---> uname -a: Linux prd-centos8-docker-4c-4g-1319.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 764 12195 20 2801 14657 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:8c:df:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.47/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86047sec preferred_lft 86047sec inet6 fe80::f816:3eff:fe8c:df93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:00:f4:69:24 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) 09/14/2026 _x86_64_ (4 CPU) 10:48:32 LINUX RESTART (4 CPU) 10:49:01 AM tps rtps wtps bread/s bwrtn/s 10:50:02 AM 227.83 20.65 207.18 4124.25 7320.95 10:51:01 AM 249.11 7.57 241.54 1043.45 17734.75 10:52:01 AM 37.57 0.05 37.52 1.07 8219.48 10:53:01 AM 4.13 0.00 4.13 0.00 328.91 10:54:01 AM 8.57 2.88 5.68 146.78 269.96 Average: 104.97 6.22 98.75 1063.03 6739.83 10:49:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:02 AM 12905388 15001500 3233928 20.04 2688 2304368 1457608 8.48 158536 2692036 342616 10:51:01 AM 11785232 14252660 4354084 26.98 2688 2667996 1750252 10.18 242888 3681856 220912 10:52:01 AM 9691252 12173608 6448064 39.95 2688 2681752 3784824 22.02 265684 5744012 3692 10:53:01 AM 9594368 12080076 6544948 40.55 2688 2684996 3800616 22.11 265700 5839992 196 10:54:01 AM 12489484 14999832 3649832 22.61 2688 2708344 1164080 6.77 460800 2755780 23468 Average: 11293145 13701535 4846171 30.03 2688 2609491 2391476 13.91 278722 4142735 118177 10:49:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:02 AM eth0 121.66 80.22 1815.62 27.13 0.00 0.00 0.00 0.00 10:50:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:51:01 AM eth0 423.45 342.59 5259.83 51.75 0.00 0.00 0.00 0.00 10:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:01 AM eth0 63.56 46.58 29.42 40.02 0.00 0.00 0.00 0.00 10:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:53:01 AM eth0 235.34 158.79 105.02 97.75 0.00 0.00 0.00 0.00 10:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:54:01 AM lo 6.47 6.47 0.79 0.79 0.00 0.00 0.00 0.00 10:54:01 AM eth0 24.70 22.40 12.12 19.98 0.00 0.00 0.00 0.00 10:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 172.93 129.42 1431.97 47.31 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) 09/14/2026 _x86_64_ (4 CPU) 10:48:32 LINUX RESTART (4 CPU) 10:49:01 AM CPU %user %nice %system %iowait %steal %idle 10:50:02 AM all 21.70 0.00 2.27 1.26 0.04 74.73 10:50:02 AM 0 24.41 0.00 2.17 0.94 0.05 72.43 10:50:02 AM 1 25.38 0.00 2.86 3.04 0.05 68.67 10:50:02 AM 2 25.53 0.00 2.64 0.84 0.03 70.96 10:50:02 AM 3 11.45 0.00 1.42 0.22 0.02 86.90 10:51:01 AM all 53.48 0.00 2.57 1.15 0.04 42.76 10:51:01 AM 0 45.50 0.00 2.84 1.36 0.03 50.26 10:51:01 AM 1 55.70 0.00 2.38 1.49 0.07 40.36 10:51:01 AM 2 50.07 0.00 3.16 1.19 0.03 45.54 10:51:01 AM 3 62.64 0.00 1.88 0.56 0.03 34.88 10:52:01 AM all 63.46 0.00 1.47 0.18 0.07 34.82 10:52:01 AM 0 72.83 0.00 1.84 0.02 0.10 25.21 10:52:01 AM 1 63.65 0.00 1.39 0.07 0.05 34.85 10:52:01 AM 2 44.52 0.00 1.97 0.62 0.07 52.82 10:52:01 AM 3 72.82 0.00 0.70 0.00 0.05 26.43 10:53:01 AM all 14.51 0.00 1.53 0.02 0.02 83.93 10:53:01 AM 0 11.12 0.00 1.59 0.02 0.02 87.26 10:53:01 AM 1 10.12 0.00 1.89 0.02 0.02 87.95 10:53:01 AM 2 18.44 0.00 1.57 0.02 0.00 79.97 10:53:01 AM 3 18.34 0.00 1.07 0.02 0.03 80.54 10:54:01 AM all 53.31 0.00 1.52 0.05 0.07 45.06 10:54:01 AM 0 42.13 0.00 1.24 0.07 0.02 56.55 10:54:01 AM 1 68.86 0.00 1.80 0.10 0.15 29.08 10:54:01 AM 2 48.56 0.00 1.54 0.02 0.07 49.82 10:54:01 AM 3 53.70 0.00 1.49 0.02 0.03 44.76 Average: all 41.26 0.00 1.87 0.53 0.05 56.30 Average: 0 39.19 0.00 1.93 0.48 0.04 58.36 Average: 1 44.72 0.00 2.06 0.94 0.07 52.21 Average: 2 37.38 0.00 2.17 0.53 0.04 59.88 Average: 3 43.75 0.00 1.31 0.16 0.03 54.74