---> uname -a: Linux prd-centos8-docker-4c-4g-2758.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 1052 10724 20 3983 14358 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:18:3d:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.50/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85933sec preferred_lft 85933sec inet6 fe80::f816:3eff:fe18:3db6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:d4:01:19 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::42:45ff:fed4:119/64 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) 11/12/2026 _x86_64_ (4 CPU) 08:20:39 LINUX RESTART (4 CPU) 08:22:01 AM tps rtps wtps bread/s bwrtn/s 08:23:01 AM 102.50 0.53 101.97 149.98 9595.75 08:24:01 AM 228.46 22.10 206.37 3965.34 15088.79 08:25:01 AM 17.96 0.48 17.48 397.60 1084.44 08:26:01 AM 70.15 1.22 68.93 71.96 12189.24 08:27:01 AM 1223.46 72.29 1151.17 1398.33 36384.71 08:28:01 AM 98.15 47.28 50.87 808.66 2256.51 Average: 290.11 23.98 266.13 1131.90 12766.58 08:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:23:01 AM 13181644 15118276 2957672 18.33 2688 2145112 1082524 6.30 141640 2429636 176688 08:24:01 AM 11840920 14128840 4298396 26.63 2688 2489984 1905560 11.09 208152 3663460 8840 08:25:01 AM 11761624 14075844 4377692 27.12 2688 2515332 2288796 13.32 209720 3735520 12 08:26:01 AM 11681668 14348512 4457648 27.62 2688 2857992 1965428 11.43 334044 3655588 6596 08:27:01 AM 10002876 13643032 6136440 38.02 2688 3629308 1987464 11.56 413264 4799152 10436 08:28:01 AM 11027728 14733980 5111588 31.67 2688 3691956 1224372 7.12 626968 3564220 34556 Average: 11582743 14341414 4556573 28.23 2688 2888281 1742357 10.14 322298 3641263 39521 08:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 AM eth0 74.64 46.79 1151.87 7.95 0.00 0.00 0.00 0.00 08:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 AM eth0 280.34 245.51 3154.74 38.81 0.00 0.00 0.00 0.00 08:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:25:01 AM eth0 12.28 9.30 100.39 2.63 0.00 0.00 0.00 0.00 08:25:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:25:01 AM veth9e94391 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 08:26:01 AM lo 7.40 7.40 5.35 5.35 0.00 0.00 0.00 0.00 08:26:01 AM eth0 144.53 69.48 2186.46 8.91 0.00 0.00 0.00 0.00 08:26:01 AM docker0 3.30 3.02 4.09 0.44 0.00 0.00 0.00 0.00 08:26:01 AM veth9e94391 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 08:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 AM eth0 180.79 137.60 1868.83 21.22 0.00 0.00 0.00 0.00 08:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 AM lo 4.73 4.73 0.67 0.67 0.00 0.00 0.00 0.00 08:28:01 AM eth0 14.16 12.81 47.43 4.79 0.00 0.00 0.00 0.00 08:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.06 2.06 1.01 1.01 0.00 0.00 0.00 0.00 Average: eth0 117.79 86.91 1418.27 14.05 0.00 0.00 0.00 0.00 Average: docker0 0.58 0.55 0.68 0.08 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) 11/12/2026 _x86_64_ (4 CPU) 08:20:39 LINUX RESTART (4 CPU) 08:22:01 AM CPU %user %nice %system %iowait %steal %idle 08:23:01 AM all 12.70 0.00 1.27 0.51 0.01 85.51 08:23:01 AM 0 15.06 0.00 1.75 0.35 0.02 82.83 08:23:01 AM 1 16.39 0.00 1.62 0.48 0.02 81.49 08:23:01 AM 2 8.95 0.00 0.65 0.70 0.00 89.69 08:23:01 AM 3 10.39 0.00 1.05 0.50 0.02 88.03 08:24:01 AM all 29.23 0.00 2.04 1.51 0.00 67.22 08:24:01 AM 0 30.99 0.00 2.17 1.89 0.00 64.95 08:24:01 AM 1 29.50 0.00 2.08 1.67 0.00 66.75 08:24:01 AM 2 34.73 0.00 1.30 0.43 0.02 63.52 08:24:01 AM 3 21.66 0.00 2.63 2.03 0.00 73.68 08:25:01 AM all 1.11 0.00 0.32 0.06 0.01 98.49 08:25:01 AM 0 0.84 0.00 0.30 0.08 0.02 98.76 08:25:01 AM 1 0.82 0.00 0.30 0.07 0.02 98.80 08:25:01 AM 2 1.44 0.00 0.33 0.07 0.00 98.16 08:25:01 AM 3 1.35 0.00 0.35 0.03 0.02 98.25 08:26:01 AM all 21.71 0.09 2.08 0.46 0.01 75.65 08:26:01 AM 0 24.40 0.03 2.48 0.30 0.02 72.76 08:26:01 AM 1 20.47 0.08 1.90 0.50 0.00 77.04 08:26:01 AM 2 21.77 0.08 1.84 0.57 0.02 75.72 08:26:01 AM 3 20.21 0.15 2.11 0.45 0.02 77.06 08:27:01 AM all 22.36 0.00 9.08 7.50 0.02 61.04 08:27:01 AM 0 28.01 0.00 9.47 7.91 0.02 54.61 08:27:01 AM 1 15.29 0.00 7.46 5.77 0.02 71.46 08:27:01 AM 2 14.44 0.00 9.88 7.63 0.02 68.03 08:27:01 AM 3 31.73 0.00 9.52 8.69 0.02 50.04 08:28:01 AM all 46.59 0.00 2.14 0.86 0.01 50.39 08:28:01 AM 0 37.31 0.00 1.92 0.79 0.02 59.97 08:28:01 AM 1 48.78 0.00 2.44 1.17 0.02 47.59 08:28:01 AM 2 35.49 0.00 1.98 1.10 0.00 61.43 08:28:01 AM 3 64.78 0.00 2.22 0.38 0.02 32.59 Average: all 22.28 0.01 2.81 1.80 0.01 73.09 Average: 0 22.75 0.01 3.00 1.87 0.01 72.36 Average: 1 21.89 0.01 2.62 1.60 0.01 73.86 Average: 2 19.48 0.01 2.64 1.74 0.01 76.12 Average: 3 24.99 0.03 2.96 2.00 0.01 70.01