---> uname -a: Linux prd-centos8-docker-4c-4g-5701.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 807 12045 20 2908 14615 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:8d:1f:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.96/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe8d:1f8d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:49:e3:27 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) 09/28/2026 _x86_64_ (4 CPU) 01:27:03 LINUX RESTART (4 CPU) 01:28:01 AM tps rtps wtps bread/s bwrtn/s 01:29:01 AM 129.42 14.68 114.75 3203.33 9193.89 01:30:01 AM 230.34 5.83 224.51 1042.32 18379.72 01:31:01 AM 35.21 1.35 33.86 82.61 1282.25 Average: 131.65 7.29 124.36 1442.60 9617.69 01:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 AM 12902944 14982056 3236372 20.05 2688 2287828 1284500 7.47 152624 2694388 236504 01:30:01 AM 11422884 13800600 4716432 29.22 2688 2579352 2340028 13.61 249688 4034808 8760 01:31:01 AM 12323988 14954860 3815328 23.64 2688 2830020 1236532 7.19 535940 2850496 257804 Average: 12216605 14579172 3922711 24.31 2688 2565733 1620353 9.43 312751 3193231 167689 01:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 140.75 104.03 1626.40 15.65 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 16.11 16.11 3.89 3.89 0.00 0.00 0.00 0.00 01:30:01 AM eth0 394.67 304.83 4066.97 60.18 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 15.31 15.31 4.36 4.36 0.00 0.00 0.00 0.00 01:31:01 AM eth0 93.60 80.11 284.93 46.25 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.47 10.47 2.75 2.75 0.00 0.00 0.00 0.00 Average: eth0 209.66 162.98 1992.58 40.69 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) 09/28/2026 _x86_64_ (4 CPU) 01:27:03 LINUX RESTART (4 CPU) 01:28:01 AM CPU %user %nice %system %iowait %steal %idle 01:29:01 AM all 17.15 0.00 1.74 0.68 0.02 80.41 01:29:01 AM 0 13.68 0.00 1.58 0.52 0.02 84.21 01:29:01 AM 1 9.32 0.00 1.46 1.37 0.00 87.86 01:29:01 AM 2 12.21 0.00 1.19 0.25 0.02 86.34 01:29:01 AM 3 33.39 0.00 2.74 0.57 0.03 63.27 01:30:01 AM all 54.97 0.00 2.71 1.11 0.03 41.17 01:30:01 AM 0 50.71 0.00 2.80 1.17 0.02 45.30 01:30:01 AM 1 56.49 0.00 3.75 1.69 0.03 38.03 01:30:01 AM 2 50.39 0.00 2.44 0.75 0.03 46.38 01:30:01 AM 3 62.29 0.00 1.85 0.84 0.05 34.97 01:31:01 AM all 23.27 0.00 2.24 0.15 0.02 74.33 01:31:01 AM 0 22.57 0.00 2.52 0.07 0.02 74.83 01:31:01 AM 1 16.08 0.00 1.83 0.20 0.02 81.88 01:31:01 AM 2 39.57 0.00 2.56 0.07 0.03 57.77 01:31:01 AM 3 14.85 0.00 2.05 0.27 0.00 82.83 Average: all 31.79 0.00 2.23 0.65 0.02 65.31 Average: 0 28.95 0.00 2.30 0.58 0.02 68.15 Average: 1 27.29 0.00 2.34 1.09 0.02 69.26 Average: 2 34.07 0.00 2.06 0.36 0.03 63.48 Average: 3 36.84 0.00 2.22 0.56 0.03 60.36