---> uname -a: Linux prd-centos8-docker-4c-4g-236.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: 2799.998 BogoMIPS: 5599.99 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 776 12174 19 2810 14645 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:6f:b0:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.172/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86042sec preferred_lft 86042sec inet6 fe80::f816:3eff:fe6f:b021/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:79:d4:3a:6a 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) 07/16/2026 _x86_64_ (4 CPU) 15:27:14 LINUX RESTART (4 CPU) 03:28:01 PM tps rtps wtps bread/s bwrtn/s 03:29:01 PM 218.08 19.08 199.00 3953.79 11618.18 03:30:01 PM 122.65 2.88 119.77 273.02 13181.63 03:31:01 PM 27.02 0.00 27.02 0.00 6732.00 03:32:01 PM 4.47 1.70 2.77 51.06 280.00 03:33:01 PM 24.64 1.50 23.14 142.09 1163.41 Average: 79.40 5.03 74.36 884.46 6596.54 03:28:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:29:01 PM 12551816 14791548 3587504 22.23 2688 2443028 1323272 7.70 171704 3009960 313912 03:30:01 PM 10355440 12843488 5783880 35.84 2688 2686696 3125784 18.19 263404 5085236 190784 03:31:01 PM 9528472 12020872 6610848 40.96 2688 2690924 3813892 22.19 263760 5911612 932 03:32:01 PM 8851144 11353452 7288176 45.16 2688 2700496 4419712 25.71 267748 6582344 1848 03:33:01 PM 12465112 14993948 3674208 22.77 2688 2725464 1154076 6.71 473956 2769616 27080 Average: 10750397 13200662 5388923 33.39 2688 2649322 2767347 16.10 288114 4671754 106911 03:28:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 PM eth0 303.05 233.93 3285.67 34.90 0.00 0.00 0.00 0.00 03:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 PM eth0 243.69 178.83 3542.06 28.35 0.00 0.00 0.00 0.00 03:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 PM eth0 201.65 136.57 70.37 80.03 0.00 0.00 0.00 0.00 03:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 PM eth0 132.68 104.28 40.04 45.78 0.00 0.00 0.00 0.00 03:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 PM lo 6.30 6.30 0.78 0.78 0.00 0.00 0.00 0.00 03:33:01 PM eth0 28.94 24.61 20.45 11.07 0.00 0.00 0.00 0.00 03:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 182.03 135.66 1392.18 40.03 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) 07/16/2026 _x86_64_ (4 CPU) 15:27:14 LINUX RESTART (4 CPU) 03:28:01 PM CPU %user %nice %system %iowait %steal %idle 03:29:01 PM all 25.56 0.00 2.45 1.16 0.10 70.72 03:29:01 PM 0 38.35 0.00 4.59 2.08 0.12 54.87 03:29:01 PM 1 19.41 0.00 1.05 0.65 0.10 78.79 03:29:01 PM 2 22.50 0.00 1.79 0.50 0.10 75.10 03:29:01 PM 3 22.02 0.00 2.38 1.42 0.08 74.10 03:30:01 PM all 66.02 0.00 1.90 0.53 0.11 31.44 03:30:01 PM 0 71.89 0.00 2.52 0.33 0.13 25.12 03:30:01 PM 1 69.62 0.00 1.10 0.43 0.10 28.75 03:30:01 PM 2 67.81 0.00 1.65 0.48 0.10 29.95 03:30:01 PM 3 54.76 0.00 2.34 0.85 0.12 41.93 03:31:01 PM all 26.39 0.00 1.31 0.24 0.08 71.99 03:31:01 PM 0 27.66 0.00 1.42 0.13 0.07 70.72 03:31:01 PM 1 26.50 0.00 1.25 0.00 0.08 72.16 03:31:01 PM 2 31.03 0.00 1.03 0.43 0.08 67.42 03:31:01 PM 3 20.36 0.00 1.52 0.40 0.07 77.65 03:32:01 PM all 35.55 0.00 1.14 0.03 0.08 63.21 03:32:01 PM 0 55.64 0.00 1.59 0.05 0.08 42.64 03:32:01 PM 1 37.94 0.00 1.03 0.00 0.07 60.96 03:32:01 PM 2 21.70 0.00 1.09 0.03 0.07 77.12 03:32:01 PM 3 26.91 0.00 0.85 0.02 0.08 72.14 03:33:01 PM all 46.32 0.00 1.70 0.09 0.09 51.79 03:33:01 PM 0 58.76 0.00 2.33 0.13 0.10 38.67 03:33:01 PM 1 41.47 0.00 1.20 0.07 0.10 57.16 03:33:01 PM 2 45.21 0.00 2.07 0.13 0.08 52.50 03:33:01 PM 3 39.82 0.00 1.20 0.03 0.08 58.86 Average: all 39.98 0.00 1.70 0.41 0.09 57.82 Average: 0 50.47 0.00 2.49 0.54 0.10 46.39 Average: 1 38.99 0.00 1.13 0.23 0.09 59.56 Average: 2 37.65 0.00 1.53 0.32 0.09 60.42 Average: 3 32.78 0.00 1.66 0.54 0.09 64.93