---> uname -a: Linux prd-centos8-docker-4c-4g-1272.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 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 1026 10816 20 3917 14384 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:2a:ba:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.80/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe2a:ba32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:62:f2:b7 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::42:1cff:fe62:f2b7/64 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) 10/13/2026 _x86_64_ (4 CPU) 10:47:49 LINUX RESTART (4 CPU) 10:48:01 AM tps rtps wtps bread/s bwrtn/s 10:49:01 AM 278.06 93.57 184.49 11308.10 43291.42 10:50:00 AM 302.67 6.87 295.80 1202.38 34016.70 10:50:01 AM 0.00 0.00 0.00 0.00 0.00 10:51:01 AM 970.83 14.25 956.58 230.32 35836.82 10:52:01 AM 182.91 105.60 77.31 1972.14 4326.14 Average: 432.06 55.04 377.03 3672.08 29193.49 10:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:49:01 AM 13268140 15058556 2871176 17.79 2688 2006124 1134232 6.60 140544 2371596 173552 10:50:00 AM 9970456 12542208 6168860 38.22 2688 2764164 4224888 24.58 265296 5434036 128 10:50:01 AM 9927864 12499876 6211452 38.49 2688 2764364 4242060 24.68 271792 5469388 332 10:51:01 AM 10518232 14056620 5621084 34.83 2688 3532264 1875972 10.91 401372 4328416 79284 10:52:01 AM 11101008 14744788 5038308 31.22 2688 3631372 1201432 6.99 608976 3534496 36400 Average: 10957140 13780410 5182176 32.11 2688 2939658 2535717 14.75 337596 4227586 57939 10:48:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 AM eth0 365.81 215.23 1866.30 71.73 0.00 0.00 0.00 0.00 10:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:00 AM lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 10:50:00 AM eth0 446.23 325.24 6131.46 46.05 0.00 0.00 0.00 0.00 10:50:00 AM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 10:50:00 AM veth6d8bf97 0.09 0.32 0.00 0.03 0.00 0.00 0.00 0.00 10:50:00 AM veth5397f33 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 10:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 AM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 AM veth6d8bf97 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 AM veth5397f33 0.00 1.63 0.00 0.13 0.00 0.00 0.00 0.00 10:51:01 AM lo 6.06 6.06 4.53 4.53 0.00 0.00 0.00 0.00 10:51:01 AM eth0 192.94 154.05 1868.70 31.63 0.00 0.00 0.00 0.00 10:51:01 AM docker0 3.23 2.88 4.08 0.43 0.00 0.00 0.00 0.00 10:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:01 AM eth0 13.41 11.90 44.44 4.62 0.00 0.00 0.00 0.00 10:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.58 1.58 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 252.31 174.94 2446.31 38.27 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.77 1.02 0.11 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) 10/13/2026 _x86_64_ (4 CPU) 10:47:49 LINUX RESTART (4 CPU) 10:48:01 AM CPU %user %nice %system %iowait %steal %idle 10:49:01 AM all 26.94 0.00 4.31 2.68 0.05 66.02 10:49:01 AM 0 14.80 0.00 3.97 2.92 0.07 78.24 10:49:01 AM 1 42.75 0.00 4.65 1.91 0.05 50.64 10:49:01 AM 2 19.14 0.00 4.11 2.51 0.02 74.22 10:49:01 AM 3 31.04 0.00 4.51 3.39 0.05 61.02 10:50:00 AM all 40.69 0.00 3.87 1.97 0.04 53.43 10:50:00 AM 0 44.04 0.00 4.66 2.09 0.03 49.17 10:50:00 AM 1 42.96 0.00 3.81 1.93 0.03 51.26 10:50:00 AM 2 39.51 0.00 2.95 1.46 0.05 56.03 10:50:00 AM 3 36.25 0.00 4.04 2.40 0.03 57.27 10:50:01 AM all 56.53 0.00 3.88 0.00 0.00 39.59 10:50:01 AM 0 41.80 0.00 3.28 0.00 0.00 54.92 10:50:01 AM 1 52.85 0.00 3.25 0.00 0.00 43.90 10:50:01 AM 2 46.34 0.00 3.25 0.00 0.00 50.41 10:50:01 AM 3 85.25 0.00 5.74 0.00 0.00 9.02 10:51:01 AM all 35.24 0.09 9.89 6.07 0.08 48.64 10:51:01 AM 0 28.23 0.05 8.66 6.32 0.12 56.62 10:51:01 AM 1 28.05 0.19 10.44 7.50 0.07 53.76 10:51:01 AM 2 46.26 0.10 11.27 7.40 0.07 34.90 10:51:01 AM 3 38.40 0.02 9.18 3.03 0.05 49.33 10:52:01 AM all 43.13 0.00 2.09 1.27 0.03 53.48 10:52:01 AM 0 43.89 0.00 2.01 0.60 0.03 53.47 10:52:01 AM 1 41.66 0.00 2.01 1.34 0.03 54.96 10:52:01 AM 2 29.66 0.00 1.54 0.54 0.03 68.23 10:52:01 AM 3 57.31 0.00 2.79 2.61 0.03 37.26 Average: all 36.59 0.02 5.02 2.98 0.05 55.34 Average: 0 32.74 0.01 4.81 2.96 0.06 59.41 Average: 1 38.95 0.05 5.20 3.14 0.05 52.61 Average: 2 33.65 0.03 4.96 2.96 0.04 58.37 Average: 3 41.02 0.00 5.12 2.84 0.04 50.97