---> uname -a: Linux prd-centos8-docker-4c-4g-4375.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: 2800.012 BogoMIPS: 5600.02 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 823 11970 20 2967 14587 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:c6:bd:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86099sec preferred_lft 86099sec inet6 fe80::f816:3eff:fec6:bdaa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:75:f6:04:60 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::42:75ff:fef6:460/64 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) 09/23/2026 _x86_64_ (4 CPU) 07:15:47 LINUX RESTART (4 CPU) 07:16:01 AM tps rtps wtps bread/s bwrtn/s 07:17:01 AM 265.79 41.50 224.29 7862.05 26422.16 07:18:01 AM 167.44 3.01 164.42 1382.28 14597.57 07:19:01 AM 39.49 0.05 39.44 1.07 4329.84 07:20:01 AM 125.07 2.12 122.96 3264.90 19016.41 Average: 149.45 11.67 137.78 3127.43 16091.49 07:16:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:17:01 AM 13233644 15047264 2905672 18.00 2688 2029008 1154956 6.72 139592 2405556 185508 07:18:01 AM 12190608 14338780 3948708 24.47 2688 2352220 2121764 12.34 198448 3337448 91804 07:19:01 AM 12530648 14762180 3608668 22.36 2688 2432664 1731484 10.07 214864 2970488 56640 07:20:01 AM 12315044 14990372 3824272 23.70 2688 2864152 1305384 7.59 345716 3007536 328 Average: 12567486 14784649 3571830 22.13 2688 2419511 1578397 9.18 224655 2930257 83570 07:16:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 AM eth0 359.58 220.06 2021.90 72.05 0.00 0.00 0.00 0.00 07:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 AM eth0 255.08 206.20 2171.60 48.15 0.00 0.00 0.00 0.00 07:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 AM eth0 61.48 55.05 242.91 23.96 0.00 0.00 0.00 0.00 07:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 AM eth0 148.76 72.68 1895.68 144.31 0.00 0.00 0.00 0.00 07:20:01 AM docker0 39.78 30.47 130.52 9.45 0.00 0.00 0.00 0.00 07:20:01 AM veth28c19f9 39.78 30.50 131.07 9.45 0.00 0.00 0.00 0.01 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 206.23 138.50 1583.08 72.12 0.00 0.00 0.00 0.00 Average: docker0 9.95 7.62 32.63 2.36 0.00 0.00 0.00 0.00 Average: veth28c19f9 9.95 7.63 32.77 2.36 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) 09/23/2026 _x86_64_ (4 CPU) 07:15:47 LINUX RESTART (4 CPU) 07:16:01 AM CPU %user %nice %system %iowait %steal %idle 07:17:01 AM all 26.37 0.00 3.74 3.15 0.01 66.72 07:17:01 AM 0 15.61 0.00 3.11 1.60 0.02 79.66 07:17:01 AM 1 29.70 0.00 3.78 3.95 0.02 62.56 07:17:01 AM 2 37.34 0.00 4.10 3.18 0.00 55.39 07:17:01 AM 3 22.85 0.00 3.99 3.89 0.00 69.28 07:18:01 AM all 51.02 0.00 3.40 1.43 0.03 44.12 07:18:01 AM 0 48.75 0.00 3.32 1.49 0.03 46.41 07:18:01 AM 1 49.02 0.00 2.87 1.54 0.02 46.55 07:18:01 AM 2 54.69 0.00 3.65 1.49 0.03 40.14 07:18:01 AM 3 51.64 0.00 3.76 1.20 0.03 43.37 07:19:01 AM all 67.85 0.00 2.69 0.86 0.01 28.59 07:19:01 AM 0 67.20 0.00 2.41 0.03 0.02 30.34 07:19:01 AM 1 72.84 0.00 3.71 1.79 0.02 21.65 07:19:01 AM 2 66.96 0.00 2.56 1.42 0.02 29.04 07:19:01 AM 3 64.40 0.00 2.09 0.20 0.00 33.32 07:20:01 AM all 19.34 0.00 4.20 0.75 0.01 75.70 07:20:01 AM 0 15.41 0.00 3.63 0.40 0.02 80.54 07:20:01 AM 1 18.45 0.00 5.16 0.82 0.00 75.57 07:20:01 AM 2 18.69 0.00 4.33 1.36 0.00 75.61 07:20:01 AM 3 24.81 0.00 3.66 0.42 0.03 71.08 Average: all 41.18 0.00 3.51 1.55 0.02 53.75 Average: 0 36.76 0.00 3.12 0.88 0.02 59.22 Average: 1 42.54 0.00 3.88 2.03 0.01 51.54 Average: 2 44.45 0.00 3.66 1.86 0.01 50.02 Average: 3 40.96 0.00 3.37 1.43 0.02 54.22