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Showing posts from April, 2021

Why Gemfire Used in SAS?

Answer: Latency Latency Pyramid - CPU vs Memory vs Disk The below chart show how much time it takes to process data in each resource. We can see Disk Seek is the biggest bottleneck. We can improve it by storing the data in-memory. Gemfire allows to store data in in-memory data grid.

Verify Certificate Key and CRT in SAS using OpenSSL Command

 Error: [Wed Jan 13 19:37:41 2021] [warn] RSA server certificate CommonName (CN) `hostname' does NOT match server name!? [Wed Jan 13 19:37:41 2021] [warn] RSA server certificate CommonName (CN) `hostname' does NOT match server name!? [Wed Jan 13 19:37:41 2021] [notice] Apache/2.2.34.0 (Unix) PivotalWebServer/5.5.4 mod_ssl/2.2.34.0 OpenSSL/1.0.2l-fips mod_bmx/0.9.6 configured -- resuming normal operations [Wed Jan 13 19:37:50 2021] [error] [client 10.141.116.229] File does not exist: /test/sasconfig/Lev1/Web/WebServer/htdocs/favicon.ico, referer: https://hostname:8343/ [Wed Jan 13 19:38:19 2021] [error] [client 10.141.116.229] File does not exist: /test/sasconfig/Lev1/Web/WebServer/htdocs/favicon.ico, referer: https://hostname:8343/ Command for crt file: openssl x509 -noout -modulus -in hostname.crt | openssl md5 Output: (stdin)= b3d24204e284a8a300fc462a6e2f9357 Command for Key file: openssl x509 -noout -modulus -in hostname.crt_bkp | openssl md5 Output: (stdin)= b3d24204e284a8a