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setrlimit nofiles config

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This commit is contained in:
Doug Hoyte
2023-02-02 15:42:05 -05:00
parent baba729bc5
commit 271b1723ac
3 changed files with 42 additions and 4 deletions
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25
src/onAppStartup.cpp
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@ -1,8 +1,13 @@
#include <sys/time.h>
#include <sys/resource.h>
#include <string.h>
#include <errno.h>
#include "golpe.h"
const size_t CURR_DB_VERSION = 1;
void onAppStartup(lmdb::txn &txn, const std::string &cmd) {
static void dbCheck(lmdb::txn &txn, const std::string &cmd) {
auto dbTooOld = [&](uint64_t ver) {
LE << "Database version too old: " << ver << ". Expected version " << CURR_DB_VERSION;
LE << "You should 'strfry export' your events, delete (or move) the DB files, and 'strfry import' them";
@ -47,3 +52,21 @@ void onAppStartup(lmdb::txn &txn, const std::string &cmd) {
dbTooNew(s->dbVersion());
}
}
static void setRLimits() {
if (!cfg().relay__nofiles) return;
struct rlimit curr;
if (getrlimit(RLIMIT_NOFILE, &curr)) throw herr("couldn't call getrlimit: ", strerror(errno));
if (cfg().relay__nofiles > curr.rlim_max) throw herr("Unable to set NOFILES limit to ", cfg().relay__nofiles, ", exceeds max of ", curr.rlim_max);
curr.rlim_cur = cfg().relay__nofiles;
if (setrlimit(RLIMIT_NOFILE, &curr)) throw herr("Failed setting NOFILES limit to ", cfg().relay__nofiles, ": ", strerror(errno));
}
void onAppStartup(lmdb::txn &txn, const std::string &cmd) {
dbCheck(txn, cmd);
setRLimits();
}