Eugene Kim
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Articles
Recent activity by Eugene Kim-
Executing perf Linux profiler
Environment YugabyteDB All Versions Issue During the course of an investigation, advanced debugging of processes may be required and leverage the Linux perf utility. The Linux perf utility is mo...
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Tserver process crashes with "Too many open files"
Environment All Yugabyte versions Issue Yugabyte tserver process can crash with messages similar to the following: F0906 13:22:21.111539 2518302 log_util.cc:191] Check failed: _s.ok() Bad sta...
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YBA Restore fails with error "Table Does Not Exist"
Environment YugabyteDB Anywhere - 2.20.2 YugabyteDB - 2.14 and above IssueYBA restore(using YBA Backup) fails with error like below:ImportTableEntry: YSQL table not found: test_table_temp_old (for ...
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Scheduled Universe Backup is Skipped
Environment YugabyteDB Anywhere - 2.18+ installed using YBA Installer Issue One or more Universe backups are skipped when a backup schedule conflicts with YugabyteDB Anywhere (YBA) backups create...
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Backups Fail with "ERROR: function yb_catalog_version() does not exist" in YBController logs
Environment YugabyteDB - 2.6 and above. Issue Universe Backups fails, YBAnywhere Application log shows: YW 2023-12-18T06:01:44.037Z [ERROR] eb8391b3-859d-4769-a0d7-27016f43c467 from CreateBackup ...
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YBController based backups failing with COMMAND FAILED and return code 1
Environment YugabyteDB Anywhere - 2.16 and above. YugabyteDB - 2.16 and above. Issue YBController based backups can fail with the following error in the YBAnywhere application logs: YW 2023-07-31...
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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...