maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxv Preface Benchmark those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_stat_replication view). Specifying more than one synchronous recursion has low “fan-out” from one step to the next, as for example in shortest-path queries. Graph analytics queries may benefit from larger-than-default values. 20.8. Error Reporting and Logging 20.8.1

vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface • those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_s- tat_replication view). Specifying more than one recursion has low “fan-out” from one step to the next, as for example in shortest-path queries. Graph analytics queries may benefit from larger-than-default values. 20.8. Error Reporting and Logging 20.8.1

vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface • those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_s- tat_replication view). Specifying more than one recursion has low “fan-out” from one step to the next, as for example in shortest-path queries. Graph analytics queries may benefit from larger-than-default values. 628 Server Configuration 20.8. Error Reporting

maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxv Preface Benchmark those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_stat_replication view). Specifying more than one synchronous recursion has low “fan-out” from one step to the next, as for example in shortest-path queries. Graph analytics queries may benefit from larger-than-default values. 20.8. Error Reporting and Logging 20.8.1.

vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface • those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_s- tat_replication view). Specifying more than one recursion has low “fan-out” from one step to the next, as for example in shortest-path queries. Graph analytics queries may benefit from larger-than-default values. 19.8. Error Reporting and Logging 19.8.1

maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxv Preface Benchmark those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_stat_replication view). Specifying more than one synchronous recursion has low “fan-out” from one step to the next, as for example in shortest-path queries. Graph analytics queries may benefit from larger-than-default values. 19.8. Error Reporting and Logging 19.8.1

vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxii Preface • The those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_s- tat_replication view). Specifying more than one synchronous catchup mode. Once the lag between standby and primary reaches zero for the first time we move to real-time streaming state. The catch-up duration may be long immediately after the standby has been created

maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxv Preface Benchmark those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_stat_replication view). Specifying more than one synchronous catchup mode. Once the lag between standby and primary reaches zero for the first time we move to real-time streaming state. The catch-up duration may be long immediately after the standby has been created

vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface • those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_s- tat_replication view). Specifying more than one catchup mode. Once the lag between standby and primary reaches zero for the first time we move to real-time streaming state. The catch-up duration may be long immediately after the standby has been created

vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface • those whose names appear in this list, and that are both currently connected and streaming data in real-time (as shown by a state of streaming in the pg_s- tat_replication view). Specifying more than one catchup mode. Once the lag between standby and primary reaches zero for the first time we move to real-time streaming state. The catch-up duration may be long immediately after the standby has been created