On 02/06/2015 11:32 AM, Aline Manera wrote:
On 05/02/2015 15:54, Ramon Medeiros wrote:
> Hi Team,
> i was debugging this bug and found that this query is taking so much
> pvs = subprocess.Popen(
> ["pvs", "--unbuffered", "--nameprefixes",
> "-o", "vg_name", devNodePath],
> devNodePath is a partition or a disk (e.g. /dev/sdc or /dev/mpathe1)
> The goal in this command is search the volume group that this
> partition belongs to. On machines that has inconsistent volume
> groups, it takes a long time to retrieve the information.
> Can i cache this information before querying all partitions? Or there
> is other way to query this info faster?
What do you mean by "cache this information"?
Instead of run the query
every time. Do a single query and cache the
result.(then we will refresh it periodically)
Ramon Nunes Medeiros
Software Engineer - Linux Technology Center Brazil
IBM Systems & Technology Group
Phone : +55 19 2132 7878