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Author SHA1 Message Date
Ivan Paljak
e502b1a306 Remove SM simulation from HB issuer thread 
Summary:
This allows us to decouple issuing heartbeats from the server mode
which is useful when we know we will transition to LEADER but cannot yet
change the mode due to some Raft internals.

It can now happen that a couple of HBs are sent when in FOLLOWER or CANDIDATE
mode, but this doesn't affect the correctness of the protocol.

Reviewers: msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2025
 2019-05-09 13:40:09 +02:00
Lovro Lugovic
fb6350135d LCP: Add named-readtables to the init script 
Reviewers: mferencevic

Reviewed By: mferencevic

Differential Revision: https://phabricator.memgraph.io/D2022
 2019-05-08 16:40:28 +02:00
Ivan Paljak
08b9197c79 Introduce shutdown mode in Raft 
Reviewers: msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2019
 2019-05-08 14:16:20 +02:00
Tonko Sabolcec
4d8f8be1ab Add function that dumps vertices and edges of the graph. 
Summary: Fix lint errors

Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1996
 2019-05-08 10:52:52 +02:00
Matej Ferencevic
5c244c1ad4 Remove Cap'n Proto 
Summary:
There will be a lot of leftover files, execute the following commands inside
`src/` to remove them:
```
git clean -xf
rm -r rpc/ storage/single_node_ha/rpc/
```

Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2011
 2019-05-08 10:51:10 +02:00
Vinko Kasljevic
16d4a7b5b6 Add nullptr check in LruList 
Summary:
Clang-analyzer-core found NullDereference issue in LruList. I don't see
how that can occur, but as a precaution I'll add a CHECK.

Reviewers: msantl, ipaljak

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2015
 2019-05-08 08:52:17 +02:00
Tonko Sabolcec
0849937aea Add less than operator for property value 
Summary: This change will allow comparison of sets/maps containing `PropertyValue`s.

Reviewers: teon.banek, msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2008
 2019-05-07 15:14:22 +02:00
Teon Banek
8e6317436d Add missing comma to stripped_lexer_constants 
Reviewers: mtomic, mferencevic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2010
 2019-05-07 09:39:05 +02:00
Teon Banek
53e2b08a78 Enable more checks in clang-tidy 
Reviewers: mferencevic, msantl

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2009
 2019-05-07 09:38:25 +02:00
Teon Banek
54247fb266 Implement MonotonicBufferResource 
Reviewers: mtomic, mferencevic, msantl

Reviewed By: mtomic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1997
 2019-05-06 16:02:30 +02:00
Matej Ferencevic
291f0425e2 Use SLK for Raft log 
Reviewers: msantl, ipaljak

Reviewed By: ipaljak

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2007
 2019-05-06 15:29:56 +02:00
Tonko Sabolcec
18796c788d Add new PrintIterable to utils algorithm 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2005
 2019-05-06 14:51:32 +02:00
Matej Ferencevic
d678e45c10 Migrate RPC to SLK 
Summary:
Migrate all RPCs
Simplify Raft InstallSnapshot RPC
Add missing Load and Save for `char`

Reviewers: teon.banek, msantl

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2001
 2019-05-06 14:27:57 +02:00
Ivan Paljak
5833e6cc0f Introduce new RPC for heartbeats in Raft 
Summary:
Queries such as `UNWIND RANGE(1, 90000) AS x CREATE(:node{id:x});` work
now. At some point (cca 100000 state deltas) the messages become too large for
Cap'n Proto to handle and that exception kills the cluster. This is fine since
we are about to replace it anyway.

Also, the issue with leadership change during replication still remains if the
user tempers with the constants (election timeout more or less the same to hb
interval). This is unavoidable, so we need to address that issue in the future.

Also, I've removed the unnecessary `backoff_until_` variable and the logic around it.
It's a small change so I kept it within this diff (sorry).

Reviewers: msantl, mferencevic

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1998
 2019-05-06 13:33:10 +02:00
Matej Ferencevic
54882be045 Rewrite distributed_serialization test to use SLK 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2004
 2019-05-06 10:51:32 +02:00
Matej Ferencevic
129c6c0242 Finish SLK implementation 
Reviewers: teon.banek, msantl

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1999
 2019-05-02 15:47:38 +02:00
dlozic
05e4985fd5 Replace Client with HAClient in feature benchmark 
Reviewers: msantl, ipaljak, mferencevic

Reviewed By: msantl, mferencevic

Subscribers: mferencevic, teon.banek, pullbot

Differential Revision: https://phabricator.memgraph.io/D1969
 2019-05-02 10:40:31 +02:00
Matej Ferencevic
9307cdc7ac Fix coverage_binary tool to work with new toolchain 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1994
 2019-04-29 13:51:47 +02:00
Teon Banek
95f4d1c3fa Generate static Save and Load methods for RPCs 
Reviewers: mtomic, mferencevic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1995
 2019-04-29 13:42:17 +02:00
Lovro Lugovic
5dc362d9f5 LCP: Use named-readtables 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1928
 2019-04-29 12:20:06 +02:00
Matej Ferencevic
c5bf7b3c03 Refactor HA coordination 
Reviewers: msantl, ipaljak

Reviewed By: ipaljak

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1992
 2019-04-29 11:26:26 +02:00
Teon Banek
bc46de7b33 Move DistinctCursor to operator.cpp 
Summary: Depends on D1980

Reviewers: mtomic

Reviewed By: mtomic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1986
 2019-04-29 10:35:44 +02:00
Teon Banek
e3fbe56588 Accept utils::MemoryResource in MakeCursor 
Summary:
This API change is needed in order to propagate the memory allocation
scheme for the execution of LogicalOperator::Cursor

