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spec/scansion/mam_prefs_prep.scs @ 13186:affaf6d08d26
util.datamanager: Pad list writes to avoid crossing block boundaries
By padding items so that they do not cross block boundaries, it becomes
eaiser to delete whole blocks with fallocate() without cutting items
in half, improving efficiency of such operations.
Since list stores are used for message archives, where the most common
deletion operation would be of the oldest entires, at the top of the
file. With this, all blocks that contain items to be removed could be
deleted without needing to read, delete and write out the whole file.
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 07 Jun 2023 00:39:30 +0200 |
parent | 11727:f3aee8a825cc |
rev | line source |
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11727
f3aee8a825cc
Fix various spelling errors (thanks codespell)
Kim Alvefur <zash@zash.se>
parents:
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1 # mod_mam should apply JIDprep in prefs |
9729
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mod_mam: Add test for JID normalization in prefs (see #1275)
Kim Alvefur <zash@zash.se>
parents:
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2 |
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mod_mam: Add test for JID normalization in prefs (see #1275)
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3 [Client] Romeo |
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4 jid: romeo@localhost |
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5 password: password |
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6 |
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7 ----- |
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8 |
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Kim Alvefur <zash@zash.se>
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9 Romeo connects |
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10 |
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mod_mam: Add test for JID normalization in prefs (see #1275)
Kim Alvefur <zash@zash.se>
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11 Romeo sends: |
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12 <iq id="lx2" type="set"> |
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13 <prefs xmlns="urn:xmpp:mam:2" default="roster"> |
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14 <always> |
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15 <jid>JULIET@MONTAGUE.LIT</jid> |
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16 </always> |
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17 <never> |
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18 <jid>MONTAGUE@MONTAGUE.LIT</jid> |
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19 </never> |
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20 </prefs> |
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21 </iq> |
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22 |
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23 Romeo receives: |
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24 <iq id="lx2" type="result"> |
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25 <prefs xmlns="urn:xmpp:mam:2" default="roster"> |
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26 <always> |
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27 <jid>juliet@montague.lit</jid> |
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28 </always> |
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29 <never> |
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30 <jid>montague@montague.lit</jid> |
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31 </never> |
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32 </prefs> |
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33 </iq> |
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34 |
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35 Romeo disconnects |
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36 |