---> uname -a: Linux prd-centos8-docker-8c-8g-14161.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 988 28300 19 2599 30447 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:b7:5d:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.126/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:feb7:5d25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:33:e8:78:92 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) 07/31/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 171.96 2.69 169.27 355.34 12239.57 05:20:01 AM 186.12 2.50 183.62 940.35 12527.82 05:21:01 AM 69.56 1.37 68.19 114.11 6058.81 Average: 142.39 2.18 140.20 470.59 10264.78 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29176576 31091852 3476788 10.65 2688 2229876 1971948 5.85 166712 2838504 234680 05:20:01 AM 27485848 29633068 5167516 15.83 2688 2454072 2826640 8.39 230736 4425976 112468 05:21:01 AM 28966444 31165188 3686920 11.29 2688 2503004 1469552 4.36 424368 2751276 29036 Average: 28542956 30630036 4110408 12.59 2688 2395651 2089380 6.20 273939 3338585 125395 05:18:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 197.71 164.73 2189.60 48.81 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 218.78 195.03 2363.72 37.79 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 151.07 152.72 353.38 169.33 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 189.14 170.86 1632.58 85.51 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) 07/31/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.93 0.00 1.33 0.53 0.06 83.15 05:19:01 AM 0 9.51 0.00 1.04 0.24 0.07 89.15 05:19:01 AM 1 6.94 0.00 0.53 0.19 0.05 92.30 05:19:01 AM 2 16.85 0.00 1.75 0.54 0.07 80.79 05:19:01 AM 3 20.42 0.00 0.85 0.34 0.05 78.34 05:19:01 AM 4 16.15 0.00 1.33 0.80 0.05 81.68 05:19:01 AM 5 21.48 0.00 2.48 0.95 0.07 75.02 05:19:01 AM 6 16.97 0.00 1.39 0.78 0.05 80.81 05:19:01 AM 7 11.12 0.00 1.29 0.37 0.07 87.14 05:20:01 AM all 41.27 0.00 1.46 0.68 0.08 56.51 05:20:01 AM 0 51.64 0.00 1.72 1.40 0.07 45.17 05:20:01 AM 1 36.79 0.00 1.35 0.27 0.08 61.50 05:20:01 AM 2 29.77 0.00 1.27 0.73 0.08 68.14 05:20:01 AM 3 39.00 0.00 1.82 1.22 0.08 57.87 05:20:01 AM 4 32.47 0.00 0.95 0.38 0.08 66.11 05:20:01 AM 5 55.00 0.00 2.12 0.60 0.08 42.20 05:20:01 AM 6 43.84 0.00 1.24 0.47 0.08 54.37 05:20:01 AM 7 41.60 0.00 1.24 0.38 0.08 56.69 05:21:01 AM all 25.57 0.00 1.38 0.18 0.07 72.79 05:21:01 AM 0 52.20 0.00 1.80 0.22 0.10 45.68 05:21:01 AM 1 21.55 0.00 1.39 0.15 0.07 76.85 05:21:01 AM 2 17.15 0.00 1.10 0.08 0.08 81.58 05:21:01 AM 3 25.49 0.00 1.85 0.45 0.05 72.15 05:21:01 AM 4 20.80 0.00 1.05 0.13 0.07 77.95 05:21:01 AM 5 25.99 0.00 1.17 0.00 0.08 72.75 05:21:01 AM 6 28.50 0.00 1.65 0.37 0.07 69.41 05:21:01 AM 7 12.85 0.00 1.03 0.07 0.05 86.00 Average: all 27.33 0.00 1.39 0.46 0.07 70.75 Average: 0 37.95 0.00 1.52 0.62 0.08 59.83 Average: 1 21.85 0.00 1.09 0.20 0.07 76.79 Average: 2 21.28 0.00 1.37 0.45 0.08 76.81 Average: 3 28.35 0.00 1.51 0.67 0.06 69.40 Average: 4 23.18 0.00 1.11 0.44 0.07 75.21 Average: 5 34.24 0.00 1.92 0.52 0.08 63.25 Average: 6 29.84 0.00 1.43 0.54 0.07 68.13 Average: 7 21.93 0.00 1.19 0.27 0.07 76.55