---> uname -a: Linux prd-centos8-docker-8c-8g-8773.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 994 28280 19 2612 30441 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:f2:47:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fef2:4780/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:29:01:40:46 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) 07/11/2026 _x86_64_ (8 CPU) 05:17:22 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 141.82 2.03 139.79 307.90 10565.69 05:20:01 AM 211.26 3.43 207.83 1008.86 13041.20 05:21:01 AM 72.05 1.13 70.91 81.83 5788.02 Average: 141.71 2.20 139.51 466.17 9798.08 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28623080 30531492 4030292 12.34 2688 2223956 2272496 6.74 159240 3402852 228376 05:20:01 AM 27250180 29364936 5403192 16.55 2688 2422284 3190752 9.47 222692 4674216 71316 05:21:01 AM 28977368 31195532 3676004 11.26 2688 2523044 1467200 4.35 421000 2747376 53004 Average: 28283543 30363987 4369829 13.38 2688 2389761 2310149 6.85 267644 3608148 117565 05:18:01 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 169.58 140.80 1977.06 45.01 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 228.71 205.11 2162.25 40.87 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 194.94 187.12 816.71 173.04 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 197.74 177.68 1651.96 86.31 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) 07/11/2026 _x86_64_ (8 CPU) 05:17:22 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 11.89 0.00 1.01 0.35 0.06 86.69 05:19:01 AM 0 10.94 0.00 0.95 0.10 0.07 87.94 05:19:01 AM 1 10.59 0.00 0.70 0.23 0.07 88.41 05:19:01 AM 2 22.45 0.00 1.99 0.57 0.08 74.91 05:19:01 AM 3 9.22 0.00 0.50 0.17 0.07 90.05 05:19:01 AM 4 4.42 0.00 0.75 0.37 0.03 94.43 05:19:01 AM 5 20.65 0.00 2.00 0.58 0.03 76.73 05:19:01 AM 6 7.45 0.00 0.67 0.27 0.05 91.56 05:19:01 AM 7 9.41 0.00 0.52 0.52 0.05 89.50 05:20:01 AM all 40.32 0.00 1.80 0.58 0.09 57.21 05:20:01 AM 0 40.07 0.00 1.42 0.27 0.10 58.14 05:20:01 AM 1 40.89 0.00 2.32 1.29 0.08 55.41 05:20:01 AM 2 42.73 0.00 2.41 1.00 0.08 53.77 05:20:01 AM 3 50.29 0.00 1.32 0.25 0.10 48.04 05:20:01 AM 4 30.17 0.00 2.02 0.42 0.08 67.30 05:20:01 AM 5 53.31 0.00 2.20 0.33 0.10 44.05 05:20:01 AM 6 40.69 0.00 1.30 0.50 0.08 57.42 05:20:01 AM 7 24.38 0.00 1.39 0.60 0.08 73.55 05:21:01 AM all 29.94 0.00 1.58 0.17 0.08 68.23 05:21:01 AM 0 30.16 0.00 1.65 0.32 0.08 67.79 05:21:01 AM 1 32.10 0.00 1.22 0.07 0.08 66.53 05:21:01 AM 2 27.05 0.00 1.35 0.27 0.10 71.23 05:21:01 AM 3 40.40 0.00 2.04 0.08 0.08 57.39 05:21:01 AM 4 29.13 0.00 1.64 0.05 0.07 69.12 05:21:01 AM 5 25.64 0.00 1.25 0.02 0.08 73.01 05:21:01 AM 6 24.24 0.00 1.65 0.32 0.07 73.73 05:21:01 AM 7 30.77 0.00 1.84 0.22 0.08 67.09 Average: all 27.38 0.00 1.46 0.37 0.08 70.72 Average: 0 27.06 0.00 1.34 0.23 0.08 71.29 Average: 1 27.85 0.00 1.41 0.53 0.08 70.13 Average: 2 30.74 0.00 1.92 0.61 0.09 66.64 Average: 3 33.30 0.00 1.29 0.17 0.08 65.16 Average: 4 21.24 0.00 1.47 0.28 0.06 76.95 Average: 5 33.20 0.00 1.82 0.31 0.07 64.60 Average: 6 24.12 0.00 1.21 0.36 0.07 74.24 Average: 7 21.51 0.00 1.25 0.45 0.07 76.72