---> uname -a: Linux prd-centos8-docker-4c-4g-1523.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: 2799.998 BogoMIPS: 5599.99 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 10816 20 3923 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:63:10:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.49/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fe63:10dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dd:7e:55:30 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:ddff:fe7e:5530/64 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) 09/15/2026 _x86_64_ (4 CPU) 07:12:15 LINUX RESTART (4 CPU) 07:13:01 AM tps rtps wtps bread/s bwrtn/s 07:14:01 AM 185.00 4.83 180.17 444.86 10911.66 07:15:01 AM 203.78 3.10 200.68 789.21 26991.85 07:16:01 AM 1219.93 95.12 1124.81 1716.89 38718.39 07:17:01 AM 63.18 23.84 39.34 475.57 1647.25 Average: 417.97 31.72 386.25 856.65 19567.96 07:13:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:14:01 AM 12675164 14721380 3464152 21.46 2688 2251816 1535248 8.93 158980 2896792 238260 07:15:01 AM 11572112 14312256 4567204 28.30 2688 2932072 2063136 12.00 419676 3682852 160096 07:16:01 AM 9842164 13436032 6297152 39.02 2688 3584548 1947508 11.33 471632 4907628 6768 07:17:01 AM 11070760 14728492 5068556 31.41 2688 3642892 1223340 7.12 693532 3464808 56420 Average: 11290050 14299540 4849266 30.05 2688 3102832 1692308 9.85 435955 3738020 115386 07:13:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 AM eth0 188.12 138.23 2257.56 30.29 0.00 0.00 0.00 0.00 07:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:15:01 AM lo 5.98 5.98 4.53 4.53 0.00 0.00 0.00 0.00 07:15:01 AM eth0 381.23 277.08 4891.73 1211.88 0.00 0.00 0.00 0.00 07:15:01 AM docker0 3.13 2.97 4.08 0.44 0.00 0.00 0.00 0.00 07:15:01 AM veth026bc4a 0.17 0.45 0.01 0.04 0.00 0.00 0.00 0.00 07:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:16:01 AM eth0 177.61 129.67 1637.34 20.83 0.00 0.00 0.00 0.00 07:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 24.39 20.08 51.84 41.06 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 Average: lo 1.50 1.50 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 192.84 141.27 2209.73 326.06 0.00 0.00 0.00 0.00 Average: docker0 0.78 0.74 1.02 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) 09/15/2026 _x86_64_ (4 CPU) 07:12:15 LINUX RESTART (4 CPU) 07:13:01 AM CPU %user %nice %system %iowait %steal %idle 07:14:01 AM all 24.77 0.00 2.47 0.87 0.03 71.85 07:14:01 AM 0 23.64 0.00 1.97 0.53 0.02 73.85 07:14:01 AM 1 29.34 0.00 3.71 1.27 0.03 65.64 07:14:01 AM 2 18.29 0.00 1.41 0.64 0.03 79.63 07:14:01 AM 3 27.82 0.00 2.81 1.05 0.02 68.30 07:15:01 AM all 46.57 0.11 3.85 1.09 0.03 48.36 07:15:01 AM 0 46.82 0.05 3.47 0.99 0.05 48.62 07:15:01 AM 1 48.68 0.15 3.91 0.84 0.05 46.36 07:15:01 AM 2 45.82 0.02 4.58 1.55 0.00 48.03 07:15:01 AM 3 44.94 0.20 3.43 0.97 0.03 50.43 07:16:01 AM all 29.84 0.00 10.37 8.19 0.04 51.57 07:16:01 AM 0 28.32 0.00 10.41 7.77 0.03 53.47 07:16:01 AM 1 40.58 0.00 11.74 9.64 0.05 37.99 07:16:01 AM 2 19.91 0.00 8.56 7.25 0.03 64.25 07:16:01 AM 3 30.53 0.00 10.77 8.11 0.03 50.56 07:17:01 AM all 38.42 0.00 2.14 0.44 0.03 58.97 07:17:01 AM 0 35.48 0.00 2.26 0.65 0.03 61.58 07:17:01 AM 1 33.24 0.00 1.82 0.10 0.03 64.80 07:17:01 AM 2 41.14 0.00 2.23 0.42 0.02 56.20 07:17:01 AM 3 43.84 0.00 2.24 0.59 0.03 53.30 Average: all 34.90 0.03 4.69 2.63 0.03 57.72 Average: 0 33.56 0.01 4.51 2.47 0.03 59.42 Average: 1 37.94 0.04 5.27 2.94 0.04 53.77 Average: 2 31.31 0.00 4.18 2.45 0.02 62.04 Average: 3 36.80 0.05 4.79 2.66 0.03 55.67