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Logical replication apply workers for a subscription can easily get stuck in an infinite loop of attempting to apply a change, triggering an error (such as a constraint violation), exiting with the error written to the subscription server log, and restarting. To partially remedy the situation, this patch adds a new subscription option named 'disable_on_error'. To be consistent with old behavior, this option defaults to false. When true, both the tablesync worker and apply worker catch any errors thrown and disable the subscription in order to break the loop. The error is still also written in the logs. Once the subscription is disabled, users can either manually resolve the conflict/error or skip the conflicting transaction by using pg_replication_origin_advance() function. After resolving the conflict, users need to enable the subscription to allow apply process to proceed. Author: Osumi Takamichi and Mark Dilger Reviewed-by: Greg Nancarrow, Vignesh C, Amit Kapila, Wang wei, Tang Haiying, Peter Smith, Masahiko Sawada, Shi Yu Discussion : https://postgr.es/m/DB35438F-9356-4841-89A0-412709EBD3AB%40enterprisedb.com |
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| initdb | ||
| pg_amcheck | ||
| pg_archivecleanup | ||
| pg_basebackup | ||
| pg_checksums | ||
| pg_config | ||
| pg_controldata | ||
| pg_ctl | ||
| pg_dump | ||
| pg_resetwal | ||
| pg_rewind | ||
| pg_test_fsync | ||
| pg_test_timing | ||
| pg_upgrade | ||
| pg_verifybackup | ||
| pg_waldump | ||
| pgbench | ||
| pgevent | ||
| psql | ||
| scripts | ||
| Makefile | ||