void LogFileFlusher::recordWriteAndMaybeDropCaches(int fd, int bytes) {
int oldBytesWritten = m_bytesWritten.fetch_add(bytes);
int newBytesWritten = oldBytesWritten + bytes;
if (!(newBytesWritten > DropCacheChunkSize &&
oldBytesWritten <= DropCacheChunkSize)) {
return;
}
off_t offset = lseek(fd, 0, SEEK_CUR);
if (offset > kDropCacheTail) {
dropCache(fd, offset - kDropCacheTail);
}
m_bytesWritten = 0;
}
void HttpServer::watchDog() {
int count = 0;
while (!m_stopped) {
if (RuntimeOption::DropCacheCycle > 0 &&
(count % RuntimeOption::DropCacheCycle) == 0) { // every hour
dropCache();
}
sleep(1);
++count;
if (RuntimeOption::MaxRSSPollingCycle > 0 &&
(count % RuntimeOption::MaxRSSPollingCycle) == 0) { // every minute
checkMemory();
}
}
}
void HttpServer::watchDog() {
int count = 0;
bool noneed = false;
while (!m_stopped && !noneed) {
noneed = true;
if (RuntimeOption::DropCacheCycle > 0) {
noneed = false;
if ((count % RuntimeOption::DropCacheCycle) == 0) { // every hour
dropCache();
}
}
sleep(1);
++count;
if (RuntimeOption::MaxRSSPollingCycle > 0) {
noneed = false;
if ((count % RuntimeOption::MaxRSSPollingCycle) == 0) { // every minute
checkMemory();
}
}
}
}
void Helpers::uninit(void)
{
dropCache();
}
