Hi @all,the system has four 500GB SSD's grouped in two RAID1 sets (LSI Megaraid). One raidset is for OS and logfiles, the other one for the MySQL database. There are no errors/warnings for the disks, filesystem in syslog or memory in mcelog. We have 256 GB RAM in the node with 128 GB dedicated to MySQL:
innodb_buffer_pool_size=128GB innodb_buffer_pool_instances=128 innodb_thread_concurrency=48 innodb_max_dirty_pages_pct=15 innodb_log_buffer_size=32M innodb_log_file_size=500M max_connections=512The server has two Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz (12 cores each) with Hyperthtreading enabled. The database is currently 160 GB with approx. 156 mio entries.
Cheers, Carsten Am 20.05.2016 um 21:07 schrieb Thomas LEIBOVICI (mail perso):
On 19/05/2016 11:25, Carsten Beyer wrote:1463476549 2016 May 17 11:15:49 mrh0 kern info kernel robinhood[13421] general protection ip:7f2f02b4f986 sp:7f2ee6bf97b0 error:0 in libc-2.12.so (deleted)[7f2f02b08000+18a000] 1463476549 2016 May 17 11:15:49 mrh0 daemon err abrt File '/usr/sbin/robinhood' seems to be deletedNo, never seen that before!!!Any issue with your host filesystem? Is it a diskless system, or a local filesystem?<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> Garanti sans virus. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
-- Carsten Beyer Abteilung Systeme Deutsches Klimarechenzentrum GmbH (DKRZ) Bundesstraße 45a * D-20146 Hamburg * Germany
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