---> uname -a: Linux prd-centos8-docker-4c-4g-5885.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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1029 10806 20 3924 14381 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:e1:8c:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fee1:8c07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:23:47:12:31 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 inet6 fe80::42:23ff:fe47:1231/64 scope link 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) 09/28/2026 _x86_64_ (4 CPU) 12:24:58 LINUX RESTART (4 CPU) 12:26:01 PM tps rtps wtps bread/s bwrtn/s 12:27:01 PM 240.90 4.83 236.07 444.79 14786.85 12:28:01 PM 223.86 3.17 220.69 813.60 34982.82 12:29:01 PM 1035.19 95.10 940.09 1697.70 26377.91 Average: 499.98 34.37 465.62 985.36 25382.53 12:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:27:01 PM 12513616 14693804 3625700 22.47 2688 2384276 1528716 8.89 162724 3049140 240420 12:28:01 PM 11099716 14182196 5039600 31.23 2688 3225824 1794708 10.44 354456 4118112 111448 12:29:01 PM 9222004 12816484 6917312 42.86 2688 3585020 1920972 11.18 404668 5599732 12 Average: 10945112 13897495 5194204 32.18 2688 3065040 1748132 10.17 307283 4255661 117293 12:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 312.53 253.55 3718.07 38.23 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM lo 6.50 6.50 4.58 4.58 0.00 0.00 0.00 0.00 12:28:01 PM eth0 250.17 188.14 3648.92 31.42 0.00 0.00 0.00 0.00 12:28:01 PM docker0 3.28 3.17 4.08 0.45 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 66.01 41.20 712.62 7.11 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.17 2.17 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 209.57 160.96 2693.20 25.59 0.00 0.00 0.00 0.00 Average: docker0 1.09 1.06 1.36 0.15 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) 09/28/2026 _x86_64_ (4 CPU) 12:24:58 LINUX RESTART (4 CPU) 12:26:01 PM CPU %user %nice %system %iowait %steal %idle 12:27:01 PM all 23.19 0.00 2.51 1.20 0.04 73.06 12:27:01 PM 0 22.42 0.00 2.49 1.29 0.03 73.77 12:27:01 PM 1 30.74 0.00 3.74 1.50 0.05 63.97 12:27:01 PM 2 17.60 0.00 1.59 0.92 0.03 79.86 12:27:01 PM 3 22.01 0.00 2.21 1.07 0.03 74.68 12:28:01 PM all 48.45 0.10 5.72 1.23 0.04 44.46 12:28:01 PM 0 47.02 0.07 5.16 1.01 0.05 46.68 12:28:01 PM 1 50.38 0.12 5.78 1.03 0.03 42.66 12:28:01 PM 2 47.32 0.10 6.90 2.40 0.03 43.25 12:28:01 PM 3 49.09 0.10 5.03 0.51 0.03 45.24 12:29:01 PM all 33.13 0.00 7.09 6.03 0.05 53.71 12:29:01 PM 0 21.38 0.00 5.85 5.02 0.05 67.70 12:29:01 PM 1 31.38 0.00 8.15 6.55 0.03 53.88 12:29:01 PM 2 58.44 0.00 9.12 8.55 0.08 23.81 12:29:01 PM 3 21.41 0.00 5.26 4.01 0.02 69.31 Average: all 34.89 0.03 5.10 2.81 0.04 57.12 Average: 0 30.25 0.02 4.50 2.44 0.04 62.75 Average: 1 37.49 0.04 5.89 3.02 0.04 53.53 Average: 2 41.04 0.03 5.86 3.94 0.05 49.08 Average: 3 30.81 0.03 4.16 1.86 0.03 63.11