---> uname -a: Linux prd-centos8-docker-8c-8g-1984.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 2799.974 BogoMIPS: 5599.94 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: 31890 1625 27779 19 2485 29818 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:a4:b5:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.109/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fea4:b5e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7e:48:5c:a9 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/14/2026 _x86_64_ (8 CPU) 14:01:18 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 202.60 2.30 200.30 678.71 11942.37 02:04:01 PM 97.05 1.58 95.47 388.60 9370.77 02:05:01 PM 35.10 2.22 32.89 112.10 2787.75 Average: 111.59 2.03 109.55 393.14 8033.56 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 27526652 29423148 5129060 15.71 2688 2212052 3349700 9.94 196824 4455204 144904 02:04:01 PM 27273012 29332964 5382700 16.48 2688 2370692 3364588 9.98 226680 4660792 41636 02:05:01 PM 28485496 30571504 4170216 12.77 2688 2395148 1979820 5.87 449864 3228900 23272 Average: 27761720 29775872 4893992 14.99 2688 2325964 2898036 8.60 291123 4114965 69937 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 02:03:01 PM eth0 222.21 178.76 2656.19 45.03 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 02:04:01 PM eth0 169.46 140.23 1556.52 33.85 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 234.07 152.75 385.00 136.83 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 208.58 157.25 1532.57 71.91 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/14/2026 _x86_64_ (8 CPU) 14:01:18 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 27.25 0.00 1.37 0.49 0.06 70.82 02:03:01 PM 0 23.97 0.00 1.09 0.22 0.07 74.66 02:03:01 PM 1 28.86 0.00 0.82 0.32 0.07 69.93 02:03:01 PM 2 25.84 0.00 1.75 1.00 0.07 71.34 02:03:01 PM 3 25.58 0.00 2.14 0.47 0.07 71.74 02:03:01 PM 4 43.93 0.00 1.03 0.15 0.05 54.84 02:03:01 PM 5 26.32 0.00 1.04 0.22 0.05 72.37 02:03:01 PM 6 24.56 0.00 1.89 1.14 0.08 72.33 02:03:01 PM 7 18.90 0.00 1.24 0.45 0.07 79.35 02:04:01 PM all 41.71 0.00 1.65 0.26 0.09 56.29 02:04:01 PM 0 37.10 0.00 1.57 0.17 0.08 61.08 02:04:01 PM 1 40.39 0.00 1.69 0.13 0.12 57.67 02:04:01 PM 2 47.19 0.00 2.04 0.52 0.08 50.16 02:04:01 PM 3 35.48 0.00 1.64 0.13 0.10 62.65 02:04:01 PM 4 48.29 0.00 2.03 0.15 0.08 49.45 02:04:01 PM 5 43.25 0.00 1.09 0.03 0.08 55.55 02:04:01 PM 6 31.20 0.00 1.51 0.79 0.07 66.44 02:04:01 PM 7 50.81 0.00 1.64 0.13 0.07 47.35 02:05:01 PM all 16.27 0.00 1.07 0.08 0.05 82.54 02:05:01 PM 0 22.40 0.00 1.84 0.07 0.07 75.63 02:05:01 PM 1 27.21 0.00 0.87 0.05 0.05 71.82 02:05:01 PM 2 9.02 0.00 0.70 0.00 0.03 90.25 02:05:01 PM 3 8.02 0.00 1.52 0.02 0.05 90.39 02:05:01 PM 4 22.73 0.00 1.52 0.05 0.05 75.65 02:05:01 PM 5 5.98 0.00 0.77 0.37 0.07 92.82 02:05:01 PM 6 20.18 0.00 0.60 0.07 0.05 79.10 02:05:01 PM 7 14.56 0.00 0.72 0.00 0.03 84.68 Average: all 28.40 0.00 1.36 0.28 0.07 69.89 Average: 0 27.82 0.00 1.50 0.15 0.07 70.46 Average: 1 32.15 0.00 1.13 0.17 0.08 66.48 Average: 2 27.33 0.00 1.50 0.51 0.06 70.61 Average: 3 23.03 0.00 1.77 0.21 0.07 74.92 Average: 4 38.31 0.00 1.53 0.12 0.06 59.99 Average: 5 25.17 0.00 0.96 0.21 0.07 73.59 Average: 6 25.31 0.00 1.33 0.66 0.07 72.63 Average: 7 28.08 0.00 1.20 0.19 0.06 70.47