prosody
affaf6d08d26
spec/scansion/tombstones.scs

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spec/scansion/tombstones.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>
date Wed, 07 Jun 2023 00:39:30 +0200
parent 12116:efcf25ad5406
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12116
efcf25ad5406 mod_tombstones: Add a very basic test case
Kim Alvefur <zash@zash.se>
parents:
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1 # Tombstones
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Kim Alvefur <zash@zash.se>
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2
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Kim Alvefur <zash@zash.se>
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3 [Client] Romeo
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Kim Alvefur <zash@zash.se>
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4 jid: romeo@localhost
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Kim Alvefur <zash@zash.se>
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5 password: password
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6
efcf25ad5406 mod_tombstones: Add a very basic test case
Kim Alvefur <zash@zash.se>
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7 [Client] Juliet
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8 jid: juliet-tombstones@localhost
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Kim Alvefur <zash@zash.se>
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9 password: password
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10
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Kim Alvefur <zash@zash.se>
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11 ---------
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12
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13 Romeo connects
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14
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15 Juliet connects
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16
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Kim Alvefur <zash@zash.se>
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17 Juliet sends:
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Kim Alvefur <zash@zash.se>
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18 <iq type="set" id="bye">
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19 <query xmlns="jabber:iq:register">
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Kim Alvefur <zash@zash.se>
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20 <remove/>
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21 </query>
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Kim Alvefur <zash@zash.se>
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22 </iq>
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23
efcf25ad5406 mod_tombstones: Add a very basic test case
Kim Alvefur <zash@zash.se>
parents:
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24 # Scansion gets disconnected right after this with a stream error makes
efcf25ad5406 mod_tombstones: Add a very basic test case
Kim Alvefur <zash@zash.se>
parents:
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25 # scansion itself abort, so we preemptively disconnect to avoid that
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Kim Alvefur <zash@zash.se>
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26 # Juliet receives:
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Kim Alvefur <zash@zash.se>
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27 # <iq type="result" id="bye"/>
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28
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29 Juliet disconnects
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30
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31 Romeo sends:
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32 <presence type="probe" to="${Juliet's JID}"/>
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33
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34 Romeo receives:
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Kim Alvefur <zash@zash.se>
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35 <presence type="error" from="${Juliet's JID}"/>
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Kim Alvefur <zash@zash.se>
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36
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37 Romeo receives:
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Kim Alvefur <zash@zash.se>
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38 <presence type="unsubscribed" from="${Juliet's JID}"/>