( eOrder ){
+ case ORDER_RANDOM: printf(" --random\n"); break;
+ case ORDER_DESC: printf(" --desc\n"); break;
+ default: printf(" --asc\n"); break;
+ }
+ if( iPagesize ) printf("Database page size: %d\n", iPagesize);
printf("Total elapsed time: %.3f\n", tmElapsed/1000.0);
printf("Microseconds per BLOB read: %.3f\n", tmElapsed*1000.0/nCount);
printf("Content read rate: %.1f MB/s\n", nTotal/(1000.0*tmElapsed));