GabrielBrascher commented on a change in pull request #3078: Add influxdb to 
statscollector
URL: https://github.com/apache/cloudstack/pull/3078#discussion_r239786751
 
 

 ##########
 File path: server/src/main/java/com/cloud/server/StatsCollector.java
 ##########
 @@ -692,64 +734,62 @@ public void 
doInTransactionWithoutResult(TransactionStatus status) {
                                     if ((volumes == null) || (volumes.size() 
== 0))
                                         break;
                                     VolumeVO volume = volumes.get(0);
-                                    VmDiskStatisticsVO previousVmDiskStats =
-                                            
_vmDiskStatsDao.findBy(userVm.getAccountId(), userVm.getDataCenterId(), vmId, 
volume.getId());
+                                    VmDiskStatisticsVO previousVmDiskStats = 
_vmDiskStatsDao.findBy(userVm.getAccountId(), userVm.getDataCenterId(), vmId, 
volume.getId());
                                     VmDiskStatisticsVO vmDiskStat_lock = 
_vmDiskStatsDao.lock(userVm.getAccountId(), userVm.getDataCenterId(), vmId, 
volume.getId());
 
-                                    if ((vmDiskStat.getBytesRead() == 0) && 
(vmDiskStat.getBytesWrite() == 0) && (vmDiskStat.getIORead() == 0) &&
-                                            (vmDiskStat.getIOWrite() == 0)) {
+                                    if ((vmDiskStat.getBytesRead() == 0) && 
(vmDiskStat.getBytesWrite() == 0) && (vmDiskStat.getIORead() == 0) && 
(vmDiskStat.getIOWrite() == 0)) {
                                         s_logger.debug("IO/bytes read and 
write are all 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());
+                                        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.getCurrentBytesRead() != 
vmDiskStat_lock.getCurrentBytesRead()) ||
-                                                    
(previousVmDiskStats.getCurrentBytesWrite() != 
vmDiskStat_lock.getCurrentBytesWrite()) ||
-                                                    
(previousVmDiskStats.getCurrentIORead() != vmDiskStat_lock.getCurrentIORead()) 
|| (previousVmDiskStats.getCurrentIOWrite() != 
vmDiskStat_lock.getCurrentIOWrite()))) {
-                                        s_logger.debug("vm disk stats changed 
from the time GetVmDiskStatsCommand was sent. " + "Ignoring current answer. 
Host: " +
-                                                host.getName() + " . VM: " + 
vmDiskStat.getVmName() + " Read(Bytes): " + vmDiskStat.getBytesRead() + " 
write(Bytes): " +
-                                                vmDiskStat.getBytesWrite() + " 
Read(IO): " + vmDiskStat.getIORead() + " write(IO): " + 
vmDiskStat.getIOWrite());
+                                    if (previousVmDiskStats != null && 
((previousVmDiskStats.getCurrentBytesRead() != 
vmDiskStat_lock.getCurrentBytesRead())
 
 Review comment:
   Fixed, thanks.

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