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Move startup system check to before daeomniztion and modules init (#12067) 

1. it's a bad idea to print these errors and exit after daemonization (if we'll exit,
  the failure may not be detected)
2. it's not nice to exit (or even do the check that uses `fork`) after modules already
  started (could create threads, or do some changes)
This commit is contained in:
Oran Agra 2023-04-19 09:23:47 +03:00 committed by GitHub
parent b220e6b450
commit e5882da92b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 24 deletions
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52
src/server.c
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@ -7176,6 +7176,34 @@ int main(int argc, char **argv) {
sdsfree(options);
}
if (server.sentinel_mode) sentinelCheckConfigFile();
/* Do system checks */
#ifdef __linux__
linuxMemoryWarnings();
sds err_msg = NULL;
if (checkXenClocksource(&err_msg) < 0) {
serverLog(LL_WARNING, "WARNING %s", err_msg);
sdsfree(err_msg);
}
#if defined (__arm64__)
int ret;
if ((ret = checkLinuxMadvFreeForkBug(&err_msg)) <= 0) {
if (ret < 0) {
serverLog(LL_WARNING, "WARNING %s", err_msg);
sdsfree(err_msg);
} else
serverLog(LL_WARNING, "Failed to test the kernel for a bug that could lead to data corruption during background save. "
"Your system could be affected, please report this error.");
if (!checkIgnoreWarning("ARM64-COW-BUG")) {
serverLog(LL_WARNING,"Redis will now exit to prevent data corruption. "
"Note that it is possible to suppress this warning by setting the following config: ignore-warnings ARM64-COW-BUG");
exit(1);
}
}
#endif /* __arm64__ */
#endif /* __linux__ */
/* Daemonize if needed */
server.supervised = redisIsSupervised(server.supervised_mode);
int background = server.daemonize && !server.supervised;
if (background) daemonize();
@ -7217,30 +7245,6 @@ int main(int argc, char **argv) {
if (!server.sentinel_mode) {
/* Things not needed when running in Sentinel mode. */
serverLog(LL_NOTICE,"Server initialized");
#ifdef __linux__
linuxMemoryWarnings();
sds err_msg = NULL;
if (checkXenClocksource(&err_msg) < 0) {
serverLog(LL_WARNING, "WARNING %s", err_msg);
sdsfree(err_msg);
}
#if defined (__arm64__)
int ret;
if ((ret = checkLinuxMadvFreeForkBug(&err_msg)) <= 0) {
if (ret < 0) {
serverLog(LL_WARNING, "WARNING %s", err_msg);
sdsfree(err_msg);
} else
serverLog(LL_WARNING, "Failed to test the kernel for a bug that could lead to data corruption during background save. "
"Your system could be affected, please report this error.");
if (!checkIgnoreWarning("ARM64-COW-BUG")) {
serverLog(LL_WARNING,"Redis will now exit to prevent data corruption. "
"Note that it is possible to suppress this warning by setting the following config: ignore-warnings ARM64-COW-BUG");
exit(1);
}
}
#endif /* __arm64__ */
#endif /* __linux__ */
aofLoadManifestFromDisk();
loadDataFromDisk();
aofOpenIfNeededOnServerStart();