---> uname -a: Linux prd-centos8-redis-4c-4g-8162.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 8.8G 72G 11% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 728 12846 19 2187 14697 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:4b:b3:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.93/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86230sec preferred_lft 86230sec inet6 fe80::f816:3eff:fe4b:b3b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8---redis------310180101-1010.novalocal) 02/24/2024 _x86_64_ (4 CPU) 01:35:42 LINUX RESTART (4 CPU) 01:36:01 AM tps rtps wtps bread/s bwrtn/s 01:37:01 AM 257.65 159.75 97.90 7690.25 7687.84 01:38:01 AM 163.73 7.20 156.53 657.38 10738.54 Average: 210.69 83.47 127.22 4173.82 9213.19 01:36:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:37:01 AM 13469616 15162236 2671916 16.55 2688 1899268 846712 4.93 207144 2096720 142432 01:38:01 AM 13159964 15041824 2981568 18.47 2688 2081428 861576 5.01 408072 2173340 49428 Average: 13314790 15102030 2826742 17.51 2688 1990348 854144 4.97 307608 2135030 95930 01:36:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:37:01 AM eth0 368.84 198.10 1532.65 53.34 0.00 0.00 0.00 0.00 01:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:38:01 AM eth0 282.76 199.68 1623.49 84.39 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 325.80 198.89 1578.07 68.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8---redis------310180101-1010.novalocal) 02/24/2024 _x86_64_ (4 CPU) 01:35:42 LINUX RESTART (4 CPU) 01:36:01 AM CPU %user %nice %system %iowait %steal %idle 01:37:01 AM all 27.59 1.50 19.43 2.42 0.11 48.95 01:37:01 AM 0 29.43 1.64 14.97 2.13 0.13 51.70 01:37:01 AM 1 18.01 1.71 22.43 2.89 0.10 54.86 01:37:01 AM 2 25.89 1.56 22.31 1.78 0.10 48.36 01:37:01 AM 3 37.05 1.09 18.03 2.88 0.10 40.85 01:38:01 AM all 24.36 0.00 2.37 1.63 0.09 71.55 01:38:01 AM 0 18.54 0.00 2.70 1.69 0.10 76.97 01:38:01 AM 1 30.18 0.00 2.16 1.49 0.08 66.09 01:38:01 AM 2 20.36 0.00 2.23 1.42 0.08 75.90 01:38:01 AM 3 28.38 0.00 2.39 1.94 0.08 67.21 Average: all 25.97 0.75 10.88 2.02 0.10 60.27 Average: 0 23.97 0.82 8.83 1.91 0.12 64.36 Average: 1 24.11 0.85 12.27 2.19 0.09 60.49 Average: 2 23.12 0.78 12.25 1.60 0.09 62.16 Average: 3 32.70 0.54 10.19 2.41 0.09 54.07