---> uname -a: Linux prd-centos8-docker-4c-4g-1269.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 1030 10813 20 3917 14380 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:95:fb:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.110/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe95:fb29/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a7:56:29:d3 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:a7ff:fe56:29d3/64 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) 10/13/2026 _x86_64_ (4 CPU) 10:47:14 LINUX RESTART (4 CPU) 10:48:01 AM tps rtps wtps bread/s bwrtn/s 10:49:01 AM 196.22 4.83 191.38 444.86 11381.57 10:50:01 AM 281.99 3.22 278.77 814.93 39736.90 10:51:01 AM 1009.86 95.05 914.81 1697.30 25986.39 10:52:01 AM 67.73 23.83 43.90 475.97 2576.79 Average: 388.96 31.73 357.22 858.28 19920.77 10:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:49:01 AM 12642200 14683452 3497108 21.67 2688 2246684 1585912 9.23 160720 2929680 231452 10:50:01 AM 11205284 14187776 4934024 30.57 2688 3145572 1835264 10.68 352572 4045040 25900 10:51:01 AM 9804300 13391968 6335008 39.25 2688 3578316 1919460 11.17 402020 5025324 6768 10:52:01 AM 11034820 14685996 5104488 31.63 2688 3636808 1294044 7.53 621992 3582076 25804 Average: 11171651 14237298 4967657 30.78 2688 3151845 1658670 9.65 384326 3895530 72481 10:48:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 AM eth0 201.75 156.94 2257.29 29.60 0.00 0.00 0.00 0.00 10:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 AM lo 6.16 6.16 4.57 4.57 0.00 0.00 0.00 0.00 10:50:01 AM eth0 430.57 300.03 5642.41 41.64 0.00 0.00 0.00 0.00 10:50:01 AM docker0 3.42 3.10 4.10 0.45 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 85.40 56.01 852.10 9.92 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 25.76 20.24 58.06 10.97 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 Average: lo 1.54 1.54 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 185.87 133.31 2202.46 23.03 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.77 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) 10/13/2026 _x86_64_ (4 CPU) 10:47:14 LINUX RESTART (4 CPU) 10:48:01 AM CPU %user %nice %system %iowait %steal %idle 10:49:01 AM all 25.21 0.00 2.35 1.03 0.04 71.37 10:49:01 AM 0 16.95 0.00 2.41 1.60 0.05 78.99 10:49:01 AM 1 25.75 0.00 2.00 0.94 0.02 71.29 10:49:01 AM 2 18.37 0.00 1.78 0.47 0.05 79.33 10:49:01 AM 3 39.74 0.00 3.21 1.12 0.05 55.88 10:50:01 AM all 49.67 0.08 5.09 1.51 0.05 43.60 10:50:01 AM 0 51.92 0.18 4.50 1.34 0.07 41.98 10:50:01 AM 1 49.97 0.05 4.64 1.41 0.07 43.87 10:50:01 AM 2 48.49 0.03 6.01 1.95 0.03 43.48 10:50:01 AM 3 48.28 0.07 5.20 1.33 0.05 45.07 10:51:01 AM all 30.53 0.00 7.48 6.79 0.06 55.14 10:51:01 AM 0 33.56 0.00 6.49 4.75 0.07 55.13 10:51:01 AM 1 32.69 0.00 8.10 6.78 0.07 52.37 10:51:01 AM 2 38.19 0.00 8.59 9.95 0.05 43.22 10:51:01 AM 3 17.66 0.00 6.75 5.68 0.05 69.86 10:52:01 AM all 35.51 0.00 2.21 0.45 0.04 61.80 10:52:01 AM 0 34.38 0.00 2.29 0.15 0.02 63.16 10:52:01 AM 1 49.21 0.00 2.87 0.48 0.05 47.39 10:52:01 AM 2 39.00 0.00 2.07 0.64 0.03 58.26 10:52:01 AM 3 19.42 0.00 1.59 0.52 0.05 78.42 Average: all 35.22 0.02 4.27 2.43 0.05 58.01 Average: 0 34.18 0.05 3.91 1.95 0.05 59.85 Average: 1 39.41 0.01 4.39 2.39 0.05 53.75 Average: 2 36.00 0.01 4.60 3.23 0.04 56.12 Average: 3 31.29 0.02 4.18 2.15 0.05 62.31