On 10 Jan 2017, at 11:58, Adam Bishop <adam.bis...@jisc.ac.uk> wrote:
> On 10 Jan 2017, at 09:22, Ludwig Krispenz <lkris...@redhat.com> wrote:
>> this is a hang inside BerkeleyDB and we have so far not been able to resolve
>> it, also with Oracle support. The weird thing is that from the code in BDB
>> this should not be possible, but it is happening. Ther is a suspicion that
>> it could be an effect of VMs, where the wrong page is accessed, but no
>> further evidence on this.
> I can confirm we're we are running in a VM (ESXi 6.0), which gives me a few
> ideas. I've migrated our instance to faster storage and to a host
> topologically closer to the storage array to reduce latency.
Touch wood, the reduced storage latency and higher IO throughput has mitigated
the issue. DirSrv has not hung again so far.
gpg: E75B 1F92 6407 DFDF 9F1C BF10 C993 2504 6609 D460
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