[mythtv-commits] Ticket #12758: Feature patch: New feature for mythfilldatabase to optionally not use allatonce (--no-allatonce)

[MythTV]

#12758: Feature patch: New feature for mythfilldatabase to optionally not use
allatonce (--no-allatonce)
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 Reporter:  Gary Buhrmaster <gary.buhrmaster@…>  |          Owner:
                                                 |  pbennett
     Type:  Patch - Feature                      |         Status:  closed
 Priority:  minor                                |      Milestone:  unknown
Component:  MythTV - Mythfilldatabase            |        Version:  Master
                                                 |  Head
 Severity:  medium                               |     Resolution:  fixed
 Keywords:                                       |  Ticket locked:  0
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Changes (by Gary Buhrmaster <gary.buhrmaster@…>):

 * status:  accepted => closed
 * resolution:   => fixed


Comment:

 In [changeset:"ee7052fe93d43c65672995b01b0a21a8fa5e0537/mythtv"]:
 {{{
 #!CommitTicketReference repository="mythtv"
 revision="ee7052fe93d43c65672995b01b0a21a8fa5e0537"
 New feature for mythfilldatabase to optionally not use allatonce.

 The option added to mythfilldatabase is '--no-allatonce' and is (sort of)
 the equivalent to a no-dd-grab-all option (if it existed), --dd-grab-all
 not being the default due to some systems being under-provisioned.

 While for many grabbers that specify a preference for grabbing
 "allatonce" using it has advantages, for grabbers that return a
 large amount of data (example: 500+ channels for 21+ days with high
 details) mythfilldatabase due to its internal structure of parsing
 the entire xmltv file before processing can end up consuming vast
 amounts of virtual memory (6GB+ in one test case), which some backends
 may not be able to support well.

 This patch adds in a --no-allatonce option to mythfilldatabase which
 will cause the fill processing to fall back to a day at a time grab/fill,
 trading off invoking the grabber multiple times (with increased CPU
 procesing workload) for a reduced memory requirement.

 Fixes #12758

 Signed-off-by: Peter Bennett <pbennett at mythtv.org>
 }}}

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Ticket URL: <https://code.mythtv.org/trac/ticket/12758#comment:9>
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