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Benoît Canet bcc826cc34 mutation_reader: Short circuit the read path on empty range 
Add a boolean to short circuit the read path on empty range
hoping for some speedup.

tested in read write with cs using:

cl=QUORUM duration=1m -mode native cql3 -rate threads=700 -node localhost

Will do some additional benchmark.

Fixes #1056

Signed-off-by: Benoît Canet <benoit@scylladb.com>
Message-Id: <20170118194451.16836-1-benoit@scylladb.com>
2017-01-20 10:05:40 +00:00
..
perf
Replace iostream include with iosfwd in headers
2017-01-17 14:52:44 +02:00
snitch_property_files
tests: added ec2_snitch_test
2015-10-08 20:57:20 +03:00
sstables
sstables: handle unrecognized sstable component
2016-11-02 12:44:53 +02:00
allocation_strategy_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
anchorless_list_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
auth_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
batchlog_manager_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
bytes_ostream_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
canonical_mutation_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
cartesian_product_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
commitlog_test.cc
tests: Remove unintentional enablement of trace-level logging
2016-12-14 10:58:07 +01:00
compound_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
config_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
cql_assertions.cc
Fix pre-ScyllaDB copyright statements
2016-04-08 08:12:47 +03:00
cql_assertions.hh
tests: Add view_schema_test
2016-12-20 13:06:11 +00:00
cql_query_test.cc
tests/cql_query_test: TIME type test cases
2017-01-09 10:42:20 +02:00
cql_test_env.cc
db: avoid excessive memory usage during resharding
2017-01-09 15:24:36 -02:00
cql_test_env.hh
cql_test_env: Add do_with_cql_env_thread function
2016-12-20 13:06:11 +00:00
crc_test.cc
utils: Put crc32 under utils namespace
2016-12-05 11:48:29 +02:00
database_test.cc
storage_proxy: pass maximum result size to replicas
2016-12-22 17:16:23 +01:00
dynamic_bitset_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
ec2_snitch_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
flush_queue_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
frozen_mutation_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
gossip_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
gossip.cc
Fix pre-ScyllaDB copyright statements
2016-04-08 08:12:47 +03:00
gossiping_property_file_snitch_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
hash_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
idl_test.cc
idl: allow writers to use any output stream
2016-12-22 13:35:04 +01:00
input_stream_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
keys_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
logalloc_test.cc
lsa: Reduce reclamation latency
2017-01-19 17:35:36 +02:00
lsa_async_eviction_test.cc
tests: lsa_async_eviction_test: Use chunked_fifo<>
2016-07-28 09:33:12 +02:00
lsa_sync_eviction_test.cc
Fix pre-ScyllaDB copyright statements
2016-04-08 08:12:47 +03:00
managed_vector_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
map_difference_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
memory_footprint.cc
drop key readers
2016-10-19 15:29:08 +01:00
memtable_test.cc
database: rework dirty memory hierarchy
2016-12-13 14:07:53 -05:00
message.cc
Fix pre-ScyllaDB copyright statements
2016-04-08 08:12:47 +03:00
murmur_hash_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
mutation_assertions.hh
tests: extract streamed_mutation assertions
2016-07-19 14:45:36 +01:00
mutation_query_test.cc
tests: adjust mutation_query_test for partition and row limits
2016-12-19 11:37:25 +02:00
mutation_reader_assertions.hh
Get rid of query::partition_range
2016-12-19 08:09:25 +08:00
mutation_reader_test.cc
Convert to use dht::partition_range_vector and dht::token_range_vector
2016-12-19 14:08:50 +08:00
mutation_source_test.cc
mutation_partition: take schema in find_row and clustered_row
2017-01-05 11:26:03 +01:00
mutation_source_test.hh
random_mutation_generator: Generate RTs by default
2017-01-11 09:24:37 +00:00
mutation_test.cc
mutation_partition: take schema in find_row and clustered_row
2017-01-05 11:26:03 +01:00
network_topology_strategy_test.cc
Fix pre-ScyllaDB copyright statements
2016-04-08 08:12:47 +03:00
nonwrapping_range_test.cc
Convert to use dht::partition_range
2016-12-19 08:04:30 +08:00
partitioner_test.cc
murmur3_partitioner: shard on the middle token bits, not most significant bits
2016-11-22 21:56:42 +02:00
perf_row_cache_update.cc
db: Use incremental selector in partition_presence_checker
2016-12-19 14:20:58 +01:00
query_processor_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
range_assert.hh
Fix pre-ScyllaDB copyright statements
2016-04-08 08:12:47 +03:00
range_test.cc
Get rid of query::partition_range
2016-12-19 08:09:25 +08:00
range_tombstone_list_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
result_set_assertions.cc
Merge "Fix query digest mismatch" from Tomasz
2016-04-08 12:13:29 +03:00
result_set_assertions.hh
Merge "Fix query digest mismatch" from Tomasz
2016-04-08 12:13:29 +03:00
row_cache_alloc_stress.cc
db: Use incremental selector in partition_presence_checker
2016-12-19 14:20:58 +01:00
row_cache_test.cc
Get rid of query::partition_range
2016-12-19 08:09:25 +08:00
schema_change_test.cc
migration_listener: Listen for view schema changes
2016-12-20 13:06:11 +00:00
schema_registry_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
snitch_reset_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
sstable_atomic_deletion_test.cc
sstables: add unit tests for atomic deletion
2016-11-04 15:48:43 +02:00
sstable_datafile_test.cc
mutation_reader: Short circuit the read path on empty range
2017-01-20 10:05:40 +00:00
sstable_mutation_test.cc
intrusive_set: rename size() to calculate_size()
2017-01-05 12:21:43 +01:00
sstable_test.cc
mutation_partition: take schema in find_row and clustered_row
2017-01-05 11:26:03 +01:00
sstable_test.hh
sstables: group sstable components that can be shared among shards
2017-01-06 15:16:19 -02:00
storage_proxy_test.cc
Convert to use dht::partition_range_vector and dht::token_range_vector
2016-12-19 14:08:50 +08:00
streamed_mutation_test.cc
intrusive_set: rename size() to calculate_size()
2017-01-05 12:21:43 +01:00
test_services.hh
tests: run with all features enabled
2017-01-16 11:38:45 +01:00
test-serialization.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
tmpdir.hh
Fix pre-ScyllaDB copyright statements
2016-04-08 08:12:47 +03:00
types_test.cc
tests/type_tests: TIME type test cases
2017-01-09 10:42:21 +02:00
UUID_test.cc
build: support for linking statically with boost
2016-10-26 08:51:21 +03:00
view_schema_test.cc
tests: Add view_schema_test
2016-12-20 13:06:11 +00:00
virtual_reader_test.cc
size_estimates_virtual_reader: Add unit test
2016-11-21 11:15:05 +00:00