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Slow performance for a single tenant database backup of the SAP HANA system

Slow performance for a single tenant database backup of the SAP HANA system

KB ID:	2948
Version:	9.5.4.2753 and below
Published:	2019-05-15
Last Modified:	2020-08-13

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Challenge

When backing up a small (<128 GB) tenant/system DB of SAP HANA, the backup performance might be comparatively slower than a file based backup or using a different backup solution.

Cause

After several customers pointed out the performance degradation – compared to file based backups – the Veeam development team found a way to significantly reduce the overhead for single stream-backups which leads to higher performance and faster backup times. This also improves the use of multi-channel backups – as the number of channels can be significantly smaller.

Solution

There is a hotfix for the issue which improves backup performance and eliminates the overhead of backup operations. Follow the next steps to apply the hotfix.

Make sure the Veeam Backup and Replication server and Veeam Plug-in for SAP HANA have been upgraded to version 9.5.4.2753

Make sure no database backups are running for your SAP HANA server

Download https://storage.veeam.com/Fix_168163_6a3408d4d4.zip archive containing the fix to SAP HANA server

Unpack it using the following command:
```
unzip Fix_168163_6a3408d4d4.zip
```

Verify checksums of the files using the following command:
```
md5sum -c MD5.txt
```
The result should be OK for each file

Perform the following commands

cp /opt/veeam/VeeamPluginforSAPHANA/hdbbackint /opt/veeam/VeeamPluginforSAPHANA/hdbbackint.bak 
cp /opt/veeam/VeeamPluginforSAPHANA/SapBackintManager /opt/veeam/VeeamPluginforSAPHANA/SapBackintManager.bak 
mv /opt/veeam/VeeamPluginforSAPHANA/hdbbackint /opt/veeam/VeeamPluginforSAPHANA/hdbbackint.orig 
mv /opt/veeam/VeeamPluginforSAPHANA/SapBackintManager /opt/veeam/VeeamPluginforSAPHANA/SapBackintManager.orig 
cp hdbbackint /opt/veeam/VeeamPluginforSAPHANA/ 
cp SapBackintManager /opt/veeam/VeeamPluginforSAPHANA/ 
chmod 755 /opt/veeam/VeeamPluginforSAPHANA/hdbbackint 
chmod 755 /opt/veeam/VeeamPluginforSAPHANA/SapBackintManager

Continue running backups as usual

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