---> uname -a: Linux prd-centos8-docker-4c-4g-10759.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 nrip_save 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 791 12060 19 2909 14632 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:2b:64:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.231/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe2b:645e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7b:91:9c:97 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) 06/11/2026 _x86_64_ (4 CPU) 06:52:55 LINUX RESTART (4 CPU) 06:54:01 AM tps rtps wtps bread/s bwrtn/s 06:55:01 AM 283.19 16.34 266.86 3808.39 16984.66 06:56:01 AM 62.17 4.63 57.54 371.80 9025.51 06:57:01 AM 51.52 0.87 50.66 67.19 8912.38 Average: 132.32 7.28 125.04 1416.19 11641.74 06:54:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:55:01 AM 12283936 14643600 3855384 23.89 2688 2561260 1439136 8.37 205048 3234220 247704 06:56:01 AM 11140048 13522288 4999272 30.98 2688 2582892 2615596 15.22 251188 4320256 1112 06:57:01 AM 12344472 14975524 3794848 23.51 2688 2829216 1152440 6.70 534496 2835072 24272 Average: 11922819 14380471 4216501 26.13 2688 2657789 1735724 10.10 330244 3463183 91029 06:54:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 AM eth0 448.75 308.14 5003.45 58.97 0.00 0.00 0.00 0.00 06:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 AM lo 23.20 23.20 4.89 4.89 0.00 0.00 0.00 0.00 06:56:01 AM eth0 43.11 24.25 103.72 18.73 0.00 0.00 0.00 0.00 06:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 AM lo 5.22 5.22 1.15 1.15 0.00 0.00 0.00 0.00 06:57:01 AM eth0 62.11 55.71 283.66 29.26 0.00 0.00 0.00 0.00 06:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.47 9.47 2.01 2.01 0.00 0.00 0.00 0.00 Average: eth0 184.70 129.40 1797.48 35.65 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) 06/11/2026 _x86_64_ (4 CPU) 06:52:55 LINUX RESTART (4 CPU) 06:54:01 AM CPU %user %nice %system %iowait %steal %idle 06:55:01 AM all 32.62 0.00 3.09 2.45 0.09 61.75 06:55:01 AM 0 26.67 0.00 2.00 0.98 0.10 70.24 06:55:01 AM 1 40.33 0.00 4.08 3.88 0.10 51.60 06:55:01 AM 2 36.42 0.00 4.25 3.45 0.10 55.79 06:55:01 AM 3 27.08 0.00 2.03 1.51 0.07 69.32 06:56:01 AM all 43.33 0.00 0.99 0.53 0.10 55.05 06:56:01 AM 0 52.44 0.00 0.57 0.02 0.08 46.89 06:56:01 AM 1 52.49 0.00 0.68 0.23 0.10 46.49 06:56:01 AM 2 38.73 0.00 1.15 0.27 0.10 59.75 06:56:01 AM 3 29.61 0.00 1.55 1.62 0.10 67.11 06:57:01 AM all 20.60 0.00 1.85 0.33 0.06 77.15 06:57:01 AM 0 34.06 0.00 1.77 0.12 0.08 63.97 06:57:01 AM 1 13.33 0.00 2.05 0.80 0.05 83.76 06:57:01 AM 2 22.49 0.00 1.45 0.30 0.05 75.71 06:57:01 AM 3 12.52 0.00 2.14 0.10 0.05 85.18 Average: all 32.19 0.00 1.98 1.11 0.08 64.65 Average: 0 37.72 0.00 1.45 0.37 0.09 60.37 Average: 1 35.38 0.00 2.27 1.64 0.08 60.62 Average: 2 32.54 0.00 2.28 1.34 0.08 63.75 Average: 3 23.07 0.00 1.91 1.08 0.07 73.87