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Merge remote-tracking branch 'origin/master' into gsb-atomic-ops

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This commit is contained in:
Gregory Burd 2013-07-17 16:34:10 -04:00
parent aedb91aca5
commit 72448d2b54
3 changed files with 25 additions and 21 deletions
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10
c_src/async_nif.h
View file

@ -337,11 +337,9 @@ async_nif_enqueue_req(struct async_nif_state* async_nif, struct async_nif_req_en
}
/* If the for loop finished then we didn't find a suitable queue for this
request, meaning we're backed up so trigger eagain. */
if (i == async_nif->num_queues) {
enif_mutex_unlock(q->reqs_mutex);
return 0;
}
request, meaning we're backed up so trigger eagain. Note that if we left
the loop in this way we hold no lock. */
if (i == async_nif->num_queues) return 0;
/* Add the request to the queue. */
STAILQ_INSERT_TAIL(&q->reqs, req, entries);
@ -349,7 +347,7 @@ async_nif_enqueue_req(struct async_nif_state* async_nif, struct async_nif_req_en
/* We've selected a queue for this new request now check to make sure there are
enough workers actively processing requests on this queue. */
if (q->depth > q->num_workers)
if (q->depth > q->num_workers || q->num_workers == 0)
if (async_nif_start_worker(async_nif, q) == 0) q->num_workers++;
/* Build the term before releasing the lock so as not to race on the use of

2
c_src/build_deps.sh
View file

@ -12,7 +12,7 @@ set -e
WT_REPO=http://github.com/wiredtiger/wiredtiger.git
WT_BRANCH=
WT_REF="tags/1.6.2"
WT_REF="tags/1.6.3"
WT_DIR=wiredtiger-`basename $WT_REF`
SNAPPY_VSN="1.0.4"

26
src/riak_kv_wterl_backend.erl
View file

@ -118,14 +118,14 @@ start(Partition, Config) ->
case Type of
"lsm" ->
[{internal_page_max, "128K"},
{leaf_page_max, "128K"},
{leaf_page_max, "16K"},
{lsm_chunk_size, "100MB"},
{lsm_merge_threads, 2},
{prefix_compression, false},
{prefix_compression, true},
{lsm_bloom_newest, true},
{lsm_bloom_oldest, true} ,
{lsm_bloom_bit_count, 128},
{lsm_bloom_hash_count, 64},
{lsm_bloom_bit_count, 28},
{lsm_bloom_hash_count, 19},
{lsm_bloom_config, [{leaf_page_max, "8MB"}]}
] ++ Compressor;
"table" ->
@ -375,10 +375,17 @@ max_sessions(Config) ->
undefined -> 1024;
Size -> Size
end,
Est = 100 * (RingSize * erlang:system_info(schedulers)), % TODO: review/fix this logic
case Est > 1000000000 of % Note: WiredTiger uses a signed int for this
true -> 1000000000;
false -> Est
Est = RingSize * erlang:system_info(schedulers),
case Est > 8192 of
true ->
8192;
false ->
case Est < 1024 of
true ->
1024;
false ->
Est
end
end.
%% @private
@ -406,7 +413,6 @@ establish_connection(Config, Type) ->
[ wterl:config_value(create, Config, true),
wterl:config_value(sync, Config, false),
wterl:config_value(logging, Config, true),
wterl:config_value(transactional, Config, true),
wterl:config_value(session_max, Config, max_sessions(Config)),
wterl:config_value(cache_size, Config, size_cache(RequestedCacheSize)),
wterl:config_value(statistics_log, Config, [{wait, 300}]), % sec
@ -562,7 +568,7 @@ size_cache(RequestedSize) ->
TotalRAM = proplists:get_value(system_total_memory, Memory),
FreeRAM = proplists:get_value(free_memory, Memory),
UsedByBeam = proplists:get_value(total, erlang:memory()),
Target = ((TotalRAM - UsedByBeam) div 4),
Target = ((TotalRAM - UsedByBeam) div 3),
FirstGuess = (Target - (Target rem (1024 * 1024))),
SecondGuess =
case FirstGuess > FreeRAM of