Eugene Kim
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Articles
Recent activity by Eugene Kim-
Query Performance issue when using LZ4 compression
Environment YugabyteDB - 2.14, 2.16, and 2.18 Issue Query performance issue in a multi-region deployment. Typically the degradation will be reported only for specific queries. The performance iss...
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How to Gather Prometheus Memory Consumption Information
Issue Prometheus process on Yugabyte Anywhere stops abruptly, or is suspected of running out of memory. Steps Navigate to the web browser to <YB Anyhwere Hostname or IP>:9090 and enter the...
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Database backup hangs after YugabyteDB Anywhere Upgrade to 2.16
Environment YugabyteDB Anywhere - 2.16 and above. Issue After Upgrading YBAnywhere to 2.16.1 Database backups take more time to complete. YBAnywhere Application log shows most of the time is spen...
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"DB write/read test error" Alerts after upgrading to YBA 2.12.1 or newer.
Environment YugabyteDB Anywhere - 2.12.1 or newer Issue After Upgrading to YBA version 2.12.1, New "DB write/read test error" Alerts are received for multiple Universes. For Example: severity=SEV...
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How to Collect Tablet Files
Environment YugabyteDB - 2.x Issue The the course of investigation, the Yugabyte Support Team may request specific table or tablet files from specific node(s) for purposes of detailed analysis. ...
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Tables do not respect Region or Availability Zone placement info after being restored
Environment YugabyteDB <= 2.8.x YugabyteDB 2.12.x YugabyteDB 2.14.x YugabyteDB 2.16.x Issue When performing a restore operation on an affected version of Yugabyte software, metadata information...
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High Resource Utilization During Database Backup Operations
Environment YugabyteDB - 2.6.x YugabyteDB - 2.8.3 and older Issue When creating database backups through YugabyteDB Anywhere (YBA), database nodes experience high resource utilization at the begi...
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Message "Network error: SSL read failed" appears in the YugabyteDB Master Logs
Environment YugabyteDB Anywhere - 2.20.x and older YugabyteDB Anywhere - 2024.1.x YugabyteDB Anywhere - 2024.2.x Issue The following message appears in the YugabyteDB master logs: I1129 02:34:02....
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YugabyteDB Anywhere Read / Write Health Check May Interfere with Query Performance Analysis
Environment YugabyteDB Anywhere - 2.12 or newer Issue Starting in version 2.12, YugabyteDB Anywhere (YBA) introduced a new read / write health check for YSQL. This check connects to each tablet s...
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select from pg_catalog causes postgres crash in 2.12.7, 2.12.8 and 2.12.9.0
Environment Yugabyte versions 2.12.7, 2.12.8, and 2.12.9.0. ysql use cases Issue The following postgres database connection attempts will fail: Postgres crashes when attempting to connect from d...