RRDDUMP(1) rrdtool RRDDUMP(1) NNAAMMEE rrddump - dump the contents of an RRD to XML format SSYYNNOOPPSSIISS rrrrddttooooll dduummpp _f_i_l_e_n_a_m_e_._r_r_d [_f_i_l_e_n_a_m_e_._x_m_l] [----hheeaaddeerr|--hh {none,xsd,dtd}] [----nnoo--hheeaaddeerr] [----ddaaeemmoonn _a_d_d_r_e_s_s] > _f_i_l_e_n_a_m_e_._x_m_l DDEESSCCRRIIPPTTIIOONN The dduummpp function writes the contents of an RRRRDD in human readable (?) XML format to a file or to stdout. This format can be read by rrdrestore. Together they allow you to transfer your files from one computer architecture to another as well to manipulate the contents of an RRRRDD file in a somewhat more convenient manner. _f_i_l_e_n_a_m_e_._r_r_d The name of the RRRRDD you want to dump. _f_i_l_e_n_a_m_e_._x_m_l The (optional) filename that you want to write the XML output to. If not specified, the XML will be printed to stdout. ----hheeaaddeerr|--hh {none,xsd,dtd} By default RRDtool will add a dtd header to the xml file. Here you can customize this to and xsd header or no header at all. ----nnoo--hheeaaddeerr A shortcut for --header=none. If you want to restore the dump with RRDtool 1.2 you should use the --no-header option since 1.2 can not deal with xml headers. ----ddaaeemmoonn _a_d_d_r_e_s_s Address of the rrdcached daemon. If specified, a "flush" command is sent to the server before reading the RRD files. This allows rrrrddttooooll to return fresh data even if the daemon is configured to cache values for a long time. For a list of accepted formats, see the --ll option in the rrdcached manual. rrdtool dump --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd EEXXAAMMPPLLEESS To transfer an RRD between architectures, follow these steps: 1. On the same system where the RRD was created, use rrrrddttooooll dduummpp to export the data to XML format. 2. Transfer the XML dump to the target system. 3. Run rrrrddttooooll rreessttoorree to create a new RRD from the XML dump. See rrrrddrreessttoorree for details. EENNVVIIRROONNMMEENNTT VVAARRIIAABBLLEESS The following environment variables may be used to change the behavior of "rrdtool dump": RRRRDDCCAACCHHEEDD__AADDDDRREESSSS If this environment variable is set it will have the same effect as specifying the "--daemon" option on the command line. If both are present, the command line argument takes precedence. AAUUTTHHOORR Tobias Oetiker 1.4.8 2013-05-23 RRDDUMP(1)