---> uname -a: Linux prd-centos8-redis-4c-4g-4312.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 713 12850 19 2199 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 mq state UP group default qlen 1000 link/ether fa:16:3e:3b:d0:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.83/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86205sec preferred_lft 86205sec inet6 fe80::f816:3eff:fe3b:d0d9/64 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) 02/10/2024 _x86_64_ (4 CPU) 10:47:41 LINUX RESTART (4 CPU) 10:48:01 AM tps rtps wtps bread/s bwrtn/s 10:49:01 AM 263.47 162.21 101.27 7816.14 17775.68 10:50:01 AM 147.16 7.13 140.03 647.76 7902.57 Average: 205.33 84.69 120.64 4232.84 12840.36 10:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:49:01 AM 13507672 15185980 2633860 16.32 2688 1885508 809184 4.71 205804 2060272 133312 10:50:01 AM 13249156 15136424 2892376 17.92 2688 2086452 786696 4.58 239632 2255228 166504 Average: 13378414 15161202 2763118 17.12 2688 1985980 797940 4.64 222718 2157750 149908 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 335.64 219.37 1498.51 56.43 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 370.19 247.03 1736.71 87.16 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 352.91 233.19 1617.58 71.79 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) 02/10/2024 _x86_64_ (4 CPU) 10:47:41 LINUX RESTART (4 CPU) 10:48:01 AM CPU %user %nice %system %iowait %steal %idle 10:49:01 AM all 27.27 1.56 19.53 2.96 0.11 48.56 10:49:01 AM 0 28.94 1.31 15.85 3.40 0.12 50.38 10:49:01 AM 1 23.94 1.55 20.76 2.88 0.10 50.77 10:49:01 AM 2 24.62 2.01 20.62 3.22 0.13 49.39 10:49:01 AM 3 31.56 1.39 20.91 2.33 0.10 43.69 10:50:01 AM all 27.77 0.00 2.40 1.24 0.09 68.51 10:50:01 AM 0 25.90 0.00 1.69 1.02 0.08 71.31 10:50:01 AM 1 30.76 0.00 2.38 1.92 0.10 64.84 10:50:01 AM 2 28.49 0.00 2.80 0.62 0.08 68.01 10:50:01 AM 3 25.93 0.00 2.73 1.39 0.08 69.87 Average: all 27.52 0.78 10.94 2.10 0.10 58.56 Average: 0 27.42 0.65 8.76 2.21 0.10 60.86 Average: 1 27.36 0.77 11.54 2.40 0.10 57.83 Average: 2 26.56 1.00 11.68 1.92 0.11 58.73 Average: 3 28.74 0.70 11.81 1.86 0.09 56.80