Simon501
7 contributions
95.4k contribution views
Recognition
No awards yet.
Posts
-
Published Answer
Poor fsync performance on DO Block Storage
I’ve found similar. After some investigation (and reading up) I think the problem is that DO’s hypervisors do not use battery ba… -
Published Answer
Why is Tomcat/JVM using 4.5Gb virtual memory on a server with only 4Gb RAM and no swap?
Thanks gonchik, I actually found out that along with the stack and static/code segments the main culprit was glibc’s use of “are… -
Published Question
Why is Tomcat/JVM using 4.5Gb virtual memory on a server with only 4Gb RAM and no swap?
I've changed /etc/default/tomcat7 to have Xms and Xmx of 2048m on a 4Gb server: JAVA_OPTS="-Djava.security.egd=file:/dev/./urandom -Djava.awt.headless=true -Xms2048m -Xmx2048m -XX:MaxPermSize=256m -XX:+UseConcMarkSwee... -
Published Answer
Mysql server stops very frequently
I found that MySQL gets restarted due to automatic unattended upgrades that seems to be included in the later (I believe) Ubuntu re… -
Published Question
Is a backup transactionally consistent?
Assume a server is busy processing transactions (e.g. MySQL on Ubuntu). When the DO backup is taken is it guaranteed to maintain transactional (ACID) consistency within the database files? In other words, if I recover...