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Comment:Add the --nocheckpoint and --multitrans options to kvtest.
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SHA3-256: 5828633c2392274b6863b50eaffbb2a176a4d892e83542824a9a3f0d1b62c967
User & Date: drh 2017-06-03 15:17:21
Context
2017-06-03
17:24
In kvtest, add the ability to work with a hierarchy of files on disk, in addition to having all files in the same directory. (check-in: f568f666 user: drh tags: trunk)
15:17
Add the --nocheckpoint and --multitrans options to kvtest. (check-in: 5828633c user: drh tags: trunk)
2017-06-02
23:32
Add the --fsync flag to kvtest, and document the --nosync flag. (check-in: 7fdc78a6 user: drh tags: trunk)
Changes
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Changes to test/kvtest.c. 

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"           --cache-size N         Database cache size\n"
"           --count N              Read N blobs\n"
"           --desc                 Read blobs in descending order\n"
"           --fsync                Synchronous file writes\n"
"           --integrity-check      Run \"PRAGMA integrity_check\" after test\n"
"           --max-id N             Maximum blob key to use\n"
"           --mmap N               Mmap as much as N bytes of DBFILE\n"


"           --nosync               Set \"PRAGMA synchronous=OFF\"\n"
"           --jmode MODE           Set MODE journal mode prior to starting\n"
"           --random               Read blobs in a random order\n"
"           --start N              Start reading with this blob key\n"
"           --stats                Output operating stats before exiting\n"
"           --update               To an overwrite test\n"
;

/* Reference resources used */
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
................................................................................
  int bBlobApi = 0;           /* Use the incremental blob I/O API */
  int bStats = 0;             /* Print stats before exiting */
  int eOrder = ORDER_ASC;     /* Access order */
  int isUpdateTest = 0;       /* Do in-place updates rather than reads */
  int doIntegrityCk = 0;      /* Run PRAGMA integrity_check after the test */
  int noSync = 0;             /* Disable synchronous mode */
  int doFsync = 0;            /* Update disk files synchronously */


  sqlite3 *db = 0;            /* Database connection */
  sqlite3_stmt *pStmt = 0;    /* Prepared statement for SQL access */
  sqlite3_blob *pBlob = 0;    /* Handle for incremental Blob I/O */
  sqlite3_int64 tmStart;      /* Start time */
  sqlite3_int64 tmElapsed;    /* Elapsed time */
  int mmapSize = 0;           /* --mmap N argument */
  int nData = 0;              /* Bytes of data */
................................................................................
  eType = pathType(zDb);
  if( eType==PATH_OTHER ) fatalError("unknown object type: \"%s\"", zDb);
  if( eType==PATH_NEXIST ) fatalError("object does not exist: \"%s\"", zDb);
  for(i=3; i<argc; i++){
    char *z = argv[i];
    if( z[0]!='-' ) fatalError("unknown argument: \"%s\"", z);
    if( z[1]=='-' ) z++;













    if( strcmp(z, "-count")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      nCount = integerValue(argv[++i]);
      if( nCount<1 ) fatalError("the --count must be positive");
      continue;

















    }
    if( strcmp(z, "-mmap")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      mmapSize = integerValue(argv[++i]);
      if( nCount<0 ) fatalError("the --mmap must be non-negative");
      continue;
    }
    if( strcmp(z, "-max-id")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      iMax = integerValue(argv[++i]);
      continue;
    }
    if( strcmp(z, "-start")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      iKey = integerValue(argv[++i]);
      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 = integerValue(argv[++i]);

      continue;
    }
    if( strcmp(z, "-jmode")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      zJMode = argv[++i];

      continue;
    }
    if( strcmp(z, "-random")==0 ){
      eOrder = ORDER_RANDOM;
      continue;
    }
    if( strcmp(z, "-asc")==0 ){
      eOrder = ORDER_ASC;
      continue;
    }
    if( strcmp(z, "-desc")==0 ){
      eOrder = ORDER_DESC;
      continue;
    }
    if( strcmp(z, "-blob-api")==0 ){
      bBlobApi = 1;

      continue;
    }
    if( strcmp(z, "-stats")==0 ){
      bStats = 1;
      continue;
    }
    if( strcmp(z, "-update")==0 ){
      isUpdateTest = 1;
      continue;
    }
    if( strcmp(z, "-integrity-check")==0 ){
      doIntegrityCk = 1;
      continue;
    }
    if( strcmp(z, "-nosync")==0 ){
      noSync = 1;
      continue;
    }
    if( strcmp(z, "-fsync")==0 ){
      doFsync = 1;
      continue;
    }
    fatalError("unknown option: \"%s\"", argv[i]);
  }
  if( eType==PATH_DB ){
    /* Recover any prior crashes prior to starting the timer */
    sqlite3_open(zDb, &db);
    sqlite3_exec(db, "SELECT rowid FROM sqlite_master LIMIT 1", 0, 0, 0);
    sqlite3_close(db);
................................................................................
    }
    sqlite3_finalize(pStmt);
    pStmt = 0;
    if( zJMode ){
      zSql = sqlite3_mprintf("PRAGMA journal_mode=%Q", zJMode);
      sqlite3_exec(db, zSql, 0, 0, 0);
      sqlite3_free(zSql);



