---> uname -a: Linux prd-centos8-docker-4c-4g-2954.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1684 10073 19 4003 13727 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:97:33:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.32/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe97:3323/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:00:02:c9:85 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:ff:fe02:c985/64 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) 05/23/2026 _x86_64_ (4 CPU) 09:27:26 LINUX RESTART (4 CPU) 09:28:02 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 157.39 2.15 155.24 329.11 10050.08 09:30:01 AM 260.45 5.58 254.87 977.91 31041.40 09:31:01 AM 1076.09 59.67 1016.42 867.41 36843.53 09:32:01 AM 124.71 60.45 64.26 1311.16 3869.13 09:33:01 AM 28.11 0.43 27.68 56.26 2644.99 Average: 330.01 25.74 304.27 709.68 16915.64 09:28:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12757192 14823244 3382128 20.96 2688 2272808 1529684 8.90 156720 2833060 313436 09:30:01 AM 9509300 12165204 6630020 41.08 2688 2846536 4617492 26.86 292576 5862032 1368 09:31:01 AM 10263268 13894512 5876052 36.41 2688 3621568 1866244 10.86 409368 4562628 59788 09:32:01 AM 11009472 14734376 5129848 31.78 2688 3710640 1146080 6.67 442256 3790328 46480 09:33:01 AM 10315696 14053040 5823624 36.08 2688 3719724 1821628 10.60 707696 4214504 24304 Average: 10770986 13934075 5368334 33.26 2688 3234255 2196226 12.78 401723 4252510 89075 09:28:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 182.06 133.01 3018.75 26.20 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 3.68 3.68 1.58 1.58 0.00 0.00 0.00 0.00 09:30:01 AM eth0 402.40 272.71 5172.12 37.65 0.00 0.00 0.00 0.00 09:30:01 AM docker0 2.15 1.97 1.30 0.32 0.00 0.00 0.00 0.00 09:30:01 AM veth80d98c8 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 09:30:01 AM vetha3aa22b 2.02 1.85 1.33 0.31 0.00 0.00 0.00 0.00 09:31:01 AM lo 2.58 2.58 3.32 3.32 0.00 0.00 0.00 0.00 09:31:01 AM eth0 200.37 146.99 1856.23 28.27 0.00 0.00 0.00 0.00 09:31:01 AM docker0 1.40 1.40 2.79 0.15 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 149.38 97.02 376.33 45.98 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 65.57 42.39 46.11 142.42 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.98 0.98 0.00 0.00 0.00 0.00 Average: eth0 200.03 138.45 2090.96 56.20 0.00 0.00 0.00 0.00 Average: docker0 0.71 0.68 0.82 0.09 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) 05/23/2026 _x86_64_ (4 CPU) 09:27:26 LINUX RESTART (4 CPU) 09:28:02 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 24.20 0.00 2.19 0.83 0.11 72.68 09:29:01 AM 0 34.56 0.00 3.15 1.31 0.12 60.86 09:29:01 AM 1 15.80 0.00 1.72 0.48 0.10 81.90 09:29:01 AM 2 14.78 0.00 1.80 0.89 0.10 82.43 09:29:01 AM 3 31.63 0.00 2.08 0.66 0.10 65.53 09:30:01 AM all 39.32 0.09 3.49 3.00 0.13 53.96 09:30:01 AM 0 37.46 0.03 3.25 4.28 0.15 54.82 09:30:01 AM 1 39.51 0.12 3.83 2.87 0.13 53.55 09:30:01 AM 2 42.49 0.15 3.66 1.65 0.13 51.91 09:30:01 AM 3 37.81 0.05 3.23 3.22 0.12 55.57 09:31:01 AM all 30.59 0.00 10.54 9.87 0.14 48.87 09:31:01 AM 0 40.78 0.00 12.25 7.50 0.14 39.33 09:31:01 AM 1 26.90 0.00 11.53 13.13 0.14 48.29 09:31:01 AM 2 22.42 0.00 9.57 11.79 0.15 56.07 09:31:01 AM 3 32.18 0.00 8.80 7.07 0.14 51.81 09:32:01 AM all 42.89 0.00 2.37 0.81 0.15 53.78 09:32:01 AM 0 60.68 0.00 2.55 0.55 0.17 36.05 09:32:01 AM 1 32.26 0.00 2.09 1.22 0.13 64.29 09:32:01 AM 2 48.69 0.00 2.19 0.57 0.15 48.39 09:32:01 AM 3 29.95 0.00 2.65 0.90 0.13 66.37 09:33:01 AM all 27.06 0.00 1.52 0.18 0.08 71.16 09:33:01 AM 0 30.04 0.00 1.75 0.27 0.10 67.84 09:33:01 AM 1 10.12 0.00 0.70 0.12 0.07 88.99 09:33:01 AM 2 31.26 0.00 1.45 0.23 0.08 66.97 09:33:01 AM 3 36.82 0.00 2.17 0.08 0.08 60.84 Average: all 32.84 0.02 3.99 2.91 0.12 60.12 Average: 0 40.72 0.01 4.56 2.76 0.13 51.82 Average: 1 24.91 0.02 3.94 3.52 0.11 67.50 Average: 2 32.03 0.03 3.71 2.98 0.13 61.12 Average: 3 33.69 0.01 3.77 2.37 0.11 60.05