Tags » Sysctl

HPOM (xpl-394) semget operation failed.

Creating directories under OvDataDir
Directory creation under OvDataDir completed.
Creating configuration files.
Updating XPL configuration.
(xpl-394) semget operation failed.
(RTL-28) No space left on device…

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Linux freeze on high memory consumption

Sometimes working with virtual images, R or python I can see that the memory load is really high and then the system becomes completely irresponsible. This post will show you how to optimize memory management in linux. 815 more words


Setup HA-Proxy with Keepalived

Two Ubuntu 14.04 servers

hostnames and IP addresses:

    haproxy1 (
    haproxy2 (

We’ll also need to allocate a third IP address to use as the virtual IP address (VIP).   402 more words

PRCR-1079 CRS-2674 CRS-5017 ORA-27102: out of memory Linux-x86_64 Error: 28: No space left on device

# Problem

myserver:/home/oracle>srvctl start database -d mydb
PRCR-1079 : Failed to start resource ora.mydb.db
CRS-5017: The resource action "ora.mydb.db start" encountered the following error:
ORA-27102: out of memory
Linux-x86_64 Error: 28: No space left on device
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Tuning Server dengan Load Transaksi yang tinggi [Nginx, uwsgi, Sysctl]

Tulisan ini merupakan arsip dan catatan pribadi saya bagaimana mengoptimalisasi server produksi dengan beban transaksi yang sangat banyak.  Langkah pertama adalah memastikan Socket Tuning, terutama pada bagian meningkatkan parameter nilai incoming connection dengan tujuan server produksi ini dapat menampung request dalam jumlah besar, parameter nilai… 120 more words