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.\"
.IX Title "RRDFLUSHCACHED 1"
.TH RRDFLUSHCACHED 1 "2019-05-30" "1.7.1" "rrdtool"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
rrdflushcached \- Flush the values for a specific RRD file from memory.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBrrdtool\fR \fBflushcached\fR
[\fB\-\-daemon\fR|\fB\-d\fR \fIaddress\fR]
\&\fIfilename\fR [\fIfilename\fR ...]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \fBflushcached\fR function connects to rrdcached, the \s-1RRD\s0 caching daemon,
and issues a \*(L"flush\*(R" command for the given files. The daemon will put the
files to the head of the update queue so they are written \*(L"soon\*(R". The
status will be returned only after the files' pending updates have been
written to disk.
.IP "\fIfilename\fR" 8
.IX Item "filename"
The name(s) of the \fB\s-1RRD\s0\fR file(s) that are to be written to disk.
.IP "\fB\-\-daemon\fR|\fB\-d\fR \fIaddress\fR" 8
.IX Item "--daemon|-d address"
Address of the rrdcached daemon. If not specified, the
\&\s-1RRDCACHED_ADDRESS\s0 environment variable must be set (see below).  For a
list of accepted formats, see the \fB\-l\fR option in the rrdcached
manual.
.Sp
.Vb 1
\& rrdtool flushcached \-\-daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
.Ve
.SH "ENVIRONMENT VARIABLES"
.IX Header "ENVIRONMENT VARIABLES"
The following environment variables may be used to change the behavior of
\&\f(CW\*(C`rrdtool flushcached\*(C'\fR:
.IP "\fB\s-1RRDCACHED_ADDRESS\s0\fR" 4
.IX Item "RRDCACHED_ADDRESS"
If this environment variable is set it will have the same effect as specifying
the \f(CW\*(C`\-\-daemon\*(C'\fR option on the command line. If both are present, the command
line argument takes precedence.
.SH "AUTHOR"
.IX Header "AUTHOR"
Florian Forster <octo at verplant.org>