---> uname -a: Linux prd-centos8-redis-4c-4g-5544.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 748 12770 19 2244 14674 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:41:a0:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.220/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86222sec preferred_lft 86222sec inet6 fe80::f816:3eff:fe41:a0d3/64 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) 12/16/2023 _x86_64_ (4 CPU) 10:47:43 LINUX RESTART (4 CPU) 10:48:01 AM tps rtps wtps bread/s bwrtn/s 10:49:01 AM 269.09 163.30 105.80 7844.20 27166.86 10:50:01 AM 169.78 7.13 162.65 647.65 12065.94 Average: 219.44 85.21 134.22 4245.93 19616.40 10:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:49:01 AM 13477976 15154612 2663548 16.50 2688 1883496 826660 4.81 206224 2090136 131792 10:50:01 AM 13157816 15091588 2983708 18.48 2688 2132104 801780 4.66 240320 2334532 75728 Average: 13317896 15123100 2823628 17.49 2688 2007800 814220 4.74 223272 2212334 103760 10:48:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 AM eth0 344.32 176.22 1468.51 50.38 0.00 0.00 0.00 0.00 10:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 AM eth0 337.15 221.91 1911.35 88.50 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 340.74 199.07 1689.93 69.44 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) 12/16/2023 _x86_64_ (4 CPU) 10:47:43 LINUX RESTART (4 CPU) 10:48:01 AM CPU %user %nice %system %iowait %steal %idle 10:49:01 AM all 27.19 1.63 18.72 5.37 0.15 46.93 10:49:01 AM 0 19.55 2.42 22.72 3.97 0.15 51.18 10:49:01 AM 1 27.60 1.10 15.06 5.22 0.13 50.88 10:49:01 AM 2 34.29 1.77 20.47 6.97 0.14 36.37 10:49:01 AM 3 27.38 1.25 16.67 5.34 0.17 49.19 10:50:01 AM all 24.94 0.00 2.34 2.36 0.08 70.28 10:50:01 AM 0 28.17 0.00 2.59 1.92 0.07 67.25 10:50:01 AM 1 21.21 0.00 2.14 2.74 0.08 73.83 10:50:01 AM 2 25.91 0.00 3.03 3.28 0.08 67.69 10:50:01 AM 3 24.47 0.00 1.60 1.50 0.07 72.36 Average: all 26.06 0.81 10.48 3.86 0.11 58.68 Average: 0 23.89 1.20 12.59 2.94 0.11 59.27 Average: 1 24.39 0.55 8.57 3.98 0.11 62.40 Average: 2 30.06 0.88 11.67 5.11 0.11 52.17 Average: 3 25.92 0.62 9.09 3.41 0.12 60.84