---> uname -a: Linux prd-centos8-redis-4c-4g-17580.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 8.7G 72G 11% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 725 12842 19 2195 14700 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:08:6f:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.13/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86226sec preferred_lft 86226sec inet6 fe80::f816:3eff:fe08:6fdd/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) 03/23/2024 _x86_64_ (4 CPU) 17:58:47 LINUX RESTART (4 CPU) 05:59:01 PM tps rtps wtps bread/s bwrtn/s 06:00:01 PM 283.81 166.31 117.49 8001.48 43156.70 06:01:01 PM 155.17 7.17 148.01 648.16 9925.93 Average: 219.50 86.74 132.75 4325.13 26542.70 05:59:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:01 PM 13446436 15143360 2695096 16.70 2688 1903332 874928 5.09 207332 2119720 138692 06:01:01 PM 13222244 15117032 2919288 18.09 2688 2093904 793576 4.62 240472 2273232 74092 Average: 13334340 15130196 2807192 17.39 2688 1998618 834252 4.85 223902 2196476 106392 05:59:01 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 366.61 179.77 1679.29 52.04 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 321.98 225.85 1656.81 86.22 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 344.30 202.81 1668.05 69.13 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) 03/23/2024 _x86_64_ (4 CPU) 17:58:47 LINUX RESTART (4 CPU) 05:59:01 PM CPU %user %nice %system %iowait %steal %idle 06:00:01 PM all 26.75 1.48 16.00 6.88 0.12 48.77 06:00:01 PM 0 31.84 1.18 16.66 9.13 0.12 41.07 06:00:01 PM 1 31.29 2.12 18.95 6.19 0.10 41.35 06:00:01 PM 2 28.35 1.44 15.80 5.07 0.10 49.25 06:00:01 PM 3 15.51 1.20 12.58 7.12 0.15 63.45 06:01:01 PM all 21.99 0.00 1.95 4.45 0.08 71.52 06:01:01 PM 0 22.65 0.00 1.90 2.02 0.08 73.35 06:01:01 PM 1 29.36 0.00 2.35 3.99 0.10 64.20 06:01:01 PM 2 15.49 0.00 1.93 6.52 0.08 75.98 06:01:01 PM 3 20.48 0.00 1.64 5.30 0.07 72.51 Average: all 24.36 0.74 8.95 5.66 0.10 60.18 Average: 0 27.23 0.59 9.25 5.56 0.10 57.27 Average: 1 30.32 1.06 10.64 5.08 0.10 52.79 Average: 2 21.89 0.71 8.83 5.80 0.09 62.67 Average: 3 18.01 0.60 7.09 6.20 0.11 68.00