m

2025-10-31 05:36:08 +02:00 · 2025-02-26 11:46:40 +03:00 · 2025-02-26 11:46:40 +03:00 · f6cd3d62e9
--- a/db/sql/postgres/docs/courses/pg-pro.txt
+++ b/db/sql/postgres/docs/courses/pg-pro.txt
@ -4,8 +4,26 @@ PostgresProfessional - DBA2 Administration of 18 parts
 PostgresProfessional - RogovLuzanovTolmachyov - QPT13 - Query Optimization of p12
    https://postgrespro.ru/education/courses/QPT
    https://www.youtube.com/playlist?list=PLaFqU3KCWw6JW80WBHPOe-SMJD2NOjmge
-    p4 - Inex Scan 0:00 of 41:10
+    p5 - Bitmap Scan 0:00 of 25:57
+        https://www.youtube.com/watch?v=j7e7EANyJhE
+    p4 - Inex Scan 17:00 of 41:10
        https://www.youtube.com/watch?v=iu35dYTchu4
+        ! 8:00 select current_setting('random_page_cost'); -> 4
+        !   !!! need to decrease in case of ssd-disks
+        ! current_setting
+        !   'random_page_cost'
+        !   'seq_page_cost'
+        !   'cpu_tuple_cost'
+        !   'cpu_index_tuple_cost'
+        !   'cpu_operator_cost'
+        ! 18:00 - other params
+        !   min_parallel_index_scan_size
+        !   ...per_...
+        ! 26:00 - create index ... include(...)
+        ! 33:00 - duplicate index records
+        ! 34:30 - pg has dup-idx-records exclusion mechanism (works only upon index-page-split)
+        !   create index ... with(deduplicate_items=off)  -- to switchi it off
+        ! 37:00 - set enable_seqscan = off; -- to temporary disable seqscan
    p3 - Sequential Scan of 47:06
        https://www.youtube.com/watch?v=X2DOIf0DfJ0
        ! parallel processing is not-efficitent for full seq-load, but is effective for the case of agg-n
--- a/db/sql/postgres/feature/functions/presentations.txt
+++ b/db/sql/postgres/feature/functions/presentations.txt
@ -0,0 +1,3 @@
+2025
+Otus - Chekushina - SPs and Functions 0:00 of 11:48:08
+    https://www.youtube.com/watch?v=JvHbuClvwxA
--- a/devops/virt/suse/ranhcer-harvester.txt
+++ b/devops/virt/suse/ranhcer-harvester.txt
@ -0,0 +1,7 @@
+https://www.suse.com/products/rancher/virtualization/
+
+2024
+SuseCIS - Harvester Hyperconvergent Infra ru 0:00 of 1:19:55
+    https://www.youtube.com/watch?v=96h98oyNTN4
+Suse - Discover Open Source Virtualization with SUSE & Veeam 0:00 of 1:31:49
+    https://www.youtube.com/watch?v=1lN3_TUk940
--- a/nontech/movies/misc/zodchiy-zamysel.txt
+++ b/nontech/movies/misc/zodchiy-zamysel.txt
@ -6,6 +6,11 @@ https://donfilm.ru/category/publ/
 https://donfilm.ru/category/zodchiyinterview/
 https://donfilm.ru/category/news/

+2024
+byCradleOfTheSoul - Zamysel senses of p36
+    https://www.youtube.com/playlist?list=PLa9KnPD-pxp0RpVHf6vKgfBALsjn5TlYd
+    ch1 0:00 of 1:25:24
+        https://www.youtube.com/watch?v=IdpJiQ7guHM
 2022
 https://yandex.ru/q/article/_d504190a/
 2021
--- a/nontech/politics/people/yanovskiy.txt
+++ b/nontech/politics/people/yanovskiy.txt
@ -8,6 +8,8 @@ https://www.youtube.com/@OYanovsky
 https://vk.com/video/@theverges

 2025
+BeautifulKanal - Shafran - Yanovskiy - LendLease 2 of 34:50
+    https://www.youtube.com/watch?v=KLhTSncu0RE
 OtlichnyiKanal - Shafran - Yanovskiy - New Face of US VPK of 35:06
    https://www.youtube.com/watch?v=b2eOfBrcSPQ
 AnoMirnas - Yanovskiy - Souvereign Capitalism against Global Market of 16:00
--- a/pl/cross/tools/optimize/books.txt
+++ b/pl/cross/tools/optimize/books.txt
@ -1,3 +1,10 @@
+2024
+https://github.com/dendibakh/perf-book
+https://products.easyperf.net/perf-book-2
+https://github.com/dendibakh/perf-book/releases/tag/2.0_release
+    https://easyperf.net/
+    z/16423080/26bc2f
+    z/77397371/640dc4
 2020
 Gregg - Systems Performance: Enterprise and the Cloud 2nd ed
    2CE3F264A69F7A2E59BE05E579AC0986
--- a/science/ai/agent/free/n8n/docs/presentations.txt
+++ b/science/ai/agent/free/n8n/docs/presentations.txt
@ -1,12 +1,3 @@
-https://n8n.io/
-https://n8n.io/features/
-
-https://github.com/n8n-io/n8n
-
-https://docs.n8n.io/
-https://docs.n8n.io/hosting/
-https://docs.n8n.io/sustainable-use-license/
-
 2025
 AIZdets - I've Created AI Agents Army 0:00 of 38:10
    https://www.youtube.com/watch?v=kUNn6-ONJG8
--- a/science/ai/agent/free/n8n/features/scrap-rss.txt
+++ b/science/ai/agent/free/n8n/features/scrap-rss.txt
@ -0,0 +1,3 @@
+2025
+JulianPatrick - [AI Agent]-No Code RSS BlogScraping Tool 0:00 of 12:46
+    https://www.youtube.com/watch?v=6spyykIxOiM
--- a/science/ai/agent/free/n8n/n8n.txt
+++ b/science/ai/agent/free/n8n/n8n.txt
@ -0,0 +1,8 @@
+https://n8n.io/
+https://n8n.io/features/
+
+https://github.com/n8n-io/n8n
+
+https://docs.n8n.io/
+https://docs.n8n.io/hosting/
+https://docs.n8n.io/sustainable-use-license/
--- a/science/ai/code-assist/docs/books.txt
+++ b/science/ai/code-assist/docs/books.txt
@ -0,0 +1,5 @@
+2025
+Winteringham - Software Testing with Generative AI
+    https://libgen.gs/edition.php?id=150902361
+    https://libgen.gs/edition.php?id=150902992
+    https://libgen.gs/edition.php?id=150912064