---> uname -a: Linux prd-centos8-redis-4c-4g-4414.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: 2799.998 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 713 12796 17 2252 14710 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 fq_codel state UP group default qlen 1000 link/ether fa:16:3e:42:79:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.118/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86221sec preferred_lft 86221sec inet6 fe80::f816:3eff:fe42:7929/64 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) 11/25/2023 _x86_64_ (4 CPU) 17:57:31 LINUX RESTART (4 CPU) 05:58:01 PM tps rtps wtps bread/s bwrtn/s 05:59:01 PM 228.25 114.95 113.30 3151.61 7722.53 06:00:01 PM 167.74 6.91 160.83 654.58 12931.92 Average: 197.99 60.93 137.07 1902.99 10327.44 05:58:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:59:01 PM 13356832 15109168 2784700 17.25 2688 1956344 898368 5.23 210480 2207508 177488 06:00:01 PM 13070656 15024888 3070876 19.02 2688 2148816 883856 5.14 410632 2253972 60780 Average: 13213744 15067028 2927788 18.14 2688 2052580 891112 5.18 310556 2230740 119134 05:58:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 PM eth0 88.85 62.12 1216.15 11.98 0.00 0.00 0.00 0.00 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 298.00 217.21 1689.57 86.99 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 193.43 139.67 1452.88 49.49 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) 11/25/2023 _x86_64_ (4 CPU) 17:57:31 LINUX RESTART (4 CPU) 05:58:01 PM CPU %user %nice %system %iowait %steal %idle 05:59:01 PM all 20.53 0.89 12.89 3.15 0.10 62.44 05:59:01 PM 0 19.86 0.57 9.44 2.33 0.08 67.72 05:59:01 PM 1 15.21 1.01 12.73 2.48 0.10 68.47 05:59:01 PM 2 24.32 1.42 19.46 3.90 0.12 50.77 05:59:01 PM 3 22.73 0.57 9.92 3.91 0.08 62.79 06:00:01 PM all 24.37 0.00 2.47 2.33 0.08 70.74 06:00:01 PM 0 13.55 0.00 1.83 2.17 0.10 82.34 06:00:01 PM 1 22.44 0.00 3.98 3.99 0.08 69.51 06:00:01 PM 2 24.13 0.00 1.84 1.47 0.07 72.49 06:00:01 PM 3 37.39 0.00 2.26 1.71 0.08 58.56 Average: all 22.45 0.45 7.68 2.74 0.09 66.59 Average: 0 16.70 0.28 5.63 2.25 0.09 75.05 Average: 1 18.82 0.50 8.36 3.24 0.09 68.99 Average: 2 24.23 0.71 10.64 2.68 0.09 61.65 Average: 3 30.07 0.28 6.09 2.81 0.08 60.67