---> uname -a: Linux prd-centos8-redis-4c-4g-13774.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 12822 19 2212 14695 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:55:d4:be brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.92/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86223sec preferred_lft 86223sec inet6 fe80::f816:3eff:fe55:d4be/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) 01/20/2024 _x86_64_ (4 CPU) 17:59:36 LINUX RESTART (4 CPU) 06:00:00 PM tps rtps wtps bread/s bwrtn/s 06:00:01 PM 94.21 15.70 78.51 165.29 106300.83 06:01:01 PM 260.02 150.96 109.07 7552.74 9334.99 06:02:01 PM 170.53 7.33 163.20 677.77 11578.22 Average: 214.06 78.51 135.56 4075.55 11413.25 06:00:00 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:01 PM 14268952 15509864 1872580 11.60 2688 1470860 435376 2.70 94640 1485740 25828 06:01:01 PM 13407224 15152940 2734308 16.94 2688 1951260 842404 4.90 209972 2152260 171676 06:02:01 PM 13098980 15013800 3042552 18.85 2688 2113244 914836 5.32 416180 2221260 46296 Average: 13591719 15225535 2549813 15.80 2688 1845121 730872 4.25 240264 1953087 81267 06:00:00 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 PM eth0 14.88 10.74 3.94 2.64 0.00 0.00 0.00 0.00 06:01:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 PM eth0 372.30 204.62 1878.70 54.66 0.00 0.00 0.00 0.00 06:02:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 PM eth0 277.99 203.55 1518.79 84.75 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 322.05 202.15 1681.81 69.04 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) 01/20/2024 _x86_64_ (4 CPU) 17:59:36 LINUX RESTART (4 CPU) 06:00:00 PM CPU %user %nice %system %iowait %steal %idle 06:00:01 PM all 0.84 0.42 1.90 32.70 0.00 64.14 06:00:01 PM 0 0.85 0.85 2.54 12.71 0.00 83.05 06:00:01 PM 1 0.85 0.00 1.71 97.44 0.00 0.00 06:00:01 PM 2 0.00 0.00 0.85 19.49 0.00 79.66 06:00:01 PM 3 1.65 0.83 2.48 2.48 0.00 92.56 06:01:01 PM all 24.53 1.40 15.58 2.95 0.11 55.44 06:01:01 PM 0 20.54 1.41 19.30 2.32 0.10 56.33 06:01:01 PM 1 15.31 1.88 14.72 3.05 0.12 64.92 06:01:01 PM 2 27.55 1.09 13.60 3.48 0.12 54.16 06:01:01 PM 3 34.68 1.21 14.69 2.96 0.10 46.36 06:02:01 PM all 25.99 0.00 2.28 1.72 0.08 69.93 06:02:01 PM 0 17.92 0.00 1.60 0.87 0.07 79.54 06:02:01 PM 1 17.47 0.00 1.88 1.59 0.08 78.98 06:02:01 PM 2 28.06 0.00 1.84 1.74 0.07 68.30 06:02:01 PM 3 40.56 0.00 3.81 2.67 0.08 52.88 Average: all 25.02 0.70 8.85 2.63 0.09 62.71 Average: 0 19.05 0.70 10.36 1.70 0.08 68.11 Average: 1 16.24 0.93 8.23 3.24 0.10 71.26 Average: 2 27.53 0.54 7.64 2.77 0.09 61.42 Average: 3 37.26 0.61 9.18 2.81 0.09 50.05