This LWN article about memory compaction indicates that memory compaction can be invoked in the linux kernel by
Writing a node number to /proc/sys/vm/compact_node, causing compaction to happen on the indicated NUMA node.
When should I write the node number to the sys entry? I mean what should I detect or read and then write the node to the sys entry?
memory compaction
The above article indicates that memory compaction can be invoked in the linux kernel by
Writing a node number to /proc/sys/vm/compact_node, causing compaction to happen on the indicated NUMA node.
My question is, when should I write the node number to the sys entry? I mean what should I detect or read and then write the node to the sys entry?
We have had a couple of nasty experiences recently where a heavily used Lotus Notes database has gone over the 64gb limit.
The databases had some slack space which enabled us to run a database compaction to fix the problem, but taking the database offline long enough for a compaction to get exclusive use of the database was a real nightmare.
We tried:
Allowing users read-only access to the dat
Embedded system, no swap, kernel v2.6.36, memory compaction enabled.
Under heavy usage, all the RAM is tied up in cache. Cache was using about 70M of memory. When a user space process allocates memory, no problem, cache gives it up.
But there's a 3rd party device driver that seems to try to allocate a physical 5th order page, and fails with OOM. A quick look at buddyinfo confirms this...
I am writting a shell script to delete an entry from a specific group.
eg: file name is "dest"
<domain id="1" group_name="group1" >
< node id="ABC" >
< node id="PQR" >
< node id="XYZ" >
</domain>
<domain id="2" group_name="group2" >
< node id="PQR" >
< node id="XYZ" >
</domain>
<domain id="3" group_name="group3" >
Linux User and Developer: "It does add many other new features, including support for profiling virtual machines from the host machine using �kvm perf', the KDB in-kernel debugger that has augmented the existing KGDB support for remote debugging, the memory compaction patches, and memory hotplug support in the SLAB memory allocator."
I need to parse XML code in ascending order.My XML code is below :
<node label="Tree Data">
<node name="View" type="Page">
<node name="Organisational Structure" type="Page"/>
<node name="Experience" type="Page"/>
<node name="Expertise" type="Language">
<node name="Flex" type="Language"/>
<node name="Android" type="Language"/>
<node name="Java" type="La
Node will not delete on Linux Mint 13.
see the video here
http://youtu.be/tV8HhS1xw2g
and
here
http://www.youtube.com/watch?v=g8DNvv3iFdI
I installed via git but node failed to run see https://github.com/Jermolene/TiddlyWiki5/issues/73 for the tests I ran to try to get node to play nice.
so I uninstalled the git version and installed the Ubuntu v.
In order to write to a read only memory location(An example for such a memory location would be sys_call-table) in kernel module,is that only sufficient for us to disable the page protection by means of manipulating the 16th bit of CR0 register? Or shall we do something more to write to a read only memory location?
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