sc_volume.addAnd("path", SearchCriteria.Op.EQ, vmDiskStat.getPath());
List<VolumeVO> volumes = _volsDao.search(sc_volume, null);
if ((volumes == null) || (volumes.size() == 0))
break;
VolumeVO volume = volumes.get(0);
VmDiskStatisticsVO previousVmDiskStats = _vmDiskStatsDao.findBy(userVm.getAccountId(), userVm.getDataCenterId(), userVm.getId(), volume.getId());
VmDiskStatisticsVO vmDiskStat_lock = _vmDiskStatsDao.lock(userVm.getAccountId(), userVm.getDataCenterId(), userVm.getId(), volume.getId());
if ((vmDiskStat.getIORead() == 0) && (vmDiskStat.getIOWrite() == 0) && (vmDiskStat.getBytesRead() == 0) && (vmDiskStat.getBytesWrite() == 0)) {
s_logger.debug("Read/Write of IO and Bytes are both 0. Not updating vm_disk_statistics");
continue;
}
if (vmDiskStat_lock == null) {
s_logger.warn("unable to find vm disk stats from host for account: " + userVm.getAccountId() + " with vmId: " + userVm.getId()+ " and volumeId:" + volume.getId());
continue;
}
if (previousVmDiskStats != null
&& ((previousVmDiskStats.getCurrentIORead() != vmDiskStat_lock.getCurrentIORead())
|| ((previousVmDiskStats.getCurrentIOWrite() != vmDiskStat_lock.getCurrentIOWrite())
|| (previousVmDiskStats.getCurrentBytesRead() != vmDiskStat_lock.getCurrentBytesRead())
|| (previousVmDiskStats.getCurrentBytesWrite() != vmDiskStat_lock.getCurrentBytesWrite())))) {
s_logger.debug("vm disk stats changed from the time GetVmDiskStatsCommand was sent. " +
"Ignoring current answer. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() +
" IO Read: " + vmDiskStat.getIORead() + " IO Write: " + vmDiskStat.getIOWrite() +
" Bytes Read: " + vmDiskStat.getBytesRead() + " Bytes Write: " + vmDiskStat.getBytesWrite());
continue;
}
if (vmDiskStat_lock.getCurrentIORead() > vmDiskStat.getIORead()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Read # of IO that's less than the last one. " +
"Assuming something went wrong and persisting it. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() +
" Reported: " + vmDiskStat.getIORead() + " Stored: " + vmDiskStat_lock.getCurrentIORead());
}
vmDiskStat_lock.setNetIORead(vmDiskStat_lock.getNetIORead() + vmDiskStat_lock.getCurrentIORead());
}
vmDiskStat_lock.setCurrentIORead(vmDiskStat.getIORead());
if (vmDiskStat_lock.getCurrentIOWrite() > vmDiskStat.getIOWrite()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Write # of IO that's less than the last one. " +
"Assuming something went wrong and persisting it. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() +
" Reported: " + vmDiskStat.getIOWrite() + " Stored: " + vmDiskStat_lock.getCurrentIOWrite());
}
vmDiskStat_lock.setNetIOWrite(vmDiskStat_lock.getNetIOWrite() + vmDiskStat_lock.getCurrentIOWrite());
}
vmDiskStat_lock.setCurrentIOWrite(vmDiskStat.getIOWrite());
if (vmDiskStat_lock.getCurrentBytesRead() > vmDiskStat.getBytesRead()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Read # of Bytes that's less than the last one. " +
"Assuming something went wrong and persisting it. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() +
" Reported: " + vmDiskStat.getBytesRead() + " Stored: " + vmDiskStat_lock.getCurrentBytesRead());
}
vmDiskStat_lock.setNetBytesRead(vmDiskStat_lock.getNetBytesRead() + vmDiskStat_lock.getCurrentBytesRead());
}
vmDiskStat_lock.setCurrentBytesRead(vmDiskStat.getBytesRead());
if (vmDiskStat_lock.getCurrentBytesWrite() > vmDiskStat.getBytesWrite()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Write # of Bytes that's less than the last one. " +
"Assuming something went wrong and persisting it. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() +
" Reported: " + vmDiskStat.getBytesWrite() + " Stored: " + vmDiskStat_lock.getCurrentBytesWrite());
}
vmDiskStat_lock.setNetBytesWrite(vmDiskStat_lock.getNetBytesWrite() + vmDiskStat_lock.getCurrentBytesWrite());
}
vmDiskStat_lock.setCurrentBytesWrite(vmDiskStat.getBytesWrite());
if (! _dailyOrHourly) {
//update agg bytes
vmDiskStat_lock.setAggIORead(vmDiskStat_lock.getNetIORead() + vmDiskStat_lock.getCurrentIORead());
vmDiskStat_lock.setAggIOWrite(vmDiskStat_lock.getNetIOWrite() + vmDiskStat_lock.getCurrentIOWrite());
vmDiskStat_lock.setAggBytesRead(vmDiskStat_lock.getNetBytesRead() + vmDiskStat_lock.getCurrentBytesRead());
vmDiskStat_lock.setAggBytesWrite(vmDiskStat_lock.getNetBytesWrite() + vmDiskStat_lock.getCurrentBytesWrite());
}
_vmDiskStatsDao.update(vmDiskStat_lock.getId(), vmDiskStat_lock);
}
txn.commit();
} catch (Exception e) {
txn.rollback();
s_logger.warn("Unable to update vm disk statistics for vm: " + userVm.getId() + " from host: " + hostId, e);