---> uname -a: Linux prd-centos8-redis-4c-4g-11982.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 704 12845 19 2213 14719 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:c8:07:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86216sec preferred_lft 86216sec inet6 fe80::f816:3eff:fec8:7d4/64 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) 01/13/2024 _x86_64_ (4 CPU) 17:59:03 LINUX RESTART (4 CPU) 06:00:00 PM tps rtps wtps bread/s bwrtn/s 06:00:01 PM 716.67 169.23 547.44 1969.23 48270.51 06:01:01 PM 191.50 20.81 170.69 1791.94 10481.64 06:02:01 PM 81.42 4.16 77.25 327.46 7207.63 Average: 140.19 13.50 126.69 1065.39 9098.69 06:00:00 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:01 PM 13593576 15133408 2547956 15.79 2688 1755680 933344 5.43 183092 2028608 111908 06:01:01 PM 12934300 14809076 3207232 19.87 2688 2073864 1251572 7.28 228040 2575436 153008 06:02:01 PM 13175056 15094240 2966476 18.38 2688 2115320 861308 5.01 415016 2141168 48852 Average: 13234311 15012241 2907221 18.01 2688 1981621 1015408 5.91 275383 2248404 104589 06:00:00 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 834.62 388.46 18765.56 51.97 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 143.89 114.61 1664.44 35.42 0.00 0.00 0.00 0.00 06:02:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 PM eth0 211.66 124.35 445.22 57.77 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 182.02 121.22 1168.99 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) 01/13/2024 _x86_64_ (4 CPU) 17:59:03 LINUX RESTART (4 CPU) 06:00:00 PM CPU %user %nice %system %iowait %steal %idle 06:00:01 PM all 8.36 2.89 24.44 10.93 0.00 53.38 06:00:01 PM 0 7.79 3.90 28.57 19.48 0.00 40.26 06:00:01 PM 1 7.59 3.80 27.85 10.13 0.00 50.63 06:00:01 PM 2 9.09 1.30 15.58 3.90 0.00 70.13 06:00:01 PM 3 8.97 2.56 25.64 10.26 0.00 52.56 06:01:01 PM all 24.99 0.15 3.96 3.29 0.10 67.52 06:01:01 PM 0 32.11 0.20 4.50 2.69 0.10 60.40 06:01:01 PM 1 32.19 0.12 4.34 1.99 0.10 61.26 06:01:01 PM 2 16.61 0.15 3.43 5.30 0.10 74.41 06:01:01 PM 3 19.01 0.13 3.55 3.20 0.08 74.03 06:02:01 PM all 18.17 0.00 1.97 1.59 0.07 78.21 06:02:01 PM 0 12.46 0.00 1.99 3.05 0.07 82.43 06:02:01 PM 1 25.76 0.00 1.99 1.80 0.08 70.37 06:02:01 PM 2 21.56 0.00 2.29 1.29 0.07 74.80 06:02:01 PM 3 12.22 0.00 1.59 0.25 0.07 85.88 Average: all 21.54 0.09 3.12 2.51 0.08 72.66 Average: 0 22.54 0.13 3.46 2.97 0.09 70.81 Average: 1 28.83 0.08 3.33 1.95 0.09 65.72 Average: 2 19.02 0.08 2.94 3.30 0.08 74.58 Average: 3 15.65 0.08 2.74 1.81 0.08 79.64