Mercurial > prosody-modules
annotate mod_storage_appendmap/README.md @ 6514:668b1f0a4dc6
mod_c2s_limit_sessions: Fix check when it's the first connection
Creation of the sessions[username] entry happens after the
"pre-resource-bind" event, before the "resource-bind" event.
Thus, for a users first connection, it may not exist.
This led to an 'attempt to index a nil value' error, fixed here.
| author | Kim Alvefur <zash@zash.se> |
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| date | Wed, 08 Apr 2026 15:56:38 +0200 |
| parents | fe081789f7b5 |
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| rev | line source |
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2061
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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changeset
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1 --- |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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changeset
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2 labels: |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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3 - 'Stage-Alpha' |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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changeset
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4 - 'Type-Storage' |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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5 summary: Experimental map store optimized for small incremental changes |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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6 ... |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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7 |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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8 This is an experimental storage driver where changed data is appended. |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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9 Data is simply written as `key = value` pairs to the end of the file. |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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10 This allows changes to individual keys to be written without needing to |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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11 write out the entire object again, but reads would grow gradually larger |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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12 as it still needs to read old overwritten keys. This may be suitable for |
| 2818 | 13 e.g. rosters where individual contacts are changed at a time. In theory, |
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2061
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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14 this could also allow rolling back changes. |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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15 |
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b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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16 Requires 0.10 |
