---> uname -a: Linux prd-centos8-docker-4c-4g-4348.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 772 12079 19 2909 14651 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:99:f4:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe99:f4fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:fc:d7:84 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) 07/01/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 269.73 15.94 253.79 3238.25 15592.24 01:26:01 PM 74.12 5.25 68.87 1036.89 10654.11 01:27:01 PM 39.40 3.15 36.25 140.09 848.62 Average: 127.76 8.11 119.65 1471.86 9031.93 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12422684 14759260 3716636 23.03 2688 2538408 1356636 7.89 199328 3099504 244872 01:26:01 PM 11304520 13687260 4834800 29.96 2688 2583300 2460616 14.32 255752 4149596 1096 01:27:01 PM 12336600 14970108 3802720 23.56 2688 2831592 1200804 6.99 531680 2845724 261152 Average: 12021268 14472209 4118052 25.52 2688 2651100 1672685 9.73 328920 3364941 169040 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 414.21 294.85 4997.12 50.08 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 23.06 23.06 4.85 4.85 0.00 0.00 0.00 0.00 01:26:01 PM eth0 73.64 41.98 160.85 32.71 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 5.46 5.46 1.19 1.19 0.00 0.00 0.00 0.00 01:27:01 PM eth0 68.26 74.54 278.13 935.71 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.51 9.51 2.01 2.01 0.00 0.00 0.00 0.00 Average: eth0 185.39 137.14 1812.30 339.50 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) 07/01/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 28.31 0.00 2.79 1.95 0.11 66.84 01:25:01 PM 0 24.05 0.00 2.91 1.37 0.12 71.56 01:25:01 PM 1 33.24 0.00 3.17 2.77 0.10 60.72 01:25:01 PM 2 33.56 0.00 2.65 1.74 0.12 61.94 01:25:01 PM 3 22.40 0.00 2.44 1.91 0.10 73.14 01:26:01 PM all 46.01 0.00 1.23 0.49 0.08 52.18 01:26:01 PM 0 38.01 0.00 1.14 0.22 0.08 60.55 01:26:01 PM 1 41.31 0.00 1.75 1.34 0.10 55.50 01:26:01 PM 2 49.88 0.00 1.02 0.23 0.08 48.78 01:26:01 PM 3 54.83 0.00 1.02 0.17 0.07 43.92 01:27:01 PM all 18.40 0.00 1.42 0.16 0.06 79.96 01:27:01 PM 0 22.59 0.00 1.79 0.12 0.07 75.44 01:27:01 PM 1 26.18 0.00 1.24 0.18 0.07 72.33 01:27:01 PM 2 16.06 0.00 1.92 0.32 0.05 81.65 01:27:01 PM 3 8.75 0.00 0.75 0.02 0.05 90.43 Average: all 30.91 0.00 1.82 0.86 0.08 66.32 Average: 0 28.22 0.00 1.94 0.57 0.09 69.18 Average: 1 33.58 0.00 2.05 1.43 0.09 62.85 Average: 2 33.17 0.00 1.86 0.76 0.08 64.12 Average: 3 28.69 0.00 1.40 0.70 0.07 69.14