Andrii Lomakin
Andrii Lomakin
### OrientDB Version: 3.2.x OStorageRemoteAsyncOperationTest.testAsyncRead/testSyncCall tests are failing with the exception: ``` \[INFO\] Running com.orientechnologies.orient.client.remote.OStorageRemoteAsyncOperationTest Apr 01, 2022 10:44:24 AM com.orientechnologies.common.log.OLogManager log INFO: Detected limit of amount of simultaneously open...
Hello, As far as I know, Microsoft has filled several patents based on Bw-Tree research papers. My question is why the usage of OpentBWTree does not break those patents or...
I am using gloomio in a disk cache (which is part of a bigger database project) which provides the possibility to load pages from the disk, keep them inside of...
Hi, I am the only beginner in this area, but as far as I understand write/read calls of the file implementations can write/read provided data only partially (I suppose behaviour...
Implementation of sequences is highly unstable and leads to situations when tests constantly fail. We need to implement it; in the current state, sequence implementation is merely unusable.
The usage of JFR provides integration with different monitoring tools, including open telemetry. Which is a de facto monitoring tool for the cloud.
Because lightweight edges have been prohibited since 4.0, we need to create a tool for users (likely SQL command, which will temporarily exist until the 5.0 version) to convert all...
Resolve all existing compiler warnings and fail build in case of the presence of new ones.
High-level algorithm https://ordinary-mine-bbc.notion.site/Implementation-of-the-serializable-level-of-isolation-in-the-OrientDB-algorithm-a29343931a3c430aa4985ac2ad893caa?pvs=4 Implementation details are coming. ---------------------------------------------------------------------------------------------------------------------------------------- Links: Serializable Isolation for Snapshot Databases https://courses.cs.washington.edu/courses/cse444/08au/544M/READING-LIST/fekete-sigmod2008.pdf The Serial Safety Net: Efficient Concurrency Control on Modern Hardware https://event.cwi.nl/damon2015/papers/damon15-wang.pdf Efficiently making (almost) any...
OrientDB essentially gathers write set under four HashMaps: ``` protected Map updatedRids = new HashMap(); protected Map allEntries = new LinkedHashMap(); protected Map indexEntries = new LinkedHashMap(); protected Map recordIndexOperations...