Mercurial > prosody-modules
annotate mod_storage_appendmap/README.markdown @ 4421:94805a7e7b30
mod_invites: rework CLI parsing to support groups
To make this sensible, the code had to move from rather simple
parsing to something which looks more like getopt or your typical
shell script.
author | Jonas Schäfer <jonas@wielicki.name> |
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date | Sun, 31 Jan 2021 19:16:36 +0100 |
parents | 88474dd1af48 |
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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 --- |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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2 labels: |
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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3 - 'Stage-Alpha' |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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4 - 'Type-Storage' |
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 |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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6 ... |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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7 |
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. |
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. |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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10 This allows changes to individual keys to be written without needing to |
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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11 write out the entire object again, but reads would grow gradually larger |
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, |
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. |
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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15 |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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16 Requires 0.10 |