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Glauber Costa 74a4843d2a sstable index: try to read everything in a single run 
We know the correct boundaries now, so we can use that information to
feed the default buffer size: if it is small enough (smaller than 128k),
we can try to bring everything at once.

For the default key sized 128 that we use in the index read perf:
(smp == 1, partitions = 500000, concurrency == 1)

Before:
423493.26 +- 811.03 partitions / sec (30 runs, 1 concurrent ops)

After:
707311.86 +- 1865.47 partitions / sec (30 runs, 1 concurrent ops)

For a gain of 67 %.

Signed-off-by: Glauber Costa <glommer@cloudius-systems.com>
2015-08-27 09:19:05 -05:00
api
Merge "API updates for storage_service" from Asias
2015-08-27 11:40:48 +03:00
conf
Rearrange scylla.yaml to supported and not supported segments
2015-08-16 20:35:03 +03:00
cql3
cql3: Fix CQL parser error message for counter types
2015-08-27 15:34:43 +03:00
db
Revert "Merge "Commit log replay" from Calle"
2015-08-27 12:39:08 +03:00
dht
murmur3_partitioner: add describe_ownership from origin
2015-08-25 19:39:08 +03:00
dist/redhat
dist: add make on build dependency
2015-08-26 12:47:36 +03:00
exceptions
Remove unneeded namespace qualifiers.
2015-08-12 16:12:10 +03:00
gms
gms: Fix release_version
2015-08-27 11:01:08 +03:00
interface
cassandra.thrift: add copyright and change notices
2014-12-23 19:51:56 +02:00
io
io: Convert io/ISerializer.java
2015-01-05 14:13:31 +08:00
kvm
VM image build script to running SeaStar on Linux guest
2015-05-27 15:39:30 +03:00
licenses
Move seastar to a submodule
2015-07-19 20:48:36 +03:00
locator
token_metadata: Add const when applicable
2015-08-25 19:39:13 +03:00
message
protect messaging_service destruction by a gate object
2015-08-25 15:28:58 +03:00
repair
repair: use parallel_for_each instead of semaphore
2015-08-20 10:51:57 +03:00
seastar @ 10e09b0e1b
Merge seastar upstream
2015-08-26 23:50:07 +03:00
service
Merge "API updates for storage_service" from Asias
2015-08-27 11:40:48 +03:00
sstables
sstable index: try to read everything in a single run
2015-08-27 09:19:05 -05:00
streaming
mutation_reader: make noncopyable
2015-08-25 15:49:08 +03:00
swagger-ui @ 1b212bbe71
Update swagger-ui for local fix (change URL to not to point to pet store)
2015-06-25 14:04:07 +03:00
tests
sstables: modify read_indexes so it no longer takes a quantity
2015-08-27 16:44:25 +03:00
thrift
thrift: set TCP_NODELAY
2015-08-18 15:48:36 +03:00
transport
Merge "Optimize CQL query parameters" from Pekka
2015-08-24 09:19:56 +03:00
utils
Revert "Merge "Commit log replay" from Calle"
2015-08-27 12:39:08 +03:00
.gitignore
Ignore cscope files
2014-10-23 10:46:55 +03:00
.gitmodules
git: Ignore a dirty submodule tree
2015-07-27 10:14:02 +03:00
.gitorderfile
gitorderfile: make changes into *.py files appear first
2015-05-12 10:13:25 +03:00
atomic_cell.hh
Fix typos
2015-08-25 17:07:35 +03:00
bytes_ostream.hh
bytes_ostream: Fix current_space_left()
2015-08-07 13:00:31 +03:00
bytes.cc
db: Extract bytes related stuff from database.cc to bytes.cc
2015-04-29 15:50:16 +03:00
bytes.hh
db: make bytes even more distinct from sstring
2015-04-07 10:56:19 +03:00
caching_options.hh
add caching_options
2015-08-07 09:30:53 -05:00
cartesian_product.hh
Introduce cartesian product calculating helper
2015-03-11 14:56:10 +01:00
combine.hh
Add combine() template
2015-03-05 18:11:37 +02:00
compaction_strategy.hh
compaction_strategy: Fix type() to throw configuration exception
2015-08-27 14:20:55 +03:00
compound_compat.hh
compound_compat: Remove leftover code
2015-04-30 15:40:02 +02:00
compound.hh
compound: fix iterator comparison for null values
