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Storage and file management/fr: Difference between revisions
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Created page with "{| class="wikitable" style="font-size: 95%; text-align: center;" |+align="bottom" style="color:#e76700;"|''Types de stockage'' ! scope="col" width="120px" | Type ! scope="col"..."
(Created page with "Ce tableau montre les propriétés des divers types de stockage.") |
(Created page with "{| class="wikitable" style="font-size: 95%; text-align: center;" |+align="bottom" style="color:#e76700;"|''Types de stockage'' ! scope="col" width="120px" | Type ! scope="col"...") |
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{| class="wikitable" style="font-size: 95%; text-align: center;" | {| class="wikitable" style="font-size: 95%; text-align: center;" | ||
|+align="bottom" style="color:#e76700;"|'' | |+align="bottom" style="color:#e76700;"|''Types de stockage'' | ||
! scope="col" width="120px" | Type | ! scope="col" width="120px" | Type | ||
! scope="col" width="120px" | | ! scope="col" width="120px" | Accessibilité | ||
! scope="col" width="120px" | | ! scope="col" width="120px" | Débit | ||
! scope="col" width="120px" | | ! scope="col" width="120px" | Latence | ||
! scope="col" width="120px" | | ! scope="col" width="120px" | Durée | ||
|- | |- | ||
|Network Filesystem (NFS) | |Network Filesystem (NFS) | ||
|style="background-color:#00c000;"| | |style="background-color:#00c000;"|tous les nœuds | ||
|style="background-color:#ff0000;"| | |style="background-color:#ff0000;"|faible | ||
|style="background-color:#ff0000;"| | |style="background-color:#ff0000;"|élevé | ||
|style="background-color:#00c000;"| | |style="background-color:#00c000;"|long terme | ||
|- | |- | ||
|Long-Term Parallel Filesystem | |Long-Term Parallel Filesystem | ||
|style="background-color:#00c000;"| | |style="background-color:#00c000;"|tous les nœuds | ||
|style="background-color:#ffff00;"| | |style="background-color:#ffff00;"|passable | ||
|style="background-color:#ff0000;"| | |style="background-color:#ff0000;"|élevé | ||
|style="background-color:#00c000;"| | |style="background-color:#00c000;"|long terme | ||
|- | |- | ||
|Short-Term Parallel Filesystem | |Short-Term Parallel Filesystem | ||
|style="background-color:#00c000;"| | |style="background-color:#00c000;"|tous les nœuds | ||
|style="background-color:#ffff00;"| | |style="background-color:#ffff00;"|passable | ||
|style="background-color:#ff0000;"| | |style="background-color:#ff0000;"|élevé | ||
|style="background-color:#ffff00;"| | |style="background-color:#ffff00;"|court terme (nettoyage périodique) | ||
|- | |- | ||
|Local Filesystem | |Local Filesystem | ||
|style="background-color:#ff0000;"| | |style="background-color:#ff0000;"|local pour le nœud | ||
|style="background-color:#ffff00;"| | |style="background-color:#ffff00;"|passable | ||
|style="background-color:#ffff00;"| | |style="background-color:#ffff00;"|moyenne | ||
|style="background-color:#ff0000;"| | |style="background-color:#ff0000;"|très court terme | ||
|- | |- | ||
|Memory (RAM) Filesystem | |Memory (RAM) Filesystem | ||
|style="background-color:#ff0000;"| | |style="background-color:#ff0000;"|local pour le nœud | ||
|style="background-color:#00c000;"| | |style="background-color:#00c000;"|bon | ||
|style="background-color:#00c000;"| | |style="background-color:#00c000;"|très basse | ||
|style="background-color:#ff0000;"| | |style="background-color:#ff0000;"|très court terme (nettoyage après chaque tâche) | ||
|} | |} | ||
''' | '''Débit''' décrit l'efficacité du système dans le cas de grandes opérations, par exemple celles nécessitant plus d'un mégaoctet en lecture ou écriture. | ||
'''Latency''' describes the efficiency of the file system for multiple small operations. Low latency is good; however, if one has a choice between a small number of large operations and a large number of small ones, it is almost always better to use a small number of large operations. | '''Latency''' describes the efficiency of the file system for multiple small operations. Low latency is good; however, if one has a choice between a small number of large operations and a large number of small ones, it is almost always better to use a small number of large operations. | ||