---> uname -a: Linux prd-centos8-docker-4c-4g-2337.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 1508 10290 20 3961 13909 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:d7:22:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.252/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85882sec preferred_lft 85882sec inet6 fe80::f816:3eff:fed7:225b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e9:10:e4:24 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) 10/17/2026 _x86_64_ (4 CPU) 00:32:43 LINUX RESTART (4 CPU) 12:34:01 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 54.36 0.33 54.02 32.53 5001.60 12:36:01 AM 126.26 14.58 111.68 3098.83 12710.51 12:37:01 AM 164.86 7.40 157.46 1040.76 45447.24 12:38:01 AM 66.22 0.00 66.22 0.00 8079.44 12:39:01 AM 4.38 0.00 4.38 0.00 284.44 12:40:01 AM 17.14 2.86 14.27 164.56 349.72 12:41:01 AM 20.16 2.77 17.39 87.44 2274.03 Average: 64.76 3.99 60.77 632.01 10591.30 12:34:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 13369416 15130804 2769900 17.16 2688 1977940 1106512 6.44 146420 2266236 137260 12:36:01 AM 11897796 14893672 4241520 26.28 2688 3202784 1305780 7.60 184268 3655916 957152 12:37:01 AM 10859072 14297424 5280244 32.72 2688 3638916 1728804 10.06 290612 4563056 37268 12:38:01 AM 8933220 12563648 7206096 44.65 2688 3828396 3831604 22.29 319168 6447700 2696 12:39:01 AM 8364804 11998684 7774512 48.17 2688 3831772 3831604 22.29 319212 7014348 864 12:40:01 AM 10062444 13737220 6076872 37.65 2688 3871072 2518700 14.65 336908 5298532 29368 12:41:01 AM 10553180 14250256 5586136 34.61 2688 3892832 1763880 10.26 583888 4562772 7520 Average: 10577133 13838815 5562183 34.46 2688 3463387 2298126 13.37 311497 4829794 167447 12:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 53.92 35.23 789.67 5.16 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 698.90 318.24 16045.60 31.09 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 363.97 250.62 6425.47 35.33 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM eth0 267.51 196.92 2942.60 41.60 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM eth0 306.95 207.86 111.67 110.95 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM lo 6.58 6.58 0.80 0.80 0.00 0.00 0.00 0.00 12:40:01 AM eth0 76.70 63.14 301.87 23.18 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 AM eth0 229.74 139.44 391.50 213.36 0.00 0.00 0.00 0.00 12:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 285.38 173.06 3858.20 65.81 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) 10/17/2026 _x86_64_ (4 CPU) 00:32:43 LINUX RESTART (4 CPU) 12:34:01 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 8.38 0.00 0.90 0.26 0.00 90.46 12:35:01 AM 0 9.06 0.00 0.78 0.35 0.00 89.80 12:35:01 AM 1 5.49 0.00 0.72 0.28 0.00 93.51 12:35:01 AM 2 18.03 0.00 1.92 0.35 0.00 79.70 12:35:01 AM 3 0.92 0.00 0.18 0.05 0.02 98.83 12:36:01 AM all 14.21 0.00 1.47 0.72 0.01 83.59 12:36:01 AM 0 9.61 0.00 1.04 0.42 0.02 88.91 12:36:01 AM 1 13.85 0.00 1.61 0.62 0.00 83.93 12:36:01 AM 2 15.92 0.00 1.64 0.90 0.02 81.52 12:36:01 AM 3 17.42 0.00 1.60 0.95 0.00 80.02 12:37:01 AM all 48.91 0.00 2.12 1.35 0.01 47.60 12:37:01 AM 0 51.77 0.00 2.12 0.47 0.00 45.64 12:37:01 AM 1 44.52 0.00 1.94 1.54 0.02 51.98 12:37:01 AM 2 49.35 0.00 2.29 2.27 0.02 46.07 12:37:01 AM 3 50.01 0.00 2.14 1.14 0.02 46.70 12:38:01 AM all 60.18 0.00 1.65 0.31 0.03 37.83 12:38:01 AM 0 65.46 0.00 1.00 0.10 0.03 33.40 12:38:01 AM 1 67.53 0.00 2.69 0.28 0.05 29.45 12:38:01 AM 2 70.41 0.00 0.80 0.12 0.02 28.66 12:38:01 AM 3 37.28 0.00 2.11 0.74 0.02 59.86 12:39:01 AM all 16.31 0.00 1.76 0.01 0.00 81.92 12:39:01 AM 0 13.87 0.00 1.77 0.03 0.00 84.33 12:39:01 AM 1 19.49 0.00 1.27 0.02 0.00 79.23 12:39:01 AM 2 15.72 0.00 2.02 0.00 0.00 82.26 12:39:01 AM 3 16.15 0.00 1.99 0.00 0.00 81.87 12:40:01 AM all 43.58 0.00 1.34 0.11 0.02 54.95 12:40:01 AM 0 37.18 0.00 0.98 0.02 0.02 61.80 12:40:01 AM 1 29.06 0.00 1.69 0.27 0.02 68.97 12:40:01 AM 2 68.86 0.00 1.75 0.15 0.02 29.22 12:40:01 AM 3 39.19 0.00 0.95 0.02 0.02 59.83 12:41:01 AM all 41.76 0.00 1.74 0.12 0.01 56.36 12:41:01 AM 0 33.31 0.00 1.52 0.08 0.00 65.09 12:41:01 AM 1 43.17 0.00 1.85 0.27 0.02 54.69 12:41:01 AM 2 42.08 0.00 1.19 0.13 0.00 56.60 12:41:01 AM 3 48.50 0.00 2.41 0.00 0.03 49.06 Average: all 33.33 0.00 1.57 0.41 0.01 64.67 Average: 0 31.48 0.00 1.32 0.21 0.01 66.99 Average: 1 31.86 0.00 1.68 0.47 0.01 65.97 Average: 2 40.05 0.00 1.66 0.56 0.01 57.72 Average: 3 29.92 0.00 1.63 0.41 0.01 68.03