---> uname -a: Linux prd-centos8-docker-4c-4g-5684.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 767 12093 20 2899 14654 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:7c:c8:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.236/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fe7c:c800/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d7:05:5a:d1 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) 10/27/2026 _x86_64_ (4 CPU) 13:22:46 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 58.96 0.20 58.76 30.00 4364.01 01:26:01 PM 138.92 14.93 123.99 3219.86 12651.70 01:27:01 PM 180.10 6.22 173.89 1056.49 11542.39 01:28:01 PM 40.50 1.47 39.04 91.97 8904.67 Average: 104.62 5.70 98.92 1099.63 9365.81 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13356132 15134180 2783184 17.24 2688 1995008 1097432 6.38 138784 2290548 173920 01:26:01 PM 12909124 15000760 3230192 20.01 2688 2298956 1430552 8.32 186496 2642740 70552 01:27:01 PM 11486088 13856736 4653228 28.83 2688 2571528 2260432 13.15 255328 3968664 7484 01:28:01 PM 12438936 15061856 3700380 22.93 2688 2821840 1105732 6.43 529064 2743992 25780 Average: 12547570 14763383 3591746 22.25 2688 2421833 1473537 8.57 277418 2911486 69434 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 60.02 40.18 887.94 5.75 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 101.45 71.56 1093.66 19.86 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 18.10 18.10 4.12 4.12 0.00 0.00 0.00 0.00 01:27:01 PM eth0 394.77 287.05 3814.63 81.63 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 13.65 13.65 4.19 4.19 0.00 0.00 0.00 0.00 01:28:01 PM eth0 111.26 91.82 280.51 939.68 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.94 7.94 2.08 2.08 0.00 0.00 0.00 0.00 Average: eth0 166.87 122.65 1519.12 261.75 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) 10/27/2026 _x86_64_ (4 CPU) 13:22:46 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 8.99 0.00 0.86 0.23 0.00 89.90 01:25:01 PM 0 18.01 0.00 1.74 0.23 0.02 80.01 01:25:01 PM 1 2.41 0.00 0.30 0.23 0.00 97.06 01:25:01 PM 2 4.36 0.00 0.48 0.23 0.00 94.92 01:25:01 PM 3 11.19 0.00 0.94 0.23 0.00 87.64 01:26:01 PM all 15.65 0.00 1.65 0.89 0.01 81.79 01:26:01 PM 0 11.96 0.00 1.45 0.94 0.00 85.65 01:26:01 PM 1 20.18 0.00 2.12 0.69 0.02 76.99 01:26:01 PM 2 11.74 0.00 1.59 1.14 0.02 85.52 01:26:01 PM 3 18.71 0.00 1.45 0.82 0.02 79.00 01:27:01 PM all 49.98 0.00 2.15 0.82 0.03 47.02 01:27:01 PM 0 45.70 0.00 2.42 0.85 0.03 50.99 01:27:01 PM 1 59.75 0.00 1.19 0.32 0.03 38.71 01:27:01 PM 2 54.59 0.00 2.66 1.21 0.03 41.51 01:27:01 PM 3 39.85 0.00 2.33 0.90 0.02 56.90 01:28:01 PM all 15.47 0.00 1.60 0.28 0.00 82.64 01:28:01 PM 0 13.58 0.00 1.89 0.03 0.00 84.50 01:28:01 PM 1 23.64 0.00 1.74 0.69 0.02 73.92 01:28:01 PM 2 11.29 0.00 1.54 0.12 0.00 87.06 01:28:01 PM 3 13.38 0.00 1.22 0.30 0.00 85.10 Average: all 22.51 0.00 1.57 0.56 0.01 75.35 Average: 0 22.31 0.00 1.88 0.51 0.01 75.29 Average: 1 26.50 0.00 1.34 0.48 0.02 71.67 Average: 2 20.48 0.00 1.57 0.67 0.01 77.27 Average: 3 20.77 0.00 1.48 0.56 0.01 77.17