    }
    sqlite3_prepare_v2(db, "PRAGMA journal_mode", -1, &pStmt, 0);
    if( sqlite3_step(pStmt)==SQLITE_ROW ){
      zJMode = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0));
    }else{
      zJMode = "???";
    }
................................................................................
      sqlite3_prepare_v2(db, "SELECT max(k) FROM kv", -1, &pStmt, 0);
      if( sqlite3_step(pStmt)==SQLITE_ROW ){
        iMax = sqlite3_column_int(pStmt, 0);
      }
      sqlite3_finalize(pStmt);
    }
    pStmt = 0;
    sqlite3_exec(db, "BEGIN", 0, 0, 0);
  }
  if( iMax<=0 ) iMax = 1000;
  for(i=0; i<nCount; i++){
    if( eType==PATH_DIR ){
      /* CASE 1: Reading blobs out of separate files */
      char *zKey;
      zKey = sqlite3_mprintf("%s/%06d", zDb, iKey);
................................................................................
  if( nAlloc ) sqlite3_free(pData);
  if( pStmt ) sqlite3_finalize(pStmt);
  if( pBlob ) sqlite3_blob_close(pBlob);
  if( bStats ){
    display_stats(db, 0);
  }
  if( db ){
    sqlite3_exec(db, "COMMIT", 0, 0, 0);

    sqlite3_close(db);

  }

  tmElapsed = timeOfDay() - tmStart;




  if( nExtra ){
    printf("%d cycles due to %d misses\n", nCount, nExtra);
  }
  if( eType==PATH_DB ){
    printf("SQLite version: %s\n", sqlite3_libversion());
    if( doIntegrityCk ){
      sqlite3_open(zDb, &db);








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"           --cache-size N         Database cache size\n"
"           --count N              Read N blobs\n"
"           --desc                 Read blobs in descending order\n"
"           --fsync                Synchronous file writes\n"
"           --integrity-check      Run \"PRAGMA integrity_check\" after test\n"
"           --max-id N             Maximum blob key to use\n"
"           --mmap N               Mmap as much as N bytes of DBFILE\n"
"           --multitrans           Each read or write in its own transaction\n"
"           --nocheckpoint         Omit the checkpoint on WAL mode writes\n"
"           --nosync               Set \"PRAGMA synchronous=OFF\"\n"
"           --jmode MODE           Set MODE journal mode prior to starting\n"
"           --random               Read blobs in a random order\n"
"           --start N              Start reading with this blob key\n"
"           --stats                Output operating stats before exiting\n"
"           --update               Do an overwrite test\n"
;

/* Reference resources used */
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
................................................................................
  int bBlobApi = 0;           /* Use the incremental blob I/O API */
  int bStats = 0;             /* Print stats before exiting */
  int eOrder = ORDER_ASC;     /* Access order */
  int isUpdateTest = 0;       /* Do in-place updates rather than reads */
  int doIntegrityCk = 0;      /* Run PRAGMA integrity_check after the test */
  int noSync = 0;             /* Disable synchronous mode */
  int doFsync = 0;            /* Update disk files synchronously */
  int doMultiTrans = 0;       /* Each operation in its own transaction */
  int noCheckpoint = 0;       /* Omit the checkpoint in WAL mode */
  sqlite3 *db = 0;            /* Database connection */
  sqlite3_stmt *pStmt = 0;    /* Prepared statement for SQL access */
  sqlite3_blob *pBlob = 0;    /* Handle for incremental Blob I/O */
  sqlite3_int64 tmStart;      /* Start time */
  sqlite3_int64 tmElapsed;    /* Elapsed time */
  int mmapSize = 0;           /* --mmap N argument */
  int nData = 0;              /* Bytes of data */
................................................................................
  eType = pathType(zDb);
  if( eType==PATH_OTHER ) fatalError("unknown object type: \"%s\"", zDb);
  if( eType==PATH_NEXIST ) fatalError("object does not exist: \"%s\"", zDb);
  for(i=3; i<argc; i++){
    char *z = argv[i];
    if( z[0]!='-' ) fatalError("unknown argument: \"%s\"", z);
    if( z[1]=='-' ) z++;
    if( strcmp(z, "-asc")==0 ){
      eOrder = ORDER_ASC;
      continue;
    }
    if( strcmp(z, "-blob-api")==0 ){
      bBlobApi = 1;
      continue;
    }
    if( strcmp(z, "-cache-size")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      iCache = integerValue(argv[++i]);
      continue;
    }
    if( strcmp(z, "-count")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      nCount = integerValue(argv[++i]);
      if( nCount<1 ) fatalError("the --count must be positive");
      continue;
    }
    if( strcmp(z, "-desc")==0 ){
      eOrder = ORDER_DESC;
      continue;
    }
    if( strcmp(z, "-fsync")==0 ){
      doFsync = 1;
      continue;
    }
    if( strcmp(z, "-integrity-check")==0 ){
      doIntegrityCk = 1;
      continue;
    }
    if( strcmp(z, "-jmode")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      zJMode = argv[++i];
      continue;
    }
    if( strcmp(z, "-mmap")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      mmapSize = integerValue(argv[++i]);
      if( nCount<0 ) fatalError("the --mmap must be non-negative");
      continue;
    }
    if( strcmp(z, "-max-id")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      iMax = integerValue(argv[++i]);
      continue;
    }
    if( strcmp(z, "-multitrans")==0 ){
      doMultiTrans = 1;


