- 17 Apr, 2014 7 commits
-
-
antirez authored
When the register is set to zero, we need to add 2^-0 to E, which is 1, but it is faster to just add 'ez' at the end, which is the number of registers set to zero, a value we need to compute anyway.
-
antirez authored
-
antirez authored
-
antirez authored
-
antirez authored
-
antirez authored
-
antirez authored
-
- 16 Apr, 2014 6 commits
-
-
antirez authored
-
antirez authored
Given that the code was written with a 2 years pause... something strange happened in the middle. So there was no function to free a lex range min/max objects, and in some places the range was passed by value.
-
antirez authored
Like ZCOUNT for lexicographical ranges.
-
antirez authored
-
antirez authored
-
antirez authored
Converts HyperLogLogs from sparse to dense. Used for testing.
-
- 15 Apr, 2014 2 commits
- 14 Apr, 2014 19 commits
-
-
antirez authored
-
antirez authored
After running a few benchmarks, 3000 looks like a reasonable value to keep HLLs with a few thousand elements small while the CPU cost is still not huge. This covers all the cases where the dense representation would use N orders of magnitude more space, like in the case of many HLLs with carinality of a few tens or hundreds. It is not impossible that in the future this gets user configurable, however it is easy to pick an unreasoable value just looking at savings in the space dimension without checking what happens in the time dimension.
-
antirez authored
-
antirez authored
-
antirez authored
It is safer since it is able to have side effects.
-
antirez authored
Even if it is a debugging command, make sure that when it forces a change in encoding, the command is propagated.
-
antirez authored
If we converted to dense, a register must be updated in the dense representation.
-
antirez authored
Mostly by reordering opcodes check conditional by frequency of opcodes in larger sparse-encoded HLLs.
-
antirez authored
-
antirez authored
Bottleneck found profiling. Big run time improvement found when testing after the change.
-
antirez authored
-
antirez authored
As more values are added splitting ZERO or XZERO opcodes, try to merge adjacent VAL opcodes if they have the same value.
-
antirez authored
Now the macros will work with arguments such as "ptr+1".
-
antirez authored
-
antirez authored
Bulk length for registers was emitted too early, so if there was a bug the reply looked like a long array with just one element, blocking the client as result.
-
antirez authored
-
antirez authored
We want to promote if the total string size exceeds the resulting size after the upgrade.
-
antirez authored
The function checks if all the HLL_REGISTERS were processed during the convertion from sparse to dense encoding, returning REDIS_OK or REDIS_ERR to signal a corruption problem. A bug in PFDEBUG GETREG was fixed: when the object is converted to the dense representation we need to reassign the new pointer to the header structure pointer.
-
antirez authored
Provides a human readable description of the opcodes composing a run-length encoded HLL (sparse encoding). The command is only useful for debugging / development tasks.
-
- 13 Apr, 2014 3 commits
- 12 Apr, 2014 3 commits