Depends on D1990

Reviewers: mtomic, mferencevic

Reviewed By: mtomic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1980
 2019-04-29 10:34:54 +02:00
Teon Banek
2904e86158 Add MemoryResource and Allocator interfaces 
Reviewers: mtomic, mferencevic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1990
 2019-04-26 09:36:14 +02:00
Matej Ferencevic
8b7df83473 Abort SHOW RAFT INFO queries 
Reviewers: teon.banek, msantl

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1983
 2019-04-25 17:38:40 +02:00
Matej Ferencevic
cde2875a50 Fix linter script 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1988
 2019-04-25 17:21:23 +02:00
Matej Ferencevic
13309a0323 Reduce cppcheck warnings 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1985
 2019-04-25 17:20:18 +02:00
Matej Ferencevic
04fea56e91 Remove test_results directory from build 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1987
 2019-04-25 17:20:02 +02:00
Matej Ferencevic
c3cfe876c9 Make manual HA client use the new Bolt client 
Reviewers: msantl, ipaljak

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1976
 2019-04-25 15:45:03 +02:00
Matej Ferencevic
6182312e3d Remove TX info from HA snapshot 
Reviewers: msantl, ipaljak

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1984
 2019-04-25 14:00:00 +02:00
Matej Ferencevic
872b043bed Fix snapshot recovery max TX logic 
Reviewers: msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1982
 2019-04-25 10:11:43 +02:00
Matej Ferencevic
2f066b3a83 Remove leftover distributed fields from snapshot explorer 
Reviewers: msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1981
 2019-04-25 10:11:29 +02:00
Teon Banek
4a3df704b6 Fix iterator invalidation when appending to vector 
Reviewers: mtomic, mferencevic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1979
 2019-04-24 17:17:56 +02:00
Ivan Paljak
c2bc5fe377 Introduce an in-memory copy of Raft log 
Reviewers: msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1978
 2019-04-24 16:06:14 +02:00
Matej Ferencevic
3ffed4bf6d Refactor HA RPC clients 
Reviewers: msantl, ipaljak

Reviewed By: ipaljak

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1977
 2019-04-24 15:40:27 +02:00
Teon Banek
e128a9f80f Move distributed query stuff to new folder 
Summary:
The new distributed directory is inside the query, and mirrors the query
structure. This groups all of the distributed (query) source code
together, which should make the potential directory extraction easier.

Reviewers: mferencevic, llugovic, mtomic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1923
 2019-04-24 09:34:53 +02:00
Teon Banek
4e56673f0d Add basic support for arc lint with clang-tidy 
Reviewers: mferencevic, msantl

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1975
 2019-04-23 15:51:36 +02:00
Matej Ferencevic
9291a5fc4d Migrate to C++17 
Reviewers: teon.banek, buda

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1974
 2019-04-23 14:46:44 +02:00
Matej Ferencevic
75ffcc4ee9 Use new toolchain for parent diff build 
Reviewers: teon.banek, buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1972
 2019-04-23 13:07:20 +02:00
Matej Ferencevic
03226c4b7e Migrate to Clang 8 
Summary:
Add environment setup script
Migrate to new toolchain
Fix tiny issues in codebase
Remove unnecessary test

Reviewers: teon.banek, msantl, buda

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1960
 2019-04-19 12:34:50 +02:00
Matej Ferencevic
1e7bdcec4d Initial version of HA client 
Reviewers: msantl, ipaljak

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1958
 2019-04-18 16:48:30 +02:00
Matej Ferencevic
8999f5fccd Extract HA config to separate file 
Reviewers: msantl, ipaljak

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1964
 2019-04-17 18:45:54 +02:00
Matej Ferencevic
45f2a06a8b Fix various compiler warnings and remove unused test 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1963
 2019-04-17 15:48:52 +02:00
Matej Ferencevic
026c796e06 Move GraphDbAccessor to stack in SN and HA 
Reviewers: msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1944
 2019-04-17 11:29:43 +02:00
Lovro Lugovic
6b62145a59 Fix CypherMainVisitor tests relying on traversal order 
Summary:
The tests `RelationshipPatternNoDetails` and `PatternPartBraces` in
`memgraph__unit__cypher_main_visitor` checked for the names of the anonymous
identifiers and therefore implicitly relied on the order of the traversal of the
tree.

This "bug" surfaced when Memgraph was compiled with GCC (tested on >= 6.3.0).

Reviewers: mtomic, teon.banek, mferencevic

Reviewed By: mtomic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1945
 2019-04-15 16:02:18 +02:00
Matej Ferencevic
7cf9138308 Fix syntax error in jail faker 
Reviewers: msantl, ipaljak

Reviewed By: ipaljak

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1957
 2019-04-12 12:56:58 +02:00
Marko Budiselic
2f4ca7d3f7 Improve error handling related to the dynamic graph partitioning 
Summary:
Fixing bugs in error handling in the following cases (DGP ON):
  * SIGKILL master
  * SIGKILL worker
  * SIGTERM master

Reviewers: mferencevic, msantl, vkasljevic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1896
 2019-04-11 16:10:06 +02:00
Matej Ferencevic
4029026c3b Add bolt verbose error 
Reviewers: msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1948
 2019-04-11 14:20:40 +02:00
Marin Tomic
c269e2f468 Add syntax for node key constraints 
Reviewers: msantl, teon.banek, llugovic, vkasljevic

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1953
 2019-04-11 10:23:37 +02:00
dlozic
c7684c7e93 Add backpacking tutorial 
Summary: New tutorial for backpacking through europe

Reviewers: dsantl, msantl, buda

Reviewed By: dsantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1954
 2019-04-11 09:48:56 +02:00