2015-08-14 14:53:22 +02:00
compress.hh
compress: allow empty sstable_compression
2015-07-08 10:47:11 +02:00
configure.py
Revert "Merge "Commit log replay" from Calle"
2015-08-27 12:39:08 +03:00
database_fwd.hh
db: move memtable definition to its own file
2015-05-17 12:38:32 +03:00
database.cc
Revert "Merge "Commit log replay" from Calle"
2015-08-27 12:39:08 +03:00
database.hh
Revert "Merge "Commit log replay" from Calle"
2015-08-27 12:39:08 +03:00
db_clock.hh
gc_clock: support adding an offset to the current time
2015-07-02 17:26:22 +02:00
debug.hh
debug: store database pointer in a static variable
2015-07-26 18:54:08 +03:00
dns.hh
stub dns resolver
2015-05-21 15:17:34 +03:00
Doxyfile
docs: exclude dpdk
2015-06-24 13:09:51 +03:00
enum_set.hh
enum_set: Introduce enum_set::of<>()
2015-04-15 20:33:49 +02:00
frozen_mutation.cc
mutation_partition_serializer: Refactor the interface
2015-07-04 13:46:31 +02:00
frozen_mutation.hh
frozen_mutation: Add copy constructor and assignment operator
2015-07-12 12:51:38 +02:00
gc_clock.cc
gc_clock: support adding an offset to the current time
2015-07-02 17:26:22 +02:00
gc_clock.hh
gc_clock: support adding an offset to the current time
2015-07-02 17:26:22 +02:00
init.cc
storage_service: Pass db into storage_service
2015-08-06 15:23:51 +08:00
init.hh
storage_service: Pass db into storage_service
2015-08-06 15:23:51 +08:00
json.hh
json: do not add a newline at the end of string
2015-07-10 01:29:23 +02:00
keys.cc
keys: Introduce ring_order_tri_compare()
2015-07-22 10:27:48 +02:00
keys.hh
keys: use resize() to fill missing values
2015-08-16 14:41:56 +03:00
log.cc
logger: Align log level
2015-07-31 16:27:55 +08:00
log.hh
log: Introduce logger::is_enabled(log_level)
2015-07-28 11:31:08 +02:00
main.cc
Revert "Merge "Commit log replay" from Calle"
2015-08-27 12:39:08 +03:00
map_difference.hh
map_difference: Simplify difference value
2015-06-03 09:19:00 +03:00
memtable.cc
Fix typos
2015-08-25 17:07:35 +03:00
memtable.hh
memtable: keep the lsa region alive while partitions are being destroyed
2015-08-20 15:32:30 +03:00
mutation_partition_applier.hh
mutation_partition: serialize row_marker of deletable_row
2015-07-30 14:10:06 +02:00
mutation_partition_serializer.cc
db: Use LSA to allocate data inside memtable
2015-08-06 14:05:16 +02:00
mutation_partition_serializer.hh
mutation_partition_serializer: Add read() variants
2015-07-04 13:46:31 +02:00
mutation_partition_view.cc
mutation_partition: serialize row_marker of deletable_row
2015-07-30 14:10:06 +02:00
mutation_partition_view.hh
db: Introduce frozen_mutation
2015-05-08 09:19:01 +02:00
mutation_partition_visitor.hh
mutation_partition: serialize row_marker of deletable_row
2015-07-30 14:10:06 +02:00
mutation_partition.cc
Include trailing tombstones in mutation when enforcing row_limit
2015-08-17 18:11:25 +03:00
mutation_partition.hh
mutation_partition: Reduce duplication in apply()
2015-08-06 14:05:16 +02:00
mutation_query.cc
query: support option distinct in partition_slice
2015-08-04 15:39:42 +02:00
mutation_query.hh
db: Introduce mutation query interface
2015-07-12 12:51:38 +02:00
mutation_reader.cc
mutation_reader: optimize make_reader_returning()
2015-08-27 11:52:22 +02:00
mutation_reader.hh
mutation_reader: make noncopyable
2015-08-25 15:49:08 +03:00
mutation.cc
mutation: Avoid a copy in set_cell() and others
2015-08-24 09:06:13 +03:00
mutation.hh
mutation: Avoid a copy in set_cell() and others
2015-08-24 09:06:13 +03:00
NOTICE.txt
Add NOTICE file as required by the Apache license.
2014-12-24 09:47:18 +02:00
nway_merger.hh
nway_merger: allow for comparators without default constructors
2015-05-05 19:37:21 +03:00
ORIGIN
