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zettadb / kunlun

KunlunBase is a distributed relational database management system(RDBMS) with complete NewSQL capabilities and robust transaction ACID guarantees and is compatible with standard SQL. Applications which used PostgreSQL or MySQL can work with KunlunBase as-is without any code change or rebuild because KunlunBase supports both PostgreSQL and MySQL connection protocols and DML SQL grammars. MySQL DBAs can quickly work on a KunlunBase cluster because we use MySQL as storage nodes of KunlunBase. KunlunBase can elastically scale out as needed, and guarantees transaction ACID under error conditions, and KunlunBase fully passes TPC-C, TPC-H and TPC-DS test suites, so it not only support OLTP workloads but also OLAP workloads. Application developers can use KunlunBase to build IT systems that handles terabytes of data, without any effort on their part to implement data sharding, distributed transaction processing, distributed query processing, crash safety, high availability, strong consistency, horizontal scalability. All these powerful features are provided by KunlunBase. KunlunBase supports powerful and user friendly cluster management, monitor and provision features, can be readily used as DBaaS.
http://www.kunlunbase.com
Apache License 2.0
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OGG report error #654

Open jd-zhang opened 2 years ago

jd-zhang commented 2 years ago

Issue migrated from trac ticket # 440

component: computing nodes | priority: major

2022-02-22 15:41:22: smith created the issue

when a save point SVP is started in a txn T, then a DML stmt accesses a new storage shard S2, SVP should be created in S2 when the 1st stmt is executed on it, even if the stmt is a read only SELECT stmt. The mechanism is in place already, but looks like it's not functioning right in this scenario.

jd-zhang commented 2 years ago

2022-02-22 15:42:26: smith uploaded file kunlun-postgresql-2022-02-22_152045(1).log (185.8 KiB)

jd-zhang commented 2 years ago

2022-02-22 15:42:53: smith changed owner from david to smith

jd-zhang commented 2 years ago

2022-02-22 15:42:53: smith changed status from new to assigned

jd-zhang commented 2 years ago

2022-02-22 18:30:05: zhaowei@zettadb.com edited the issue description

jd-zhang commented 2 years ago

2022-02-22 18:30:05: zhaowei@zettadb.com

jd-zhang commented 2 years ago

2022-02-22 18:30:05: zhaowei@zettadb.com changed severity from trivial to normal

jd-zhang commented 2 years ago

2022-04-06 17:28:42: smith

jd-zhang commented 2 years ago

2022-04-06 17:28:42: smith commented

Cannot reproduce this problem by myself.