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fsync test files

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Prevent creation of 16GB files during fsync testing; only create 16MB
files;  backpatch to 8.4.X.
This commit is contained in:
Bruce Momjian 2009-09-21 20:20:56 +00:00
parent 923413ac6d
commit c6bc0feb00
1 changed files with 27 additions and 1 deletions
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28
src/tools/fsync/test_fsync.c
View file

@ -1,5 +1,5 @@
/*
* $PostgreSQL: pgsql/src/tools/fsync/test_fsync.c,v 1.24 2009/08/10 18:19:06 momjian Exp $
* $PostgreSQL: pgsql/src/tools/fsync/test_fsync.c,v 1.25 2009/09/21 20:20:56 momjian Exp $
*
*
* test_fsync.c
@ -149,8 +149,12 @@ main(int argc, char *argv[])
die("Cannot open output file.");
gettimeofday(&start_t, NULL);
for (i = 0; i < loops; i++)
{
if (write(tmpfile, buf, WRITE_SIZE) != WRITE_SIZE)
die("write failed");
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
printf("\tone 16k o_sync write ");
@ -167,6 +171,8 @@ main(int argc, char *argv[])
die("write failed");
if (write(tmpfile, buf, WRITE_SIZE / 2) != WRITE_SIZE / 2)
die("write failed");
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
@ -188,8 +194,12 @@ main(int argc, char *argv[])
die("Cannot open output file.");
gettimeofday(&start_t, NULL);
for (i = 0; i < loops; i++)
{
if (write(tmpfile, buf, WRITE_SIZE / 2) != WRITE_SIZE / 2)
die("write failed");
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
printf("\topen o_dsync, write ");
@ -205,8 +215,12 @@ main(int argc, char *argv[])
die("Cannot open output file.");
gettimeofday(&start_t, NULL);
for (i = 0; i < loops; i++)
{
if (write(tmpfile, buf, WRITE_SIZE / 2) != WRITE_SIZE / 2)
die("write failed");
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
printf("\topen o_sync, write ");
@ -226,6 +240,8 @@ main(int argc, char *argv[])
if (write(tmpfile, buf, WRITE_SIZE / 2) != WRITE_SIZE / 2)
die("write failed");
fdatasync(tmpfile);
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
@ -246,6 +262,8 @@ main(int argc, char *argv[])
die("write failed");
if (fsync(tmpfile) != 0)
die("fsync failed");
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
@ -269,6 +287,8 @@ main(int argc, char *argv[])
die("write failed");
if (write(tmpfile, buf, WRITE_SIZE / 2) != WRITE_SIZE / 2)
die("write failed");
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
@ -290,6 +310,8 @@ main(int argc, char *argv[])
die("write failed");
if (write(tmpfile, buf, WRITE_SIZE / 2) != WRITE_SIZE / 2)
die("write failed");
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
@ -310,6 +332,8 @@ main(int argc, char *argv[])
if (write(tmpfile, buf, WRITE_SIZE / 2) != WRITE_SIZE / 2)
die("write failed");
fdatasync(tmpfile);
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);
@ -332,6 +356,8 @@ main(int argc, char *argv[])
die("write failed");
if (fsync(tmpfile) != 0)
die("fsync failed");
if (lseek(tmpfile, 0, SEEK_SET) == -1)
die("seek failed");
}
gettimeofday(&elapse_t, NULL);
close(tmpfile);