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. > You can try to change the timing pattern of checkpointing, eg by changing the > checkpoint interval or the dbcache size, but there is no guarantee it will > help. I'll give that a try. Is there any additional telemetry you would like me to capture if it occurs again? Regards, Adam Bishop gpg: E75B 1F92 6407 DFDF 9F1C BF10 C993 2504 6609 D460 jisc.ac.uk Jisc is a registered charity (number 1149740) and a company limited by guarantee which is registered in England under Company No. 5747339, VAT No. GB 197 0632 86. Jisc’s registered office is: One Castlepark, Tower Hill, Bristol, BS2 0JA. T 0203 697 5800. Jisc Services Limited is a wholly owned Jisc subsidiary and a company limited by guarantee which is registered in England under company number 2881024, VAT number GB 197 0632 86. The registered office is: One Castle Park, Tower Hill, Bristol BS2 0JA. T 0203 697 5800. -- Manage your subscription for the Freeipa-users mailing list: https://www.redhat.com/mailman/listinfo/freeipa-users Go to http://freeipa.org for more info on the project
