---> uname -a: Linux prd-centos8-docker-4c-4g-10168.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 801 12139 19 2822 14626 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:90:5f:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.136/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fe90:5f13/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:72:af:1b 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/13/2026 _x86_64_ (4 CPU) 08:22:04 LINUX RESTART (4 CPU) 08:23:01 AM tps rtps wtps bread/s bwrtn/s 08:24:01 AM 282.51 18.59 263.92 3958.42 15106.35 08:25:01 AM 52.53 2.47 50.07 235.65 8456.28 08:26:01 AM 61.22 3.18 58.04 140.64 9665.19 Average: 132.10 8.08 124.02 1445.12 11076.24 08:23:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:24:01 AM 11941628 14226892 4199904 26.02 2688 2488804 1917868 11.16 222592 3565720 232416 08:25:01 AM 11394672 13690628 4746860 29.41 2688 2499148 2413476 14.04 254476 4075236 912 08:26:01 AM 12429704 14976612 3711828 23.00 2688 2747508 1181392 6.87 532552 2764180 8336 Average: 11922001 14298044 4219531 26.14 2688 2578487 1837579 10.69 336540 3468379 80555 08:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 AM eth0 396.20 295.20 4975.95 58.30 0.00 0.00 0.00 0.00 08:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 AM lo 24.53 24.53 5.03 5.03 0.00 0.00 0.00 0.00 08:25:01 AM eth0 32.71 18.29 15.15 21.55 0.00 0.00 0.00 0.00 08:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 AM lo 4.15 4.15 1.03 1.03 0.00 0.00 0.00 0.00 08:26:01 AM eth0 83.17 83.20 295.31 933.63 0.00 0.00 0.00 0.00 08:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.56 9.56 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 170.71 132.24 1762.39 337.78 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/13/2026 _x86_64_ (4 CPU) 08:22:04 LINUX RESTART (4 CPU) 08:23:01 AM CPU %user %nice %system %iowait %steal %idle 08:24:01 AM all 40.20 0.00 3.10 1.48 0.12 55.10 08:24:01 AM 0 38.65 0.00 2.89 1.74 0.12 56.61 08:24:01 AM 1 47.62 0.00 4.62 2.04 0.12 45.60 08:24:01 AM 2 37.76 0.00 2.19 0.67 0.12 59.26 08:24:01 AM 3 36.75 0.00 2.72 1.48 0.12 58.94 08:25:01 AM all 32.56 0.00 0.85 0.30 0.08 66.21 08:25:01 AM 0 40.13 0.00 0.40 0.00 0.07 59.40 08:25:01 AM 1 29.52 0.00 1.29 0.35 0.08 68.76 08:25:01 AM 2 40.70 0.00 0.27 0.00 0.07 58.97 08:25:01 AM 3 19.87 0.00 1.44 0.85 0.10 77.74 08:26:01 AM all 22.78 0.00 1.99 0.33 0.07 74.83 08:26:01 AM 0 12.13 0.00 1.67 0.53 0.08 85.58 08:26:01 AM 1 23.20 0.00 1.89 0.17 0.07 74.68 08:26:01 AM 2 41.42 0.00 2.21 0.20 0.08 56.09 08:26:01 AM 3 14.37 0.00 2.21 0.40 0.05 82.97 Average: all 31.84 0.00 1.98 0.70 0.09 65.39 Average: 0 30.30 0.00 1.65 0.76 0.09 67.20 Average: 1 33.44 0.00 2.60 0.85 0.09 63.03 Average: 2 39.96 0.00 1.55 0.29 0.09 58.11 Average: 3 23.65 0.00 2.12 0.91 0.09 73.23