This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center. Closed 8 years … Read more
It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 9 years ago. Trying to avoid some issues so I’ve been … Read more
Recently my Debian Linux server has been experiencing slow web server response times. I’ve investigated and it seems that MySQL is the culprit, yet there are no slow queries indicated by the slow queries log and when I check SHOW FULL PROCESSLIST I have to be quick to see any queries that are actually running … Read more
My server, Ubuntu 14.04.4 LTS, is running at high load, currently running a single site with Nginx + WordPress + W3 Total Cache + Memcached. I’m not sure if mysql is causing the workload issue. Here are the screenshot for htop and mytop I can tell from htop that memory is not the bottleneck here. … Read more
there’s some specific tuning JVM configuration for AmazonWS/EC2 building blocks (small, large…)? Somebody have suggestions for tuning JVM running on these machine profiles? Regards, And Past Answer This is highly application specific, and really has little to do with EC2 specifically. The only difference on EC2 versus a regular server is that performance is not … Read more
This question already has answers here: Can you help me with my capacity planning? (3 answers) Closed 8 years ago. I have a system running on a remote VPS whose main feature is a long running script (it could run for about 10 hours, depending on the user input). The following are some of its … Read more
Here is a simplified version of my backup script that runs in the host: # shutdown the guest to ensure its filesystem is in a stable state virsh shutdown web –mode=acpi sleep 20s # the real script uses a smarter method to wait for the guest shutdown to complete # make a snapshot copy of … Read more
It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 10 years ago. I’m searching for a script to run on … Read more
It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 8 years ago. I have two servers running Asp.net applications. Sometimes … Read more
I’m doing benchmark test of Linux server using netperf. According to information at networksecuritytoolkit the theoretical max throughput rate for 1514-bytes packets is 117.35 Mbp/s. However I’m getting 957 Mbp/s for UDP traffic of 1514 packets. I generate the traffic with netperf. I am not sure how this can be possible. Does netperf return udp/tcp … Read more
