---> uname -a: Linux prd-centos8-redis-4c-4g-20860.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 8.7G 72G 11% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 723 12866 19 2173 14703 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:2d:a5:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.59/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86234sec preferred_lft 86234sec inet6 fe80::f816:3eff:fe2d:a54c/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) 04/06/2024 _x86_64_ (4 CPU) 01:35:16 LINUX RESTART (4 CPU) 01:36:01 AM tps rtps wtps bread/s bwrtn/s 01:37:01 AM 212.16 45.51 166.66 1964.21 10308.92 01:38:01 AM 96.53 5.82 90.72 418.73 7227.40 Average: 154.35 25.66 128.69 1191.47 8768.16 01:36:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:37:01 AM 13097068 14922128 3044464 18.86 2688 2025424 1222160 7.11 221928 2423860 141440 01:38:01 AM 13135248 15015808 3006284 18.62 2688 2079344 907568 5.28 413636 2188944 22416 Average: 13116158 14968968 3025374 18.74 2688 2052384 1064864 6.19 317782 2306402 81928 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 118.05 92.73 1631.14 32.70 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 252.01 167.49 652.82 63.81 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 185.03 130.11 1141.98 48.26 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) 04/06/2024 _x86_64_ (4 CPU) 01:35:16 LINUX RESTART (4 CPU) 01:36:01 AM CPU %user %nice %system %iowait %steal %idle 01:37:01 AM all 24.54 0.34 5.91 2.27 0.10 66.84 01:37:01 AM 0 17.48 0.38 5.43 1.80 0.10 74.80 01:37:01 AM 1 33.79 0.22 5.71 2.39 0.12 57.78 01:37:01 AM 2 19.12 0.42 5.97 1.84 0.08 72.57 01:37:01 AM 3 27.80 0.35 6.52 3.04 0.08 62.21 01:38:01 AM all 21.15 0.00 1.81 0.76 0.07 76.21 01:38:01 AM 0 17.32 0.00 1.72 0.55 0.07 80.34 01:38:01 AM 1 30.29 0.00 1.69 0.63 0.08 67.31 01:38:01 AM 2 29.95 0.00 2.10 0.32 0.07 67.56 01:38:01 AM 3 6.99 0.00 1.71 1.56 0.07 89.68 Average: all 22.85 0.17 3.86 1.52 0.08 71.53 Average: 0 17.40 0.19 3.58 1.18 0.08 77.57 Average: 1 32.04 0.11 3.69 1.51 0.10 62.55 Average: 2 24.54 0.21 4.04 1.08 0.08 70.06 Average: 3 17.40 0.18 4.12 2.30 0.08 75.93