      continue;
    }
    if( strcmp(z, "-nocheckpoint")==0 ){


      noCheckpoint = 1;
      continue;
    }
    if( strcmp(z, "-nosync")==0 ){


      noSync = 1;
      continue;
    }
    if( strcmp(z, "-random")==0 ){
      eOrder = ORDER_RANDOM;
      continue;
    }
    if( strcmp(z, "-start")==0 ){
      if( i==argc-1 ) fatalError("missing argument on \"%s\"", argv[i]);
      iKey = integerValue(argv[++i]);







      if( iKey<1 ) fatalError("the --start must be positive");
      continue;
    }
    if( strcmp(z, "-stats")==0 ){
      bStats = 1;
      continue;
    }
    if( strcmp(z, "-update")==0 ){
      isUpdateTest = 1;
      continue;
    }












    fatalError("unknown option: \"%s\"", argv[i]);
  }
  if( eType==PATH_DB ){
    /* Recover any prior crashes prior to starting the timer */
    sqlite3_open(zDb, &db);
    sqlite3_exec(db, "SELECT rowid FROM sqlite_master LIMIT 1", 0, 0, 0);
    sqlite3_close(db);
................................................................................
    }
    sqlite3_finalize(pStmt);
    pStmt = 0;
    if( zJMode ){
      zSql = sqlite3_mprintf("PRAGMA journal_mode=%Q", zJMode);
      sqlite3_exec(db, zSql, 0, 0, 0);
      sqlite3_free(zSql);
      if( noCheckpoint ){
        sqlite3_exec(db, "PRAGMA wal_autocheckpoint=0", 0, 0, 0);
      }
    }
    sqlite3_prepare_v2(db, "PRAGMA journal_mode", -1, &pStmt, 0);
    if( sqlite3_step(pStmt)==SQLITE_ROW ){
      zJMode = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0));
    }else{
      zJMode = "???";
    }
................................................................................
      sqlite3_prepare_v2(db, "SELECT max(k) FROM kv", -1, &pStmt, 0);
      if( sqlite3_step(pStmt)==SQLITE_ROW ){
        iMax = sqlite3_column_int(pStmt, 0);
      }
      sqlite3_finalize(pStmt);
    }
    pStmt = 0;
    if( !doMultiTrans ) sqlite3_exec(db, "BEGIN", 0, 0, 0);
  }
  if( iMax<=0 ) iMax = 1000;
  for(i=0; i<nCount; i++){
    if( eType==PATH_DIR ){
      /* CASE 1: Reading blobs out of separate files */
      char *zKey;
      zKey = sqlite3_mprintf("%s/%06d", zDb, iKey);
................................................................................
  if( nAlloc ) sqlite3_free(pData);
  if( pStmt ) sqlite3_finalize(pStmt);
  if( pBlob ) sqlite3_blob_close(pBlob);
  if( bStats ){
    display_stats(db, 0);
  }
  if( db ){
    if( !doMultiTrans ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
    if( !noCheckpoint ){
      sqlite3_close(db);
      db = 0;
    }
  }
  tmElapsed = timeOfDay() - tmStart;
  if( db && noCheckpoint ){
    sqlite3_close(db);
    db = 0;
  }
  if( nExtra ){
    printf("%d cycles due to %d misses\n", nCount, nExtra);
  }
  if( eType==PATH_DB ){
    printf("SQLite version: %s\n", sqlite3_libversion());
    if( doIntegrityCk ){
      sqlite3_open(zDb, &db);

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