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Open-source graph database, built for real-time streaming data, compatible with Neo4j.
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C++ 70.6%
Python 14.1%
Gherkin 6.7%
Shell 2.9%
Common Lisp 1.5%
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Matija Santl 363cdb8b88 Issue NO_OP StateDeltas on leader change 
Summary:
Creating Raft noop logs on leader change will trigger the whole
log replication procedure that ends up committing/applying state deltas on newly
elected leaders that didn't receive the last commit index from the previous
leader.

I also included a small tweak that won't trigger add logs when a transaction
contains only BEGIN and ABORT StateDeltas, because we don't want to replicate
read queries.

Reviewers: ipaljak

Reviewed By: ipaljak

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1785
2019-01-04 10:12:32 +01:00
cmake Serialize StateDelta for HA 2018-11-12 13:36:11 +01:00
config Implement full durability mode 2018-08-29 16:05:07 +02:00
customers Implement manage script for card fraud demo 2018-02-12 13:29:12 +01:00
docs Wire raft into memgraph pt.1. 2018-12-10 17:08:36 +01:00
experimental Integrate code coverage with Apollo 2018-01-15 12:20:11 +01:00
libs Initial implementation of authentication 2018-07-27 13:08:17 +02:00
poc Clean utils folder (namespaces, function names) 2018-04-22 09:44:32 +02:00
release Movie tutorial database added 2018-10-29 11:02:41 +01:00
src Issue NO_OP StateDeltas on leader change 2019-01-04 10:12:32 +01:00
tests Replace NodeAtom and EdgeAtom with CreationInfo 2018-12-20 13:06:33 +01:00
tools Make analyze_rpc_calls script work with new TypeInfo 2018-11-27 15:02:53 +01:00
.arcconfig arcconfig: Default to master for diff and land 2017-11-07 18:41:51 +01:00
.clang-format Edges data structure now supports multiple edge filtering (implicit OR) 2017-09-26 13:46:18 +02:00
.gdbinit Add pretty printer to gdb for TypedValue 2017-08-16 11:32:25 +02:00
.gitignore Convert symbol.hpp to LCP 2018-11-22 09:52:18 +01:00
.ycm_extra_conf.py Add kafka library and integrate it into memgraph 2018-07-06 15:52:23 +02:00
apollo_archives.py Refactor Apollo build projects 2018-03-27 13:47:18 +02:00
apollo_archives.yaml Polish Bolt client and mg_client 2018-10-19 13:55:51 +02:00
apollo_build.yaml Remove user technical docs from daily build 2018-10-10 16:28:15 +02:00
CHANGELOG.md Add changelog for version 0.14 2018-10-29 10:32:23 +01:00
CMakeLists.txt Add changelog for version 0.14 2018-10-29 10:32:23 +01:00
Doxyfile Add initial version of Apollo config files 2018-01-10 14:46:10 +01:00
Doxylogo.png Doxygen setup 2016-12-20 15:49:52 +01:00
init Fix the creation of a symlink in Quicklisp's local-projects directory 2018-10-18 14:58:53 +02:00
README.md Migrate command line args to gflgs in tests 2017-07-06 13:54:12 +02:00

README.md

memgraph

Memgraph is an ACID compliant high performance transactional distributed in-memory graph database featuring runtime native query compiling, lock free data structures, multi-version concurrency control and asynchronous IO.

dependencies

Memgraph can be compiled using any modern c++ compiler. It mostly relies on the standard template library, however, some things do require external libraries.

Some code contains linux-specific libraries and the build is only supported on a 64 bit linux kernel.

  • linux
  • clang 3.8 (good c++11 support, especially lock free atomics)
  • antlr (compiler frontend)
  • cppitertools
  • fmt format
  • google benchmark
  • google test
  • glog
  • gflags