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mdbx_chk: support for checking using specified meta-page.
Change-Id: Iadb930154acb966f03aa1dec9cc7cbdc76779f05
This commit is contained in:
Leonid Yuriev
parent
d9daf2944d
commit
765a18ed59
@ -96,6 +96,7 @@ uint64_t total_unused_bytes, reclaimable_pages, gc_pages, alloc_pages,
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unsigned verbose;
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bool ignore_wrong_order, quiet, dont_traversal;
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const char *only_subdb;
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int stuck_meta = -1;
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struct problem {
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struct problem *pr_next;
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@ -119,7 +120,7 @@ static void MDBX_PRINTF_ARGS(1, 2) print(const char *msg, ...) {
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static void va_log(MDBX_log_level_t level, const char *msg, va_list args) {
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static const char *const prefixes[] = {
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"!!!fatal: ", " ! " /* error */, " ! " /* warning */,
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"!!!fatal: ", " ! " /* error */, " ~ " /* warning */,
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" " /* notice */, " //" /* verbose */, " ///" /* debug */,
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" ////" /* trace */
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};
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@ -701,14 +702,14 @@ static int process_db(MDBX_dbi dbi_handle, char *dbi_name, visitor *handler,
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error("mdbx_cursor_open failed, error %d %s\n", rc, mdbx_strerror(rc));
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return rc;
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}
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/* if (ignore_wrong_order) {
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if (ignore_wrong_order) { /* for debugging with enabled assertions */
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mc->mc_flags |= C_SKIPORD;
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if (mc->mc_xcursor)
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mc->mc_xcursor->mx_cursor.mc_flags |= C_SKIPORD;
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} */
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}
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const size_t maxkeysize = mdbx_env_get_maxkeysize_ex(env, flags);
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saved_list = problems_push();
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prev_key.iov_base = nullptr;
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prev_key.iov_len = 0;
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@ -818,11 +819,13 @@ bailout:
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static void usage(char *prog) {
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fprintf(stderr,
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"usage: %s [-V] [-v] [-q] [-c] [-w] [-d] [-i] [-s subdb] dbpath\n"
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"usage: %s [-V] [-v] [-q] [-c] [-0|1|2] [-w] [-d] [-i] [-s subdb] "
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"dbpath\n"
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" -V\t\tprint version and exit\n"
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" -v\t\tmore verbose, could be used multiple times\n"
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" -q\t\tbe quiet\n"
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" -c\t\tforce cooperative mode (don't try exclusive)\n"
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" -0|1|2\tforce using specific meta-page 0..2 for checking\n"
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" -w\t\tlock DB for writing while checking\n"
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" -d\t\tdisable page-by-page traversal of B-tree\n"
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" -i\t\tignore wrong order errors (for custom comparators case)\n"
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@ -932,8 +935,11 @@ void verbose_meta(int num, txnid_t txnid, uint64_t sign, uint64_t bootid_h,
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if (stay)
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print(", stay");
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if (txnid > envinfo.mi_recent_txnid &&
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(envflags & (MDBX_EXCLUSIVE | MDBX_RDONLY)) == MDBX_EXCLUSIVE)
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if (stuck_meta >= 0) {
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if (num == stuck_meta)
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print(", forced for checking");
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} else if (txnid > envinfo.mi_recent_txnid &&
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(envflags & (MDBX_EXCLUSIVE | MDBX_RDONLY)) == MDBX_EXCLUSIVE)
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print(", rolled-back %" PRIu64 " (%" PRIu64 " >>> %" PRIu64 ")",
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txnid - envinfo.mi_recent_txnid, txnid, envinfo.mi_recent_txnid);
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print("\n");
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@ -993,7 +999,7 @@ int main(int argc, char *argv[]) {
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if (argc < 2)
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usage(prog);
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for (int i; (i = getopt(argc, argv, "Vvqnwcdis:")) != EOF;) {
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for (int i; (i = getopt(argc, argv, "Vvqnwc012dis:")) != EOF;) {
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switch (i) {
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case 'V':
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printf("mdbx_chk version %d.%d.%d.%d\n"
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@ -1012,6 +1018,15 @@ int main(int argc, char *argv[]) {
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case 'v':
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verbose++;
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break;
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case '0':
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stuck_meta = 0;
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break;
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case '1':
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stuck_meta = 1;
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break;
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case '2':
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stuck_meta = 2;
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break;
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case 'q':
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quiet = true;
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break;
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@ -1043,6 +1058,15 @@ int main(int argc, char *argv[]) {
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if (optind != argc - 1)
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usage(prog);
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if (stuck_meta >= 0) {
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if ((envflags & MDBX_EXCLUSIVE) == 0) {
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error("exclusive mode is required to using specific meta-page(%d) for "
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"checking.\n",
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stuck_meta);
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exit(EXIT_INTERRUPTED);
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}
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}
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#if defined(_WIN32) || defined(_WIN64)
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SetConsoleCtrlHandler(ConsoleBreakHandlerRoutine, true);
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#else
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@ -1079,17 +1103,22 @@ int main(int argc, char *argv[]) {
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goto bailout;
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}
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rc = mdbx_env_open(env, envname, envflags, 0);
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if ((envflags & MDBX_EXCLUSIVE) &&
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(rc == MDBX_BUSY ||
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if (stuck_meta >= 0) {
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rc = mdbx_env_open_for_recovery(env, envname, stuck_meta,
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(envflags & MDBX_RDONLY) ? false : true);
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} else {
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rc = mdbx_env_open(env, envname, envflags, 0);
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if ((envflags & MDBX_EXCLUSIVE) &&
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(rc == MDBX_BUSY ||
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#if defined(_WIN32) || defined(_WIN64)
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rc == ERROR_LOCK_VIOLATION || rc == ERROR_SHARING_VIOLATION
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rc == ERROR_LOCK_VIOLATION || rc == ERROR_SHARING_VIOLATION
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#else
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rc == EBUSY || rc == EAGAIN
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rc == EBUSY || rc == EAGAIN
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#endif
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)) {
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envflags &= ~MDBX_EXCLUSIVE;
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rc = mdbx_env_open(env, envname, envflags | MDBX_ACCEDE, 0);
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)) {
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envflags &= ~MDBX_EXCLUSIVE;
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rc = mdbx_env_open(env, envname, envflags | MDBX_ACCEDE, 0);
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}
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}
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if (rc) {
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@ -1466,7 +1495,7 @@ int main(int argc, char *argv[]) {
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}
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if (rc == 0 && total_problems == 1 && problems_meta == 1 && !dont_traversal &&
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(envflags & MDBX_RDONLY) == 0 && !only_subdb &&
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(envflags & MDBX_RDONLY) == 0 && !only_subdb && stuck_meta < 0 &&
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steady_meta_txnid < envinfo.mi_recent_txnid) {
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print("Perform sync-to-disk for make steady checkpoint at txn-id #%" PRIi64
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"\n",
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