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31%
Comparing Ceph and GlusterFS
21.04.2015
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © agencyby, 123RF.com
time does not represent a problem. The client can therefore split a 16MB file into four objects of 4MB each and then simultaneously upload these four objects to different OSDs. A client in Ceph can thus
31%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
and sequential write test using 16MB record sizes to a file that is 16GB in size (twice the physical memory). Once the testing was complete, I grabbed the raw collectl data file and copied it into a directory
31%
Lean on Logwatch
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © MuharremZengin, 123RF.com
NEW packages will be installed: libdate-manip-perl libyaml-syck-perl logwatch As a result, about 12.5MB of new software is installed. Logwatch gets configuration details several ways: from script
31%
Retrieving Windows performance data in PowerShell
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © andresr, fotolia.com
to see whether the available memory drops below 500MB. The script then runs through the freely extensible performance counters by server and checks the results. If a threshold is over- or undershot
31%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
--reserve-mb='auto' 40 %end 41 42 %anaconda 43 pwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty 44 pwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok 45
31%
ZAP provides automated security tests in continuous integration pipelines
23.08.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Galina Peshkova, 123RF.com
longer, but certainly you won't be too put out by server specifications at first. However, you might want to up the RAM and CPU specs for CI integration. Sadly, sometimes 512MB of RAM even on Linux boxes
31%
Scale-out with PostgreSQL
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Alberto Andrei Rosu, 123RF.com
to sorted sequence table (SST) files as soon as it reaches a certain size (128MB by default), creating many SST files with all intermediate versions. To limit the amount of data, these files are compressed
31%
Kafka: Scaling producers and consumers
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Patrick Schneider on Unsplash
.request.size Limit the number and size of batches (record-size-max). Time spent waiting for I/O Are you really waiting (io-wait-ratio)? buffer.memory + queued requests 32MB default (roughly
31%
Transcoding optical media in Linux
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Pavol Stredansky
. Whereas video CDs usually have a capacity of around 700MB, video DVDs that follow the DVD-18 standard can store around 17GB. The significantly higher storage capacity not only makes it possible to offer
31%
Application virtualization with Docker
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Oleksiy Mark, 123RF.com
at this point that the command is accessed in the directory where you saved the Dockerfile (Listing  4). Listing 4 Docker Build # docker build -t fedora_httpd. Uploading context 50.72 MB Uploading

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