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initial changes needed to turn the current VM code into a cache system. Tons of work to do still.

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This commit is contained in:
antirez
2010-12-28 15:20:20 +01:00
parent 33388d4304
commit 697af434fb
4 changed files with 43 additions and 75 deletions
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15
src/diskstore.c
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@ -16,8 +16,17 @@
* directory will contain in the average 15258 entires, that is ok with
* most filesystems implementation.
*
* The actaul implementation of this disk store is highly related to the
* filesystem implementation. This implementation may be replaced by
* Note that since Redis supports multiple databases, the actual key name
* is:
*
* /0b/ee/<dbid>_0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33
*
* so for instance if the key is inside DB 0:
*
* /0b/ee/0_0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33
*
* The actaul implementation of this disk store is highly dependant to the
* filesystem implementation itself. This implementation may be replaced by
* a B+TREE implementation in future implementations.
*
* Data ok every key is serialized using the same format used for .rdb
@ -68,7 +77,7 @@
int dsOpen(void) {
struct stat sb;
int retval;
char *path = server.diskstore_path;
char *path = server.ds_path;
if ((retval = stat(path,&sb) == -1) && errno != ENOENT) {
redisLog(REDIS_WARNING, "Error opening disk store at %s: %s",