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MiniAOD: set track_ as transient in PackedPFCandidate #5610

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arizzi
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@arizzi arizzi commented Sep 29, 2014

Fixing the issue reported by David on uncompressed size increase for PackedPFCandidate.
The mutable track_ should not be stored (it is anyhow compressed to negligible size being never filled, but it should not be stored)

on 100 events is now:
patPackedCandidates_packedPFCandidates__PAT. 62292.6 14063.3
to be compared with 70X numbers from david:
patPackedCandidates_packedPFCandidates__PAT. 64448.1 15698.8

@ferencek @davidlange6 @gpetruc

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A new Pull Request was created by @arizzi for CMSSW_7_2_X.

MiniAOD: set track_ as transient in PackedPFCandidate

It involves the following packages:

DataFormats/PatCandidates

@cmsbuild, @vadler, @nclopezo, @monttj can you please review it and eventually sign? Thanks.
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@nclopezo you are the release manager for this.
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@vadler
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vadler commented Sep 29, 2014

+1
Tested with CMSSW_7_2_X_2014-09-29-0200.
track_ removal reduces size of miniAOD test output from ttbar by ~5%.

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ktf added a commit that referenced this pull request Sep 29, 2014
…7_3_X_2014-09-29-0200

Miniaod fix in PackedCand dataformat (same as #5610 but for 73X)
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4 participants