Mercurial > prosody-modules
annotate mod_storage_appendmap/README.markdown @ 5021:f62b091b1c81
mod_sasl2: Eventually return true from success handler
...while allowing other handlers to run in the priority range -1000 to -2000.
author | Matthew Wild <mwild1@gmail.com> |
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date | Sun, 28 Aug 2022 11:25:21 +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:
diff
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
|
2 labels: |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
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:
diff
changeset
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4 - 'Type-Storage' |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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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:
diff
changeset
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6 ... |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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7 |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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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:
diff
changeset
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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:
diff
changeset
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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:
diff
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:
diff
changeset
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15 |
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 |