---> uname -a: Linux prd-centos8-docker-4c-4g-5240.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 828 12034 19 2898 14595 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:ec:ae:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.205/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:feec:ae4d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4d:59:1a:af brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/09/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 258.26 16.58 241.69 3824.73 15974.36 01:26:01 PM 58.76 4.65 54.11 373.80 8770.15 01:27:01 PM 41.24 1.65 39.59 123.05 9283.17 Average: 119.43 7.63 111.80 1440.66 11342.82 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12018032 14368800 4121288 25.54 2688 2552072 1866412 10.86 215320 3486796 239260 01:26:01 PM 10913552 13285540 5225768 32.38 2688 2572632 2772288 16.13 254036 4543396 900 01:27:01 PM 12328340 14952756 3810980 23.61 2688 2822792 1210448 7.04 538440 2847576 8348 Average: 11753308 14202365 4386012 27.18 2688 2649165 1949716 11.34 335932 3625923 82836 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 403.35 302.43 4876.95 76.40 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 24.05 24.05 4.99 4.99 0.00 0.00 0.00 0.00 01:26:01 PM eth0 35.51 27.95 98.89 22.02 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 4.75 4.75 1.08 1.08 0.00 0.00 0.00 0.00 01:27:01 PM eth0 71.85 74.87 275.39 925.51 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.60 9.60 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 170.25 135.09 1750.58 341.30 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/09/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 33.94 0.00 2.70 1.39 0.09 61.89 01:25:01 PM 0 30.66 0.00 1.97 1.15 0.10 66.12 01:25:01 PM 1 39.49 0.00 3.20 1.62 0.08 55.61 01:25:01 PM 2 32.50 0.00 2.81 1.05 0.08 63.55 01:25:01 PM 3 33.10 0.00 2.81 1.74 0.08 62.26 01:26:01 PM all 37.34 0.00 0.99 0.26 0.09 61.33 01:26:01 PM 0 46.82 0.00 0.43 0.00 0.08 52.66 01:26:01 PM 1 36.45 0.00 1.17 0.23 0.08 62.06 01:26:01 PM 2 21.32 0.00 1.57 0.60 0.10 76.41 01:26:01 PM 3 44.72 0.00 0.77 0.22 0.08 54.21 01:27:01 PM all 21.64 0.00 1.89 0.30 0.07 76.09 01:27:01 PM 0 31.68 0.00 1.77 0.07 0.07 66.42 01:27:01 PM 1 16.54 0.00 1.77 0.70 0.08 80.91 01:27:01 PM 2 17.74 0.00 2.30 0.35 0.07 79.54 01:27:01 PM 3 20.59 0.00 1.74 0.08 0.07 77.52 Average: all 30.97 0.00 1.86 0.65 0.08 66.44 Average: 0 36.39 0.00 1.39 0.41 0.08 61.73 Average: 1 30.81 0.00 2.04 0.85 0.08 66.21 Average: 2 23.85 0.00 2.23 0.67 0.08 73.17 Average: 3 32.80 0.00 1.77 0.68 0.08 64.67