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annotate mod_storage_appendmap/README.markdown @ 2712:d89ab70808f6

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mod_cloud_notify: fix bug when multiple resources are used This bug was triggered under the rare circumstances that a message arrived and one resource was smacks hibernated while the other one(s) were offline. Then only the hibernated resource but not the offline one(s) (or the other way round) got notified.
author tmolitor <thilo@eightysoft.de>
date Mon, 08 May 2017 18:24:29 +0200
parents b84284144e21
children 88474dd1af48
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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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
Kim Alvefur <zash@zash.se>
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3 - 'Stage-Alpha'
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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4 - 'Type-Storage'
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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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
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6 ...
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
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7
b84284144e21 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
Kim Alvefur <zash@zash.se>
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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>
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12 as it still needs to read old overwritten keys. This may be suitable for
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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13 eg rosters where individual contacts are changed at a time. In theory,
b84284144e21 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.
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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15
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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16 Requires 0.10