---> uname -a: Linux prd-centos8-docker-4c-4g-6793.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 811 12043 20 2905 14611 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:60:f2:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.105/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86169sec preferred_lft 86169sec inet6 fe80::f816:3eff:fe60:f20b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ee:0b:26:db 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) 10/03/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 170.14 15.12 155.01 3248.77 11112.84 01:25:01 PM 202.63 6.22 196.42 1056.49 16894.55 01:26:01 PM 45.32 1.65 43.67 123.16 9629.87 Average: 139.36 7.66 131.70 1476.36 12545.35 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12859708 14957400 3279600 20.32 2688 2305588 1464560 8.52 185688 2695720 215576 01:25:01 PM 11362656 13738852 4776652 29.60 2688 2578048 2372132 13.80 255644 4089292 8540 01:26:01 PM 12375584 15004492 3763724 23.32 2688 2828320 1163596 6.77 541404 2794816 5888 Average: 12199316 14566915 3939992 24.41 2688 2570652 1666763 9.70 327579 3193276 76668 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 160.79 110.46 2009.91 24.49 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 16.43 16.43 3.97 3.97 0.00 0.00 0.00 0.00 01:25:01 PM eth0 346.76 260.51 3776.26 53.03 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 15.23 15.23 4.31 4.31 0.00 0.00 0.00 0.00 01:26:01 PM eth0 97.00 86.67 284.44 942.11 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 Average: lo 10.55 10.55 2.76 2.76 0.00 0.00 0.00 0.00 Average: eth0 201.50 152.54 2023.44 339.85 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) 10/03/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.84 0.00 2.51 0.85 0.02 72.79 01:24:01 PM 0 17.18 0.00 2.24 0.50 0.02 80.07 01:24:01 PM 1 28.24 0.00 2.12 1.02 0.02 68.60 01:24:01 PM 2 14.77 0.00 1.57 0.62 0.00 83.04 01:24:01 PM 3 35.18 0.00 4.11 1.25 0.03 59.41 01:25:01 PM all 53.10 0.00 2.53 1.08 0.03 43.26 01:25:01 PM 0 45.75 0.00 2.41 1.15 0.03 50.66 01:25:01 PM 1 51.65 0.00 1.89 0.77 0.02 45.68 01:25:01 PM 2 57.08 0.00 2.29 0.89 0.03 39.71 01:25:01 PM 3 57.93 0.00 3.53 1.51 0.03 37.00 01:26:01 PM all 22.61 0.00 2.33 0.35 0.02 74.70 01:26:01 PM 0 13.23 0.00 1.97 1.14 0.00 83.66 01:26:01 PM 1 40.36 0.00 2.67 0.03 0.03 56.90 01:26:01 PM 2 10.22 0.00 1.86 0.05 0.02 87.86 01:26:01 PM 3 26.58 0.00 2.81 0.18 0.02 70.41 Average: all 33.18 0.00 2.46 0.76 0.02 63.59 Average: 0 25.38 0.00 2.21 0.93 0.02 71.47 Average: 1 40.08 0.00 2.23 0.61 0.02 57.06 Average: 2 27.36 0.00 1.91 0.52 0.02 70.20 Average: 3 39.89 0.00 3.48 0.98 0.03 55.62