---> uname -a: Linux prd-centos8-docker-4c-4g-9061.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1016 10560 19 4185 14397 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:b0:80:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86072sec preferred_lft 86072sec inet6 fe80::f816:3eff:feb0:8017/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bf:9d:89:61 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:bfff:fe9d:8961/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/09/2026 _x86_64_ (4 CPU) 03:28:38 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:00 AM 229.66 11.25 218.41 2015.49 7689.56 03:31:01 AM 312.55 5.99 306.56 1000.43 31083.34 03:32:01 AM 1050.57 72.39 978.19 1403.63 35650.69 03:33:01 AM 137.64 61.52 76.12 3699.25 4406.52 03:34:01 AM 161.60 4.63 156.97 2298.18 9496.14 Average: 378.49 31.15 347.34 2082.12 17693.66 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:00 AM 13293436 15155264 2848096 17.64 2688 2072864 1042192 6.06 140952 2338936 242476 03:31:01 AM 9953660 12462376 6187872 38.34 2688 2702388 4436552 25.81 291184 5437904 1352 03:32:01 AM 10526600 14025808 5614932 34.79 2688 3495492 1740508 10.13 418304 4309416 81524 03:33:01 AM 10820880 14533708 5320652 32.96 2688 3704636 1342640 7.81 466444 3963972 94716 03:34:01 AM 10809272 14733008 5332260 33.03 2688 3910904 1181316 6.87 722708 3718808 24272 Average: 11080770 14182033 5060762 31.35 2688 3177257 1948642 11.34 407918 3953807 88868 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:00 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:00 AM eth0 326.86 184.36 2013.24 57.49 0.00 0.00 0.00 0.00 03:30:00 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 3.36 3.36 1.61 1.61 0.00 0.00 0.00 0.00 03:31:01 AM eth0 471.82 314.61 5455.34 46.01 0.00 0.00 0.00 0.00 03:31:01 AM docker0 2.07 1.76 1.29 0.30 0.00 0.00 0.00 0.00 03:31:01 AM vetha4e50ad 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 03:31:01 AM veth0807881 1.97 1.67 1.32 0.30 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.72 2.72 2.95 2.95 0.00 0.00 0.00 0.00 03:32:01 AM eth0 269.37 195.85 1864.60 29.95 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.18 1.22 2.78 0.14 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 118.31 91.08 1143.72 9.29 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 110.26 90.32 1986.28 49.88 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.22 1.22 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 259.50 175.40 2496.93 38.51 0.00 0.00 0.00 0.00 Average: docker0 0.65 0.60 0.82 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/09/2026 _x86_64_ (4 CPU) 03:28:38 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:00 AM all 22.15 0.00 2.36 0.93 0.09 74.48 03:30:00 AM 0 28.15 0.00 2.35 0.35 0.10 69.04 03:30:00 AM 1 23.83 0.00 3.28 2.49 0.08 70.31 03:30:00 AM 2 27.77 0.00 2.10 0.61 0.08 69.44 03:30:00 AM 3 8.81 0.00 1.68 0.27 0.08 89.15 03:31:01 AM all 40.83 0.08 3.69 1.92 0.10 53.37 03:31:01 AM 0 37.47 0.15 4.01 1.75 0.12 56.51 03:31:01 AM 1 40.15 0.05 4.13 2.03 0.10 53.54 03:31:01 AM 2 47.66 0.05 2.93 1.58 0.10 47.68 03:31:01 AM 3 38.05 0.08 3.69 2.32 0.10 55.76 03:32:01 AM all 33.20 0.00 10.07 6.60 0.11 50.01 03:32:01 AM 0 49.37 0.00 10.05 3.26 0.12 37.21 03:32:01 AM 1 25.35 0.00 10.23 8.47 0.12 55.84 03:32:01 AM 2 23.35 0.00 8.60 5.36 0.10 62.58 03:32:01 AM 3 34.67 0.00 11.42 9.34 0.10 44.47 03:33:01 AM all 45.50 0.00 2.03 0.79 0.11 51.56 03:33:01 AM 0 31.38 0.00 1.70 0.72 0.12 66.08 03:33:01 AM 1 35.00 0.00 1.89 0.90 0.10 62.10 03:33:01 AM 2 36.14 0.00 1.99 1.04 0.10 60.73 03:33:01 AM 3 79.52 0.00 2.53 0.52 0.13 17.29 03:34:01 AM all 36.77 0.00 1.96 0.58 0.08 60.61 03:34:01 AM 0 28.76 0.00 1.20 0.12 0.08 69.84 03:34:01 AM 1 53.39 0.00 2.82 0.30 0.08 43.41 03:34:01 AM 2 36.64 0.00 1.52 0.18 0.08 61.57 03:34:01 AM 3 28.24 0.00 2.29 1.72 0.08 67.65 Average: all 35.72 0.02 4.01 2.15 0.10 58.01 Average: 0 35.00 0.03 3.85 1.24 0.11 59.77 Average: 1 35.60 0.01 4.46 2.82 0.10 57.02 Average: 2 34.36 0.01 3.42 1.75 0.09 60.37 Average: 3 37.91 0.02 4.30 2.82 0.10 54.86