diff options
Diffstat (limited to 'src/hyperloglog.c')
| -rw-r--r-- | src/hyperloglog.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/hyperloglog.c b/src/hyperloglog.c index b1b330310..bb07aa380 100644 --- a/src/hyperloglog.c +++ b/src/hyperloglog.c @@ -176,7 +176,7 @@ * involved in updating the sparse representation is not justified by the * memory savings. The exact maximum length of the sparse representation * when this implementation switches to the dense representation is - * configured via the define HLL_SPARSE_MAX. + * configured via the define server.hll_sparse_max_bytes. */ struct hllhdr { @@ -202,8 +202,6 @@ struct hllhdr { #define HLL_SPARSE 1 /* Sparse encoding */ #define HLL_MAX_ENCODING 1 -#define HLL_SPARSE_MAX 3000 - static char *invalid_hll_err = "Corrupted HLL object detected"; /* =========================== Low level bit macros ========================= */ @@ -634,7 +632,7 @@ int hllSparseToDense(robj *o) { * As a side effect the function may promote the HLL representation from * sparse to dense: this happens when a register requires to be set to a value * not representable with the sparse representation, or when the resulting - * size would be greater than HLL_SPARSE_MAX. */ + * size would be greater than server.hll_sparse_max_bytes. */ int hllSparseAdd(robj *o, unsigned char *ele, size_t elesize) { struct hllhdr *hdr; uint8_t oldcount, count, *sparse, *end, *p, *prev, *next; @@ -815,7 +813,8 @@ int hllSparseAdd(robj *o, unsigned char *ele, size_t elesize) { int oldlen = is_xzero ? 2 : 1; int deltalen = seqlen-oldlen; - if (deltalen > 0 && sdslen(o->ptr)+deltalen > HLL_SPARSE_MAX) goto promote; + if (deltalen > 0 && + sdslen(o->ptr)+deltalen > server.hll_sparse_max_bytes) goto promote; if (deltalen && next) memmove(next+deltalen,next,end-next); sdsIncrLen(o->ptr,deltalen); memcpy(p,seq,seqlen); @@ -1312,7 +1311,7 @@ void pfselftestCommand(redisClient *c) { /* Make sure that for small cardinalities we use sparse * encoding. */ - if (j == checkpoint && j < HLL_SPARSE_MAX/2) { + if (j == checkpoint && j < server.hll_sparse_max_bytes/2) { hdr2 = o->ptr; if (hdr2->encoding != HLL_SPARSE) { addReplyError(c, "TESTFAILED sparse encoding not used"); |