---> uname -a: Linux prd-centos8-redis-4c-4g-4172.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: 2799.996 BogoMIPS: 5599.99 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 730 12833 19 2198 14693 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:e2:86:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.49/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86212sec preferred_lft 86212sec inet6 fe80::f816:3eff:fee2:8687/64 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) 02/10/2024 _x86_64_ (4 CPU) 01:35:31 LINUX RESTART (4 CPU) 01:36:01 AM tps rtps wtps bread/s bwrtn/s 01:37:01 AM 211.58 113.33 98.25 3134.94 6738.41 01:38:01 AM 162.85 7.18 155.66 656.98 11284.91 Average: 187.21 60.25 126.96 1895.86 9011.85 01:36:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:37:01 AM 13438856 15157092 2702676 16.74 2688 1924244 829852 4.83 206300 2126092 160124 01:38:01 AM 13146148 15034596 2995384 18.56 2688 2087452 871776 5.07 408484 2184040 35272 Average: 13292502 15095844 2849030 17.65 2688 2005848 850814 4.95 307392 2155066 97698 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 166.97 142.71 1047.04 23.63 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 339.82 243.32 1566.04 88.22 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 253.40 193.02 1306.56 55.93 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) 02/10/2024 _x86_64_ (4 CPU) 01:35:31 LINUX RESTART (4 CPU) 01:36:01 AM CPU %user %nice %system %iowait %steal %idle 01:37:01 AM all 19.94 0.92 14.78 1.75 0.10 62.51 01:37:01 AM 0 9.52 1.19 17.00 1.94 0.08 70.27 01:37:01 AM 1 17.43 1.19 17.28 1.52 0.10 62.48 01:37:01 AM 2 34.54 0.54 11.28 1.91 0.08 51.65 01:37:01 AM 3 18.33 0.77 13.55 1.63 0.13 65.59 01:38:01 AM all 24.25 0.00 2.27 1.68 0.08 71.73 01:38:01 AM 0 19.45 0.00 2.20 1.70 0.08 76.56 01:38:01 AM 1 24.90 0.00 2.43 2.41 0.07 70.20 01:38:01 AM 2 28.75 0.00 2.29 1.69 0.08 67.19 01:38:01 AM 3 23.91 0.00 2.16 0.90 0.08 72.95 Average: all 22.10 0.46 8.52 1.71 0.09 67.12 Average: 0 14.49 0.59 9.60 1.82 0.08 73.42 Average: 1 21.16 0.59 9.85 1.97 0.08 66.35 Average: 2 31.64 0.27 6.78 1.80 0.08 59.42 Average: 3 21.12 0.38 7.85 1.26 0.11 69.27