---> uname -a: Linux prd-centos8-docker-4c-4g-2987.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 nrip_save 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 833 11459 19 3468 14578 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:b2:08:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.114/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85904sec preferred_lft 85904sec inet6 fe80::f816:3eff:feb2:8ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:26:1d:49: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::42:26ff:fe1d:49b7/64 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) 06/27/2026 _x86_64_ (4 CPU) 08:03:27 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 142.49 15.03 127.46 3133.22 9984.51 08:06:01 AM 208.04 7.33 200.72 1038.16 13837.28 08:07:01 AM 28.64 0.05 28.59 1.07 7677.74 08:08:02 AM 13.06 1.05 12.01 113.39 379.05 08:09:01 AM 86.39 2.37 84.02 595.46 18988.34 08:10:01 AM 15.66 1.22 14.44 1590.67 1499.37 08:11:01 AM 101.62 0.08 101.53 9.86 8193.82 Average: 85.13 3.88 81.25 926.75 8626.71 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 12911764 15011268 3227556 20.00 2688 2306552 1255736 7.31 159188 2679048 248452 08:06:01 AM 11331316 13794036 4808004 29.79 2688 2661784 2177768 12.67 250432 4126560 221816 08:07:01 AM 10639884 13105928 5499436 34.07 2688 2664948 2744068 15.97 263612 4803812 1156 08:08:02 AM 9187648 11674816 6951672 43.07 2688 2685412 4135608 24.06 272920 6238324 3308 08:09:01 AM 8519508 11432244 7619812 47.21 2688 3100728 5189772 30.19 395712 6737056 92 08:10:01 AM 11048040 14204348 5091280 31.55 2688 3343644 2385064 13.88 454296 4161488 168912 08:11:01 AM 11776504 14964344 4362816 27.03 2688 3366692 1737560 10.11 657676 3219828 11248 Average: 10773523 13455283 5365797 33.25 2688 2875680 2803654 16.31 350548 4566588 93569 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 134.74 91.77 1893.87 19.87 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 295.15 259.69 4923.06 38.44 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 149.67 93.34 50.70 59.93 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:02 AM lo 3.46 3.46 0.47 0.47 0.00 0.00 0.00 0.00 08:08:02 AM eth0 209.03 134.34 71.38 76.17 0.00 0.00 0.00 0.00 08:08:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 12.52 12.52 27.04 27.04 0.00 0.00 0.00 0.00 08:09:01 AM eth0 278.50 132.97 2884.83 13.30 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:09:01 AM vethf7d31d3 0.15 0.41 0.01 0.03 0.00 0.00 0.00 0.00 08:09:01 AM br-403817aa0ac1 5.57 5.59 26.03 0.94 0.00 0.00 0.00 0.00 08:10:01 AM lo 1.57 1.57 0.11 0.11 0.00 0.00 0.00 0.00 08:10:01 AM eth0 184.46 141.61 3132.67 11.96 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 50.45 44.34 8.81 173.75 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.48 2.48 3.89 3.89 0.00 0.00 0.00 0.00 Average: eth0 185.79 128.30 1849.96 56.30 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.05 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) 06/27/2026 _x86_64_ (4 CPU) 08:03:27 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 20.95 0.00 2.02 0.89 0.08 76.06 08:05:01 AM 0 35.53 0.00 3.25 1.39 0.08 59.75 08:05:01 AM 1 7.02 0.00 0.90 0.50 0.07 91.51 08:05:01 AM 2 28.08 0.00 2.94 0.89 0.08 68.01 08:05:01 AM 3 13.15 0.00 0.97 0.80 0.08 84.99 08:06:01 AM all 54.98 0.00 2.16 1.51 0.11 41.24 08:06:01 AM 0 55.13 0.00 2.49 1.27 0.12 41.00 08:06:01 AM 1 55.81 0.00 1.75 1.99 0.12 40.33 08:06:01 AM 2 57.16 0.00 3.01 2.31 0.12 37.40 08:06:01 AM 3 51.84 0.00 1.40 0.47 0.10 46.19 08:07:01 AM all 30.07 0.00 1.31 0.27 0.07 68.28 08:07:01 AM 0 31.07 0.00 0.92 0.18 0.07 67.76 08:07:01 AM 1 29.74 0.00 1.25 0.33 0.07 68.60 08:07:01 AM 2 23.78 0.00 1.74 0.57 0.08 73.83 08:07:01 AM 3 35.67 0.00 1.32 0.00 0.07 62.94 08:08:02 AM all 33.64 0.00 1.52 0.03 0.08 64.73 08:08:02 AM 0 50.21 0.00 1.48 0.03 0.08 48.19 08:08:02 AM 1 26.33 0.00 1.64 0.02 0.08 71.93 08:08:02 AM 2 22.57 0.00 1.57 0.03 0.08 75.74 08:08:02 AM 3 35.41 0.00 1.37 0.03 0.08 63.11 08:09:01 AM all 32.58 0.00 3.43 0.75 0.09 63.15 08:09:01 AM 0 37.83 0.00 3.01 0.67 0.10 58.39 08:09:01 AM 1 26.43 0.00 3.17 0.91 0.09 69.41 08:09:01 AM 2 26.14 0.00 2.97 0.80 0.09 69.99 08:09:01 AM 3 39.90 0.00 4.58 0.62 0.09 54.82 08:10:01 AM all 36.23 0.00 1.13 0.06 0.08 62.50 08:10:01 AM 0 39.71 0.00 0.84 0.02 0.07 59.37 08:10:01 AM 1 34.48 0.00 1.07 0.07 0.08 64.30 08:10:01 AM 2 34.54 0.00 1.02 0.10 0.08 64.25 08:10:01 AM 3 36.17 0.00 1.60 0.07 0.08 62.08 08:11:01 AM all 64.01 0.00 1.59 0.63 0.09 33.69 08:11:01 AM 0 75.81 0.00 0.48 0.10 0.08 23.52 08:11:01 AM 1 58.04 0.00 0.72 0.75 0.08 40.41 08:11:01 AM 2 46.67 0.00 1.90 1.29 0.10 50.04 08:11:01 AM 3 75.50 0.00 3.25 0.37 0.08 20.80 Average: all 38.94 0.00 1.87 0.59 0.09 58.51 Average: 0 46.50 0.00 1.78 0.52 0.09 51.11 Average: 1 34.01 0.00 1.49 0.65 0.08 63.76 Average: 2 34.14 0.00 2.16 0.85 0.09 62.75 Average: 3 41.11 0.00 2.06 0.34 0.08 56.41