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Sep
15
accepted Optimal BIOS CPU power config for performant Hadoop?
Sep
7
awarded  Promoter
Sep
5
comment Optimal BIOS CPU power config for performant Hadoop?
If there doesn't end up being any authoritative answer to this question, thats probably what I'll end up doing. However, the prospect of having to bring down, make BIOS changes on a cluster of machines, bring back up - etc, etc will be extremely time consuming. I think asking this question is in the spirit of stackoverflow. If there's an expert who can help, great! If not, I'll help myself and share the results.
Sep
5
asked Optimal BIOS CPU power config for performant Hadoop?
Jan
17
awarded  Scholar
Jan
17
accepted Is swap an anachronism?
Oct
31
awarded  Yearling
Sep
17
awarded  Commentator
Sep
17
comment Dump process core without killing the process
At some point gcore was a stand-alone program but I don't think it's part of the gdb package anymore - however you can run gdb --pid=<PID> and then use it's gcore command to dump a core file. gcore.c is a fairly simple program that is easily googlable if you want something lighter weight.
Sep
16
asked How can you annotate or club info into ELF core files on Linux?
Jun
12
awarded  Caucus
Apr
4
awarded  Good Question
Feb
17
answered dd vs cat — is dd still relevant these days?
Oct
17
awarded  Popular Question
Jan
27
awarded  Yearling
Oct
27
awarded  Nice Answer
Mar
4
awarded  Nice Question
Feb
28
awarded  Supporter
Feb
28
comment Is swap an anachronism?
+1 for solaris truthiness
Feb
28
comment Best way to swap filenames
Something you should be aware of and fear - any program that has an open file handle to either one of those files will retain the open file handle after the rename because it's pointing to the same inode that it had when it originally opened the file. Until all programs that have the files open close them, this will be the case and cause data corruption if you expect that renaming them 'breaks' any existing writer handles.