Remove rm_scan_count_limit from Cache creation.

docs/api/options.rst

@@ -761,16 +761,11 @@ LRUCache
 
     Wraps the rocksdb LRUCache
 
-    .. py:method:: __init__(capacity, shard_bits=None, rm_scan_count_limit=None)
+    .. py:method:: __init__(capacity, shard_bits=None)
 
         Create a new cache with a fixed size capacity. The cache is sharded
         to 2^numShardBits shards, by hash of the key. The total capacity
-        is divided and evenly assigned to each shard. Inside each shard,
-        the eviction is done in two passes: first try to free spaces by
-        evicting entries that are among the most least used removeScanCountLimit
-        entries and do not have reference other than by the cache itself, in
-        the least-used order. If not enough space is freed, further free the
-        entries in least used order.
+        is divided and evenly assigned to each shard.
 
 .. _table_factories_label:
 

docs/changelog.rst

@@ -49,6 +49,8 @@ In newer versions of rocksdb a bunch of options were moved or removed.
 * Moved ``Options.block_restart_interval`` to ``BlockBasedTableFactory``
 * Moved ``Options.whole_key_filtering`` to ``BlockBasedTableFactory``
 * Removed ``Options.table_cache_remove_scan_count_limit``
+* Removed rm_scan_count_limit from ``LRUCache``
+
 
 New:
 ^^^^

rocksdb/_rocksdb.pyx

@@ -442,14 +442,8 @@ cdef class PyCache(object):
 cdef class PyLRUCache(PyCache):
     cdef shared_ptr[cache.Cache] cache_ob
 
-    def __cinit__(self, capacity, shard_bits=None, rm_scan_count_limit=None):
+    def __cinit__(self, capacity, shard_bits=None):
         if shard_bits is not None:
-            if rm_scan_count_limit is not None:
-                self.cache_ob = cache.NewLRUCache(
-                    capacity,
-                    shard_bits,
-                    rm_scan_count_limit)
-            else:
             self.cache_ob = cache.NewLRUCache(capacity, shard_bits)
         else:
             self.cache_ob = cache.NewLRUCache(capacity)

rocksdb/cache.pxd

@@ -6,4 +6,3 @@ cdef extern from "rocksdb/cache.h" namespace "rocksdb":
 
     cdef extern shared_ptr[Cache] NewLRUCache(size_t)
     cdef extern shared_ptr[Cache] NewLRUCache(size_t, int)
-    cdef extern shared_ptr[Cache] NewLRUCache(size_t, int, int)