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How to set replication factors for HDFS directories?
ByEric Ma
Is it possible to set the replication factor for specific directory in HDFS to be one that is different from the default replication factor? This should set the existing files’ replication factors but also new files created in the specific directory. This can simplify the administration. We can set the replication factor of /tmp/ to…
How to add social icons to Q2A?
ByQ A
How to add the social share icons to q2a as shown in this site? This site uses the Question2Answer Share plugin: https://github.com/NoahY/q2a-share After installing the plugin by downloading and copying the directory for the plugin to the qa-plugin directory, you can select the networks to share to in ‘Admin -> Plugins’. I see. Thanks! Read…
How to set the replication factor for one file when it is uploaded by `hdfs dfs -put` command line in HDFS?
ByEric Ma
When uploading a file by the hdfs dfs -put command line in HDFS, how to set a replication factor instead of the global one for that file? For example, HDFS’s global replication factor is 3. For some temporary files, I would like to save just one copy for faster uploading and saving disk space. The…
Any suggestion on the hosting service
ByQ A
Any suggestion on the hosting services? Seems Hostgator is great: http://www.warriorforum.com/internet-marketing-product-reviews-ratings/362470-hostgator-bluehost-dreamhost-pair-com.html I was considering moving to Hostgator from Dreamhost. Dreamhost has less limitations after comparing it with others (e.g. the 250k inodes number limitation). I will stick with it. Moreover, with CloudFlare enabled ( https://www.systutorials.com/b/web/3218/cloudflare-with-dreamhost/ ), it looks better. Read more: Shared hosting services with…
How to disable the coredump function of systemd on Linux?
ByEric Ma
I do not want to have coredump for the developing machine using systemd on Linux? How to disable the coredump function of systemd? You can disable coredump function of systemd by adding this line Storage=none to /etc/systemd/coredump.conf For your reference: Storage= Controls where to store cores. One of “none”, “external”, “journal”, and “both”. When “none”,…
How to get the git commit tree?
ByQ A
How to get a tree-like view of the git commit history? My favorite command line: git log –graph –oneline It will prints a text based graph like (with colors): * b5dc8b9 Merge branch ‘master’ of https://github.com/layerzero/libi0 | | * 7514ef1 revised the README.md a little bit | * 6692428 align size to page for both…