m

db/sql/postgres/feature/optimization/presentations.txt

@@ -1,3 +0,0 @@
-2024
-WorkSolutions - Kostenko - Postgres World Optimization Misteries ru 0:00 of 32:50
-    https://www.youtube.com/watch?v=MeTDmLyYD9k

db/sql/postgres/feature/performance/articles.txt

@@ -11,3 +11,8 @@ https://habr.com/ru/company/tensor/blog/487380/
     https://habr.com/ru/users/kilor/posts/
 2019
 https://habr.com/ru/company/tensor/blog/477624/
+https://developer.ibm.com/tutorials/postgresql-experiences-tuning-recomendations-linux-on-ibm-z/
+    https://habr.com/ru/company/southbridge/blog/714096/
+2018
+https://www.2ndquadrant.com/en/blog/partitioning-evolution-postgresql-11/
+    https://habr.com/ru/company/otus/blog/452280/

db/sql/postgres/feature/performance/explain/explain.txt

@@ -0,0 +1,3 @@
+https://www.postgresql.org/docs/current/sql-explain.html
+https://www.postgresql.org/docs/current/using-explain.html
+    https://www.postgresql.org/docs/current/runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS

db/sql/postgres/feature/performance/performance.txt

@@ -0,0 +1,2 @@
+https://www.postgresql.org/docs/current/performance-tips.html
+https://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server

db/sql/postgres/feature/performance/planner/planner.txt

@@ -0,0 +1,2 @@
+https://www.postgresql.org/docs/current/runtime-config-query.html
+https://www.postgresql.org/docs/current/runtime-config-query.html#GUC-JOIN-COLLAPSE-LIMIT

db/sql/postgres/feature/performance/planner/statistics.txt

@@ -0,0 +1,38 @@
+https://www.postgresql.org/docs/current/planner-stats.html
+https://www.postgresql.org/docs/current/multivariate-statistics-examples.html
+
+CREATE EXTENSION pgstattuple;
+SELECT * FROM pgstattuple('table-name') \gx
+-[ RECORD 1 ]------+--------
+table_len          | 4427680
+tuple_count        | 100000
+tuple_len          | 3368895
+tuple_percent      | 76.61
+dead_tuple_count   | 0
+dead_tuple_len     | 0
+dead_tuple_percent | 0
+free_space         | 16552
+free_percent       | 0.37
+
+tuple_percent - percent of useful info
+free_percent - .. of free (old row versions and free space)
+dead_tuple_count - quality of autovacuum
+
+SELECT relname, n_live_tup, n_dead_tup
+FROM pg_stat_user_tables/pg_stat_all_tables;
+
+SELECT
+    relname AS "table",
+    n_live_tup AS live_rows,
+    n_dead_tup AS dead_rows,
+    ROUND((n_dead_tup::float8 / NULLIF(n_live_tup + n_dead_tup, 0)) * 100, 2) AS dead_proc
+FROM
+    pg_stat_user_tables
+WHERE
+    n_live_tup + n_dead_tup > 0
+ORDER BY
+    dead_proc DESC;
+
+SELECT relname, last_autovacuum, last_autoanalyze
+FROM pg_stat_user_tables
+WHERE relname="<table-name>";

db/sql/postgres/feature/performance/presentations.txt

@@ -0,0 +1,6 @@
+2024
+JPoint - Zhilin - PG Can Make a Pain 0:00 of 45:49
+    https://www.youtube.com/watch?v=pTWfjyeQ5Ks
+    https://jokerconf.com/talks/0bd645ad3a0f48c292547db572a1c7eb
+WorkSolutions - Kostenko - Postgres World Optimization Misteries ru 0:00 of 32:50
+    https://www.youtube.com/watch?v=MeTDmLyYD9k

db/sql/postgres/performance.txt

@@ -1,12 +0,0 @@
-https://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server
-
-2024
-JPoint - Zhilin - PG Can Make a Pain 0:00 of 45:49
-    https://www.youtube.com/watch?v=pTWfjyeQ5Ks
-    https://jokerconf.com/talks/0bd645ad3a0f48c292547db572a1c7eb
-2019
-https://developer.ibm.com/tutorials/postgresql-experiences-tuning-recomendations-linux-on-ibm-z/
-    https://habr.com/ru/company/southbridge/blog/714096/
-2018
-https://www.2ndquadrant.com/en/blog/partitioning-evolution-postgresql-11/
-    https://habr.com/ru/company/otus/blog/452280/

pl/java/libfws/spring/boot/docs/books.txt

@@ -1,4 +1,6 @@
 2024
+Meric - Mastering Spring Boot 3.0
+    4060519F4DEA92E06D90E3E15D05729F
 Puig - Spring Boot 3.0 Cookbook
     ACF6761CEAA97E0460D0F0EA3CC0292A
 2023

pl/java/tools/quality/testing/junit/docs/books.txt

@@ -0,0 +1,3 @@
+2024
+Langr - Pragmatic Unit Testing In Java With JUnit 3rd ed
+    5F9FD301AF41BDA177CA04D9F939D028

pl/kt/docs/books.txt

@@ -1,6 +1,8 @@
 http://books.goalkicker.com/KotlinBook/
 
 2024
+Soshin - Kotlin Design Patterns and Best Practices 3rd ed
+    1EFBE911F031A2BC2F83625D13C821DF
 AignerElizarovIsakovaJemerov - Kotlin in Action 2nd ed
     60A4A7FB7DF4D2F6842C6402930C4B63
 2023
@@ -17,8 +19,6 @@ Carli - Functional Programming in Kotlin by Tutorials
     https://github.com/kodecocodes/fpk-materials
     !!! 567p, classic FP/Haskell approach
     ! good diagrams incl CT, beauty colors and diagrams
-Soshin - Kotlin Design Patterns and Best Practices 2nd ed
-    magnet:?xt=urn:btih:b2fd201a88b7767616a489a1bd3d480de7977ece
 2021
 McGregorPryce - Java to Kotlin a Refactoring Guidebook
     5EC7B6C8ECF22B8A22CC11B8E19852D0

security/server/keycloak/docs/books.txt

@@ -1,3 +1,8 @@
+2024
+Meric - Mastering Spring Boot 3.0
+    4060519F4DEA92E06D90E3E15D05729F
+    ! about spring-security integration
+    ! @WithMockUser
 2023
 ThorgersenSilva - Keycloak - Identity and Access Management for Modern Applications 2nd ed
     2FCEDB79A750149203A1E5CEA5118AA2