Mercurial > prosody-modules
annotate mod_storage_appendmap/README.markdown @ 4813:0a257d1402c3
mod_muc_rtbl: Optimize case with zero hashes
On the assumption that during quiet times between torrents of spam,
the hash set would be empty. There would be no point in doing the
operations and hashes to check for a match in that case.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 06 Dec 2021 18:19:19 +0100 |
parents | 88474dd1af48 |
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mod_storage_appendmap: Experimental storage module optimized for map stores
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1 --- |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
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2 labels: |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
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3 - 'Stage-Alpha' |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
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4 - 'Type-Storage' |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
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5 summary: Experimental map store optimized for small incremental changes |
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mod_storage_appendmap: Experimental storage module optimized for map stores
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6 ... |
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mod_storage_appendmap: Experimental storage module optimized for map stores
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7 |
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mod_storage_appendmap: Experimental storage module optimized for map stores
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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
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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
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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>
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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:
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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
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mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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14 this could also allow rolling back changes. |
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mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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15 |
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mod_storage_appendmap: Experimental storage module optimized for map stores
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16 Requires 0.10 |