---> uname -a: Linux prd-centos8-redis-4c-4g-2382.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 12835 19 2213 14709 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:57:dd:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.16/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86219sec preferred_lft 86219sec inet6 fe80::f816:3eff:fe57:dd69/64 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) 02/03/2024 _x86_64_ (4 CPU) 17:58:48 LINUX RESTART (4 CPU) 05:59:01 PM tps rtps wtps bread/s bwrtn/s 06:00:01 PM 286.02 171.81 114.21 8487.19 43031.06 06:01:01 PM 157.12 7.14 149.98 647.14 9213.55 Average: 221.54 89.43 132.11 4565.20 26113.86 05:59:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:01 PM 13490556 15183580 2650976 16.42 2688 1899964 846876 4.93 206676 2077936 133408 06:01:01 PM 13226588 15128548 2914944 18.06 2688 2101076 776668 4.52 240684 2267064 108792 Average: 13358572 15156064 2782960 17.24 2688 2000520 811772 4.72 223680 2172500 121100 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 342.52 189.29 1666.99 52.03 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 323.17 218.44 1730.86 85.63 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 332.84 203.87 1698.94 68.84 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) 02/03/2024 _x86_64_ (4 CPU) 17:58:48 LINUX RESTART (4 CPU) 05:59:01 PM CPU %user %nice %system %iowait %steal %idle 06:00:01 PM all 25.66 1.58 16.74 6.16 0.11 49.75 06:00:01 PM 0 34.72 1.21 13.02 7.98 0.10 42.97 06:00:01 PM 1 21.42 2.39 19.97 4.95 0.13 51.14 06:00:01 PM 2 25.04 1.58 20.63 5.32 0.12 47.31 06:00:01 PM 3 21.45 1.13 13.33 6.38 0.10 57.60 06:01:01 PM all 25.28 0.00 2.28 3.50 0.11 68.83 06:01:01 PM 0 32.64 0.00 2.09 3.23 0.10 61.94 06:01:01 PM 1 21.84 0.00 1.66 3.58 0.10 72.82 06:01:01 PM 2 20.61 0.00 2.48 2.47 0.10 74.34 06:01:01 PM 3 26.03 0.00 2.90 4.71 0.13 66.22 Average: all 25.47 0.79 9.49 4.82 0.11 59.32 Average: 0 33.68 0.60 7.54 5.60 0.10 52.49 Average: 1 21.63 1.19 10.78 4.26 0.12 62.02 Average: 2 22.82 0.79 11.54 3.89 0.11 60.85 Average: 3 23.75 0.56 8.10 5.54 0.12 61.92