tursom/memgraph
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5 Commits

Author SHA1 Message Date
florijan
4460dd79f9 Durability - snapshot magic num, version and tx snapshot added 
Summary:
New snapshot structure:
- magic number
- snapshot version (old-version recovery not yet implemented)
- transaction snapshot (will be used in the WAL)
- the rest is as before (indices, vertices, edges)

Not backward compatible with the old snapshotting.

Does not improve error handling (user feedback). A task for that has been added.

Reviewers: buda, mislav.bradac, mferencevic, teon.banek

Reviewed By: teon.banek

Subscribers: teon.banek, dgleich, pullbot

Differential Revision: https://phabricator.memgraph.io/D912
 2017-10-23 15:51:35 +02:00
Teon Banek
96d9846b25 Remove traces of custom assert 
Reviewers: mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D905
 2017-10-13 09:34:13 +02:00
Dominik Gleich
fcecb14545 Replace debug_assert, permanent_assert with DCHECK/CHECK 
Summary:
Phase 2.

Phase 3.

Phase 4.

Phase 5.

Complete refactor.

Reviewers: florijan, mislav.bradac

Reviewed By: mislav.bradac

Subscribers: mislav.bradac, pullbot

Differential Revision: https://phabricator.memgraph.io/D895
 2017-10-11 14:43:32 +02:00
florijan
ef5a381654 Snapshot generator improvements 
Summary: Added support for optional properties, random integers (uniform distr) and random strings.

Reviewers: mislav.bradac, buda

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D885
 2017-10-10 10:20:15 +02:00
florijan
880a563cf3 Generate snapshot added 
Summary:
A cool new graph generator. It's really cool!

It is currently being used for generating the Ravelin graph with the following config:
```
{
  "indexes": ["Node.id"],
  "nodes": [
    {
      "count": 40000000,
      "labels": ["Node"],
      "properties": {
              "id" : {"type": "counter", "param" : "Node.id"},
              "fradulent" : {"type" : "bernoulli", "param" : 0.0005}
      }
    }
  ],
  "edges": [
    {
      "count": 80000000,
      "from": "Node",
      "to": "Node",
      "type": "Edge"
    }
  ]
}
```

Reviewers: buda, mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D872
 2017-10-06 15:53:02 +02:00