---> uname -a: Linux prd-centos8-docker-4c-4g-3396.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 1019 10826 20 3915 14391 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:e5:6e:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.230/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85887sec preferred_lft 85887sec inet6 fe80::f816:3eff:fee5:6e31/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:fb:0d:71 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::42:5dff:fefb:d71/64 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) 10/19/2026 _x86_64_ (4 CPU) 14:18:10 LINUX RESTART (4 CPU) 02:19:01 PM tps rtps wtps bread/s bwrtn/s 02:20:01 PM 121.38 6.03 115.34 920.49 5072.19 02:21:01 PM 87.81 1.28 86.52 244.01 8199.87 02:22:01 PM 197.72 4.52 193.20 485.30 14299.87 02:23:01 PM 17.38 0.40 16.98 389.80 1082.54 02:24:01 PM 77.81 1.43 76.37 59.54 12255.04 02:25:01 PM 1144.30 11.40 1132.91 152.08 36750.10 02:26:01 PM 165.43 103.63 61.80 1885.64 4100.62 02:27:01 PM 47.22 5.23 41.99 226.06 2708.45 Average: 232.37 16.74 215.63 545.32 10558.87 02:19:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 PM 13370604 15085548 2768712 17.16 2688 1938360 1176688 6.85 157964 2280052 116884 02:21:01 PM 13177864 15149208 2961452 18.35 2688 2180456 1086124 6.32 144780 2428676 173780 02:22:01 PM 11574916 13774428 4564400 28.28 2688 2402524 2445460 14.23 207180 3934580 9788 02:23:01 PM 11507088 13732628 4632228 28.70 2688 2427636 2788768 16.23 208652 3995132 20 02:24:01 PM 11804980 14396392 4334336 26.86 2688 2783180 1999832 11.64 315044 3554988 19488 02:25:01 PM 10206648 13735708 5932668 36.76 2688 3522880 1981664 11.53 397260 4617332 62204 02:26:01 PM 10141072 13755124 5998244 37.17 2688 3603692 2024728 11.78 422768 4652808 16984 02:27:01 PM 11086044 14737080 5053272 31.31 2688 3635044 1231364 7.16 625348 3512468 6868 Average: 11608652 14295764 4530664 28.07 2688 2811722 1841828 10.72 309874 3622004 50752 02:19:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:01 PM eth0 82.46 54.72 979.33 16.87 0.00 0.00 0.00 0.00 02:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:21:01 PM eth0 58.90 42.63 706.78 6.47 0.00 0.00 0.00 0.00 02:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:22:01 PM eth0 254.75 219.89 3190.04 34.86 0.00 0.00 0.00 0.00 02:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:23:01 PM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 02:23:01 PM eth0 19.50 12.11 99.55 1.92 0.00 0.00 0.00 0.00 02:23:01 PM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 02:23:01 PM veth3d79415 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 02:24:01 PM lo 6.16 6.16 4.57 4.57 0.00 0.00 0.00 0.00 02:24:01 PM eth0 112.52 70.40 2399.69 11.91 0.00 0.00 0.00 0.00 02:24:01 PM docker0 3.31 2.96 4.08 0.43 0.00 0.00 0.00 0.00 02:24:01 