Difference between revisions of "UBC parameters table"
Nathanhaigh (talk | contribs) (Link primary, secondary and auxiliary to their own pages) |
Nathanhaigh (talk | contribs) (Updated some descriptions to come in line with what's show on UBC_primary_parameters, UBC_secondary_parameters etc) |
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| colspan="2" align="center" | [[UBC primary parameters|Primary parameters]] | | colspan="2" align="center" | [[UBC primary parameters|Primary parameters]] | ||
|- | |- | ||
− | | [[numproc]] || | + | | [[numproc]] || Maximum number of processes and kernel-level threads allowed for this container. |
|- | |- | ||
− | | [[numtcpsock]] || | + | | [[numtcpsock]] || Maximum number of TCP sockets. |
|- | |- | ||
− | | [[numothersock]] || | + | | [[numothersock]] || Maximum number of non-TCP sockets (local sockets, UDP and other types of sockets). |
|- | |- | ||
− | | [[vmguarpages]] || Memory allocation guarantee | + | | [[vmguarpages]] || Memory allocation guarantee. |
|- | |- | ||
| colspan="2" align="center" | [[UBC secondary parameters|Secondary parameters]] | | colspan="2" align="center" | [[UBC secondary parameters|Secondary parameters]] | ||
|- | |- | ||
− | | [[kmemsize]] || Size of unswappable kernel memory, allocated for processes in this [[container]]. | + | | [[kmemsize]] || Size of unswappable kernel memory, allocated allocated for processes in this [[container]]. |
|- | |- | ||
− | | [[tcpsndbuf]] || Total size of TCP | + | | [[tcpsndbuf]] || Total size of buffers used to send data over TCP network connections. |
|- | |- | ||
− | | [[tcprcvbuf]] || Total size of TCP | + | | [[tcprcvbuf]] || Total size of buffers used to temporary store the data coming from TCP network connections. |
|- | |- | ||
| [[othersockbuf]] || Total size of UNIX-domain socket buffers, UDP and other datagram protocol send buffers. | | [[othersockbuf]] || Total size of UNIX-domain socket buffers, UDP and other datagram protocol send buffers. | ||
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| [[dgramrcvbuf]] || Receive buffers of UDP and other datagram protocols. | | [[dgramrcvbuf]] || Receive buffers of UDP and other datagram protocols. | ||
|- | |- | ||
− | | [[oomguarpages]] || The guaranteed amount of memory for the case the memory is “over-booked” (out-of-memory kill guarantee) | + | | [[oomguarpages]] || The guaranteed amount of memory for the case the memory is “over-booked” (out-of-memory kill guarantee). |
|- | |- | ||
| [[privvmpages]] || Memory allocation limit, in pages. | | [[privvmpages]] || Memory allocation limit, in pages. |
Latest revision as of 23:11, 1 August 2011
|
Name | Description |
---|---|
Primary parameters | |
numproc | Maximum number of processes and kernel-level threads allowed for this container. |
numtcpsock | Maximum number of TCP sockets. |
numothersock | Maximum number of non-TCP sockets (local sockets, UDP and other types of sockets). |
vmguarpages | Memory allocation guarantee. |
Secondary parameters | |
kmemsize | Size of unswappable kernel memory, allocated allocated for processes in this container. |
tcpsndbuf | Total size of buffers used to send data over TCP network connections. |
tcprcvbuf | Total size of buffers used to temporary store the data coming from TCP network connections. |
othersockbuf | Total size of UNIX-domain socket buffers, UDP and other datagram protocol send buffers. |
dgramrcvbuf | Receive buffers of UDP and other datagram protocols. |
oomguarpages | The guaranteed amount of memory for the case the memory is “over-booked” (out-of-memory kill guarantee). |
privvmpages | Memory allocation limit, in pages. |
Auxiliary parameters | |
lockedpages | Process pages not allowed to be swapped out (pages locked by mlock(2) ).
|
shmpages | Total size of shared memory (IPC, shared anonymous mappings and tmpfs objects), in pages.
|
physpages | Total number of RAM pages used by processes. |
numfile | Number of open files. |
numflock | Number of file locks. |
numpty | Number of pseudo-terminals. |
numsiginfo | Number of siginfo structures.
|
dcachesize | Total size of dentry and inode structures locked in memory.
|
numiptent | Number of NETFILTER (IP packet filtering) entries. |
swappages | Amount of swap space to show in container. |