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Full Discussion: RHEL Memory issue
Operating Systems Linux Red Hat RHEL Memory issue Post 302977034 by MadeInGermany on Monday 11th of July 2016 11:27:33 AM
Old 07-11-2016
But a "memory sink" would not be "system buffers/cache". It is part of the 13 GB memory in the sample in post#1.
Linux really suffers from the following work-load:
one process keeps I/O writing (until the free memory is shrunk to nearly 0), while another process writes to not yet initialized memory (that has been malloc()ed before).
 

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SHOWMOUNT(8)						    BSD System Manager's Manual 					      SHOWMOUNT(8)

NAME
showmount -- show remote NFS mounts on host SYNOPSIS
showmount [-Ae36] [-a | -d] [host] DESCRIPTION
showmount shows status information about the NFS server on host. By default it prints the names of all hosts that have NFS file systems mounted on the host. See NFS: Network File System Protocol Specification, RFC 1094, Appendix A, and NFS: Network File System Version 3 Protocol Specification, Appendix I, for a detailed description of the protocol. -A Search for NFS servers advertised via Bonjour. -a List all mount points in the form: host:dirpath -d List directory paths of mount points instead of hosts. -e Show the host's exports list. -3 Use mount protocol Version 3, compatible with NFS Version 3. -6 Use only IPv6 addresses to contact servers. SEE ALSO
mount(1), mountd(8), nfsd(8), mDNSResponder(8) BUGS
The mount daemon running on the server only has an idea of the actual mounts, since the NFS server is stateless. showmount will only display the information as accurately as the mount daemon reports it. HISTORY
The showmount utility first appeared in 4.4BSD. 4th Berkeley Distribution September 26, 2010 4th Berkeley Distribution
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