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Support for TsetRange(), to minimize logging overhead when only portions

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of objects are known to be modified.
This commit is contained in:
Gilad Arnold 2004-12-17 00:38:52 +00:00
parent 1627d00635
commit 879ca42890
1 changed files with 11 additions and 9 deletions
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20
src/pobj/pobj.c
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@ -719,8 +719,9 @@ pobj_ref_flag_update (void *obj, void **fld, int set)
if (p->rep_index >= 0) {
pobj_slot = POBJ2REPSLOT (p);
/* TODO: switch to set_range update. */
Tset (xid, pobj_slot->rid, p);
if (ret)
TsetRange (xid, pobj_slot->rid, (char *) flags_ptr - (char *) p,
sizeof (unsigned long), flags_ptr);
pobj_end ();
}
@ -801,8 +802,8 @@ pobj_ref_typify (void *obj, int *reflist)
if (p->rep_index >= 0) {
pobj_slot = POBJ2REPSLOT (p);
/* TODO: switch to set_range update. */
Tset (xid, pobj_slot->rid, p);
TsetRange (xid, pobj_slot->rid, POBJ_REFFLAGS_OFFSET (p->size),
POBJ_REFFLAGS_SIZE (p->size), POBJ2REFS (p));
pobj_end ();
}
@ -865,8 +866,7 @@ pobj_memcpy_memset_typed (void *obj, void *fld, void *data, int c, size_t len,
if (p->rep_index >= 0) {
pobj_slot = POBJ2REPSLOT (p);
/* TODO: switch to set_range update; note the is_changed field! */
Tset (xid, pobj_slot->rid, p);
TsetRange (xid, pobj_slot->rid, (char *) fld - (char *) p, len, fld);
pobj_end ();
}
@ -949,8 +949,10 @@ pobj_update_range (void *obj, void *fld, size_t len)
}
/* Update corresponding record. */
/* TODO: switch to set_range update. */
Tset (xid, pobj_slot->rid, p);
if (len)
TsetRange (xid, pobj_slot->rid, (char *) fld - (char *) p, len, fld);
else
Tset (xid, pobj_slot->rid, p);
pobj_end ();
@ -1404,7 +1406,7 @@ pobj_adjust (void *old_objid, struct hash_table *pobj_convert_hash, int xid)
debug ("...done (%d references adjusted)", changed);
/* Update persistent image of object. */
/* TODO: use delta updates, via set_range method. */
/* TODO: use delta updates, via set_range method -- is that beneficial? */
Tset (xid, pobj_slot->rid, p);
return new_objid;