---> uname -a: Linux prd-centos8-redis-4c-4g-955.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 757 12771 17 2233 14667 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 fq_codel state UP group default qlen 1000 link/ether fa:16:3e:2f:c1:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.117/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86198sec preferred_lft 86198sec inet6 fe80::f816:3eff:fe2f:c19a/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) 11/18/2023 _x86_64_ (4 CPU) 01:36:59 LINUX RESTART (4 CPU) 01:38:01 AM tps rtps wtps bread/s bwrtn/s 01:39:01 AM 125.61 13.15 112.46 1346.48 9754.53 01:40:01 AM 148.76 6.65 142.11 452.19 9682.59 Average: 137.18 9.90 127.28 899.38 9718.56 01:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:39:01 AM 13286540 15112176 2854992 17.69 2688 2026232 880652 5.12 225972 2248216 129488 01:40:01 AM 13072480 15008312 3069052 19.01 2688 2131108 879920 5.12 411740 2253776 37336 Average: 13179510 15060244 2962022 18.35 2688 2078670 880286 5.12 318856 2250996 83412 01:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:39:01 AM eth0 86.40 62.31 1001.79 7.04 0.00 0.00 0.00 0.00 01:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 AM eth0 275.34 206.88 1449.44 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 180.86 134.59 1225.60 46.63 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) 11/18/2023 _x86_64_ (4 CPU) 01:36:59 LINUX RESTART (4 CPU) 01:38:01 AM CPU %user %nice %system %iowait %steal %idle 01:39:01 AM all 13.53 0.09 2.30 3.69 0.05 80.34 01:39:01 AM 0 7.74 0.03 1.54 2.10 0.05 88.53 01:39:01 AM 1 19.08 0.07 2.54 5.01 0.07 73.23 01:39:01 AM 2 19.13 0.18 3.21 6.05 0.07 71.36 01:39:01 AM 3 8.17 0.07 1.94 1.59 0.03 88.21 01:40:01 AM all 24.54 0.00 2.24 2.00 0.09 71.13 01:40:01 AM 0 21.24 0.00 1.87 0.75 0.08 76.05 01:40:01 AM 1 16.01 0.00 2.89 2.69 0.08 78.32 01:40:01 AM 2 42.41 0.00 1.95 1.10 0.10 54.43 01:40:01 AM 3 18.46 0.00 2.23 3.47 0.08 75.76 Average: all 19.03 0.04 2.27 2.84 0.07 75.74 Average: 0 14.49 0.02 1.70 1.43 0.07 82.30 Average: 1 17.55 0.03 2.72 3.85 0.08 75.77 Average: 2 30.78 0.09 2.58 3.57 0.08 62.89 Average: 3 13.31 0.03 2.08 2.52 0.06 81.99