---> uname -a: Linux prd-centos8-docker-4c-4g-5886.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1021 10812 20 3927 14389 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:67:2f:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.252/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fe67:2ffd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7e:45:b1:2c 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 inet6 fe80::42:7eff:fe45:b12c/64 scope link 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) 09/28/2026 _x86_64_ (4 CPU) 12:25:50 LINUX RESTART (4 CPU) 12:26:01 PM tps rtps wtps bread/s bwrtn/s 12:27:01 PM 273.58 92.27 181.31 11011.66 42088.84 12:28:02 PM 275.06 6.30 268.76 1149.88 23190.20 12:29:01 PM 510.50 1.91 508.59 84.58 37540.75 12:30:01 PM 670.21 115.74 554.47 2053.64 15210.43 Average: 432.02 54.28 377.74 3589.48 29473.36 12:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:27:01 PM 13356868 15105900 2782448 17.24 2688 1966208 1104688 6.43 141224 2286236 166144 12:28:02 PM 11352588 13589324 4786728 29.66 2688 2438824 2902708 16.89 209008 4148396 72 12:29:01 PM 10275028 13768132 5864288 36.34 2688 3530196 1967152 11.44 353124 4734300 275468 12:30:01 PM 10059104 13688836 6080212 37.67 2688 3618660 2140844 12.46 422888 4755364 16972 Average: 11260897 14038048 4878419 30.23 2688 2888472 2028848 11.80 281561 3981074 114664 12:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 344.05 192.02 1703.60 69.10 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:02 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:28:02 PM eth0 329.52 261.46 4014.07 42.96 0.00 0.00 0.00 0.00 12:28:02 PM docker0 0.07 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:28:02 PM vethee5e71b 0.07 0.17 0.00 0.02 0.00 0.00 0.00 0.00 12:29:01 PM lo 6.18 6.18 4.56 4.56 0.00 0.00 0.00 0.00 12:29:01 PM eth0 373.86 226.74 4059.64 39.17 0.00 0.00 0.00 0.00 12:29:01 PM docker0 3.34 3.08 4.15 0.45 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 4.50 3.78 58.60 0.89 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 262.51 170.76 2452.18 38.02 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.79 1.03 0.11 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) 09/28/2026 _x86_64_ (4 CPU) 12:25:50 LINUX RESTART (4 CPU) 12:26:01 PM CPU %user %nice %system %iowait %steal %idle 12:27:01 PM all 23.48 0.00 4.37 9.00 0.02 63.14 12:27:01 PM 0 28.88 0.00 4.74 3.77 0.02 62.60 12:27:01 PM 1 34.05 0.00 5.27 16.02 0.03 44.62 12:27:01 PM 2 17.58 0.00 2.67 9.92 0.02 69.81 12:27:01 PM 3 13.38 0.00 4.78 6.28 0.02 75.55 12:28:02 PM all 38.24 0.00 2.78 1.36 0.02 57.60 12:28:02 PM 0 54.24 0.00 3.75 1.89 0.03 40.09 12:28:02 PM 1 36.56 0.00 2.57 1.05 0.00 59.81 12:28:02 PM 2 30.66 0.00 2.41 1.27 0.02 65.64 12:28:02 PM 3 31.50 0.00 2.39 1.22 0.02 64.87 12:29:01 PM all 36.46 0.11 9.44 3.33 0.02 50.64 12:29:01 PM 0 30.24 0.07 6.94 4.04 0.02 58.71 12:29:01 PM 1 47.84 0.16 11.22 3.02 0.03 37.72 12:29:01 PM 2 33.68 0.14 11.11 2.92 0.02 52.14 12:29:01 PM 3 34.09 0.09 8.49 3.35 0.02 53.96 12:30:01 PM all 40.98 0.00 3.66 5.23 0.02 50.11 12:30:01 PM 0 39.27 0.00 3.30 3.90 0.02 53.51 12:30:01 PM 1 41.53 0.00 4.28 7.16 0.02 47.01 12:30:01 PM 2 55.22 0.00 3.63 4.24 0.02 36.89 12:30:01 PM 3 27.91 0.00 3.42 5.62 0.02 63.03 Average: all 34.78 0.03 5.03 4.74 0.02 55.41 Average: 0 38.21 0.02 4.67 3.39 0.02 53.69 Average: 1 39.94 0.04 5.80 6.84 0.02 47.37 Average: 2 34.29 0.03 4.90 4.60 0.02 56.16 Average: 3 26.67 0.02 4.74 4.12 0.02 64.42