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In isolation tests, we can not test queries sent from MX nodes.
In order to catch distributed locks within isolation test logic, we have implemented UDFs to understand that there is a distributed t…
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## Feature Request
### Is your feature request related to a problem? Please describe:
when mysql data amount and throughout grows，the sharding strategy is not limited in one database ,in some key …
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Unfortunatelly, sui has a validator dominance problem:
[Top Delegators](https://suivision.xyz/validators?tab=Top+Delegators)
Currently a single validator holds more then 33% of all delegates.
…
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*Issue migrated from trac ticket # 164*
**component:** computing nodes | **priority:** major
#### 2021-09-22 11:22:30: @david-zhao created the issue
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> if a UPDATE or DELETE statement executed …
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Jira Link: [DB-3162](https://yugabyte.atlassian.net/browse/DB-3162)
We can detect some deadlocks without relying on distributed deadlock detection by just looking at local wait-for relationships. We …
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We prohibit establishing foreign key relationships between local and distributed tables. It can be circumvented as follows.
### Steps
- Create referenced table (r1)
- Create referer table (r2). …
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[X/Open XA](https://en.wikipedia.org/wiki/X/Open_XA) is a standard for distributed transaction processing *across multiple database engines*. This is used in enterprise scenarios where data is spread …
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# The Life of a Transaction
A new transaction or block usually goes through the following steps after it is received by the full node.
1. If the transaction has already been received, it is disc…
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In `src/backend/distributed/operations/worker_shard_copy.c` file contains our main COPY logic for for shard moves and shard splits. After talking with @DimCitus I realized that we could use the [`FREE…
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## Describe the feature
Support YugabyteDB as a State Store.
About YugabyteDB:
YugabyteDB is a transactional distributed SQL database for cloud-native applications. It is wire-compatible with Pos…