---> uname -a: Linux prd-centos8-docker-4c-4g-3254.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: 2800.012 BogoMIPS: 5600.02 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 766 12096 20 2898 14656 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:27:ee:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.111/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe27:eecf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c9:38:55:38 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) 10/19/2026 _x86_64_ (4 CPU) 11:03:24 LINUX RESTART (4 CPU) 11:04:01 AM tps rtps wtps bread/s bwrtn/s 11:05:01 AM 214.46 31.82 182.64 4751.75 38440.84 11:06:01 AM 106.92 0.58 106.33 143.84 9935.31 11:07:01 AM 218.13 18.29 199.83 3898.97 10011.00 11:08:01 AM 64.11 2.82 61.30 251.25 8785.19 11:09:01 AM 31.01 1.18 29.83 106.92 9415.30 Average: 126.93 10.94 115.99 1830.66 15317.90 11:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:05:01 AM 13542752 15102996 2596564 16.09 2688 1788436 1165384 6.78 136836 2146704 40748 11:06:01 AM 13194216 15118712 2945100 18.25 2688 2133912 1059760 6.17 139256 2422488 172692 11:07:01 AM 11839976 14200128 4299340 26.64 2688 2561948 1871172 10.89 226836 3651008 245532 11:08:01 AM 12405760 15017468 3733556 23.13 2688 2811780 1149968 6.69 350884 2957548 246736 11:09:01 AM 12407436 15034996 3731880 23.12 2688 2826772 1154736 6.72 542308 2763340 12544 Average: 12678028 14894860 3461288 21.45 2688 2424570 1280204 7.45 279224 2788218 143650 11:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 AM eth0 267.51 163.18 921.88 63.16 0.00 0.00 0.00 0.00 11:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 AM eth0 71.67 46.16 1143.05 7.52 0.00 0.00 0.00 0.00 11:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:07:01 AM eth0 413.26 319.29 4555.61 67.20 0.00 0.00 0.00 0.00 11:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 AM lo 31.94 31.94 8.28 8.28 0.00 0.00 0.00 0.00 11:08:01 AM eth0 87.47 71.69 281.27 46.06 0.00 0.00 0.00 0.00 11:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 AM eth0 28.38 29.73 15.10 912.98 0.00 0.00 0.00 0.00 11:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.39 6.39 1.66 1.66 0.00 0.00 0.00 0.00 Average: eth0 173.67 126.02 1383.44 219.37 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) 10/19/2026 _x86_64_ (4 CPU) 11:03:24 LINUX RESTART (4 CPU) 11:04:01 AM CPU %user %nice %system %iowait %steal %idle 11:05:01 AM all 11.84 0.00 2.18 1.65 0.00 84.32 11:05:01 AM 0 19.57 0.00 2.78 2.38 0.00 75.26 11:05:01 AM 1 6.36 0.00 1.64 0.17 0.02 91.82 11:05:01 AM 2 11.52 0.00 2.01 3.59 0.00 82.88 11:05:01 AM 3 9.92 0.00 2.31 0.47 0.00 87.30 11:06:01 AM all 12.89 0.00 1.26 0.51 0.01 85.32 11:06:01 AM 0 21.97 0.00 1.90 0.50 0.02 75.62 11:06:01 AM 1 10.69 0.00 1.17 0.42 0.00 87.72 11:06:01 AM 2 13.62 0.00 1.65 0.85 0.03 83.84 11:06:01 AM 3 5.25 0.00 0.32 0.28 0.00 94.15 11:07:01 AM all 34.17 0.00 2.75 1.18 0.01 61.89 11:07:01 AM 0 38.38 0.00 3.66 2.09 0.02 55.86 11:07:01 AM 1 32.00 0.00 2.56 0.84 0.02 64.59 11:07:01 AM 2 34.28 0.00 2.37 1.27 0.00 62.08 11:07:01 AM 3 32.01 0.00 2.41 0.52 0.02 65.04 11:08:01 AM all 38.78 0.00 1.97 0.32 0.02 58.92 11:08:01 AM 0 37.65 0.00 1.29 0.08 0.02 60.96 11:08:01 AM 1 28.52 0.00 2.21 0.70 0.02 68.55 11:08:01 AM 2 42.88 0.00 2.11 0.40 0.03 54.58 11:08:01 AM 3 46.05 0.00 2.29 0.08 0.00 51.58 11:09:01 AM all 13.61 0.00 1.39 0.23 0.02 84.76 11:09:01 AM 0 1.47 0.00 0.67 0.35 0.02 97.49 11:09:01 AM 1 1.49 0.00 0.52 0.07 0.02 97.91 11:09:01 AM 2 29.94 0.00 2.54 0.42 0.03 67.07 11:09:01 AM 3 21.48 0.00 1.83 0.07 0.02 76.60 Average: all 22.25 0.00 1.91 0.78 0.01 75.05 Average: 0 23.81 0.00 2.06 1.08 0.01 73.04 Average: 1 15.81 0.00 1.62 0.44 0.01 82.12 Average: 2 26.45 0.00 2.14 1.31 0.02 70.09 Average: 3 22.94 0.00 1.83 0.28 0.01 74.93