PM veth3d79415 0.20 0.25 0.01 0.01 0.00 0.00 0.00 0.00 02:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:25:01 PM eth0 170.56 118.84 1573.40 18.15 0.00 0.00 0.00 0.00 02:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:26:01 PM eth0 6.15 3.58 59.09 1.63 0.00 0.00 0.00 0.00 02:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:27:01 PM eth0 23.84 19.66 54.64 9.67 0.00 0.00 0.00 0.00 02:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.80 0.80 0.57 0.57 0.00 0.00 0.00 0.00 Average: eth0 91.09 67.73 1132.93 12.69 0.00 0.00 0.00 0.00 Average: docker0 0.44 0.41 0.51 0.06 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) 14:18:10 LINUX RESTART (4 CPU) 02:19:01 PM CPU %user %nice %system %iowait %steal %idle 02:20:01 PM all 9.40 0.00 1.24 0.73 0.01 88.63 02:20:01 PM 0 2.82 0.00 1.08 0.18 0.00 95.91 02:20:01 PM 1 9.66 0.00 1.22 0.43 0.00 88.68 02:20:01 PM 2 15.67 0.00 1.82 1.86 0.02 80.64 02:20:01 PM 3 9.48 0.00 0.82 0.43 0.02 89.25 02:21:01 PM all 9.97 0.00 1.23 0.40 0.01 88.38 02:21:01 PM 0 2.51 0.00 0.45 0.23 0.00 96.81 02:21:01 PM 1 9.17 0.00 1.74 0.62 0.02 88.46 02:21:01 PM 2 24.09 0.00 1.92 0.38 0.03 73.57 02:21:01 PM 3 4.11 0.00 0.80 0.38 0.00 94.71 02:22:01 PM all 28.69 0.00 1.84 1.12 0.01 68.33 02:22:01 PM 0 22.02 0.00 2.01 1.44 0.02 74.52 02:22:01 PM 1 29.34 0.00 1.89 1.57 0.00 67.20 02:22:01 PM 2 32.59 0.00 1.49 0.60 0.02 65.30 02:22:01 PM 3 30.81 0.00 1.97 0.89 0.02 66.32 02:23:01 PM all 0.93 0.00 0.30 0.08 0.01 98.68 02:23:01 PM 0 0.69 0.00 0.35 0.03 0.02 98.91 02:23:01 PM 1 0.99 0.00 0.27 0.23 0.02 98.50 02:23:01 PM 2 1.08 0.00 0.28 0.03 0.00 98.60 02:23:01 PM 3 0.95 0.00 0.30 0.03 0.00 98.71 02:24:01 PM all 23.07 0.10 2.07 0.50 0.01 74.25 02:24:01 PM 0 21.63 0.08 2.03 0.52 0.00 75.73 02:24:01 PM 1 22.25 0.00 2.39 0.64 0.00 74.72 02:24:01 PM 2 25.13 0.03 1.99 0.64 0.02 72.18 02:24:01 PM 3 23.27 0.27 1.88 0.20 0.02 74.36 02:25:01 PM all 17.55 0.00 9.35 6.27 0.02 66.81 02:25:01 PM 0 32.98 0.00 10.39 4.14 0.03 52.45 02:25:01 PM 1 10.88 0.00 9.35 6.86 0.02 72.89 02:25:01 PM 2 12.37 0.00 8.64 6.98 0.02 72.00 02:25:01 PM 3 13.89 0.00 9.02 7.10 0.02 69.97 02:26:01 PM all 38.03 0.00 1.52 5.77 0.02 54.67 02:26:01 PM 0 25.76 0.00 1.22 6.22 0.00 66.79 02:26:01 PM 1 37.29 0.00 1.72 6.24 0.02 54.73 02:26:01 PM 2 47.38 0.00 1.34 4.76 0.02 46.50 02:26:01 PM 3 41.66 0.00 1.79 5.85 0.03 50.66 02:27:01 PM all 21.01 0.00 1.77 0.96 0.01 76.25 02:27:01 PM 0 11.56 0.00 1.49 0.87 0.02 86.06 02:27:01 PM 1 23.23 0.00 1.69 1.14 0.02 73.93 02:27:01 PM 2 11.22 0.00 1.30 0.97 0.02 86.49 02:27:01 PM 3 38.00 0.00 2.60 0.88 0.00 58.51 Average: all 18.58 0.01 2.40 1.97 0.01 77.03 Average: 0 14.96 0.01 2.36 1.70 0.01 80.95 Average: 1 17.86 0.00 2.52 2.21 0.01 77.40 Average: 2 21.21 0.00 2.34 2.02 0.02 74.42 Average: 3 20.28 0.03 2.38 1.96 0.01 75.33