Add ORIGIN file to remind us which sources (exact revision) we are converting
2014-12-24 09:45:34 +02:00
partition_builder.hh
mutation_partition: serialize row_marker of deletable_row
2015-07-30 14:10:06 +02:00
partition_slice_builder.cc
Introduce partition_slice_builder
2015-07-09 19:55:01 +02:00
partition_slice_builder.hh
Introduce partition_slice_builder
2015-07-09 19:55:01 +02:00
query_result_merger.hh
drop unneeded && qualifier from query::result_merger::get()
2015-07-13 10:24:31 +02:00
query-request.hh
db: Use LSA to allocate data inside memtable
2015-08-06 14:05:16 +02:00
query-result-reader.hh
db: Rename "ttl" to "expiry" when it's used as time point
2015-05-06 17:27:22 +02:00
query-result-set.cc
query: result_set: Use type's to_string() to get prettier printout
2015-07-09 19:55:00 +02:00
query-result-set.hh
result_set: Expose get_data_value()
2015-07-02 13:25:46 +02:00
query-result-writer.hh
db: Fix query of partitions with no live clustered rows
2015-07-09 19:55:00 +02:00
query-result.hh
query: Introduce query::result::pretty_print()
2015-07-28 11:31:08 +02:00
query.cc
query: Introduce query::result::pretty_print()
2015-07-28 11:31:08 +02:00
range.hh
Extract range<> into its own header
2015-08-02 16:07:42 +03:00
README-DPDK.md
README: fix typos and paramter syntax
2015-06-28 10:24:48 +03:00
README.md
README: Add recursive to git submodule update command
2015-08-26 13:33:40 +03:00
row_cache.cc
row_cache: Avoid copy when moving whole entry from memtable to cache
2015-08-25 17:07:34 +03:00
row_cache.hh
Rename 'negative_mutation_reader' to 'partition_presence_checker'
2015-08-24 18:03:22 +03:00
schema_builder.hh
schema_builder: provide a build function that doesn't take compact storage.
2015-08-07 09:30:54 -05:00
schema.cc
schema: correctly compound collections
2015-08-18 10:40:04 +03:00
schema.hh
Get configured speculative retry type for read
2015-08-23 15:26:48 +03:00
scylla-gdb.py
gdb: add 'scylla memory' command
2015-07-30 10:56:01 +02:00
serialization_format.hh
db: add equality compare operators to serialization_format
2015-04-10 22:26:41 +03:00
test.py
utils: add crc32 class
2015-08-09 00:05:33 +03:00
timestamp.hh
Decompose database.hh, types.hh into smaller headers
2015-03-04 16:18:48 +02:00
to_string.hh
to_string: Support print std::unordered_set
2015-08-04 20:39:32 +08:00
tombstone.hh
tombstone: make its print operator nicer
2015-06-22 19:00:55 +03:00
types.cc
cql3: Fix CQL parser error message for counter types
2015-08-27 15:34:43 +03:00
types.hh
cql3: Fix CQL parser error message for counter types
2015-08-27 15:34:43 +03:00
unimplemented.cc
unimplemented: Move warnings under DEBUG log level
2015-08-27 13:44:47 +02:00
unimplemented.hh
unimplemented: remove compact table
2015-07-22 23:51:00 -04:00
validation.cc
types: rename why() to what() in exception classes
2015-07-16 16:23:14 +02:00
validation.hh
Relax header dependencies
2015-04-24 18:01:01 +02:00
version.hh
version: change all fields to uint16_t
2015-08-07 20:25:20 +03:00

README.md

#Urchin

##Building Urchin

In addition to required packages by Seastar, the following packages are required by Urchin.

Submodules

Urchin uses submodules, so make sure you pull the submodules first by doing:

git submodule init
git submodule update --recursive

Building urchin on Fedora

Installing required packages:

sudo yum install yaml-cpp-devel lz4-devel zlib-devel snappy-devel jsoncpp-devel thrift-devel antlr3-tool antlr3-C++-devel libasan libubsan

Building urchin on Ubuntu 14.04

Installing required packages:

sudo apt-get install libyaml-cpp-dev liblz4-dev zlib1g-dev libsnappy-dev libjsoncpp-dev
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