---> uname -a: Linux prd-centos8-docker-4c-4g-599.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 837 11797 19 3128 14580 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:68:81:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.19/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86008sec preferred_lft 86008sec inet6 fe80::f816:3eff:fe68:8122/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:27:c0:db:6d 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::42:27ff:fec0:db6d/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) 05/18/2026 _x86_64_ (4 CPU) 07:15:35 LINUX RESTART (4 CPU) 07:16:02 AM tps rtps wtps bread/s bwrtn/s 07:17:01 AM 237.00 20.84 216.16 4078.48 9235.70 07:18:01 AM 200.70 7.28 193.42 1045.30 13428.01 07:19:01 AM 33.21 0.05 33.16 1.07 7647.16 07:20:01 AM 4.55 1.77 2.78 51.03 293.65 07:21:01 AM 86.42 1.72 84.71 542.22 18459.08 07:22:01 AM 30.46 0.45 30.01 56.38 1015.44 Average: 98.34 5.31 93.03 953.72 8343.89 07:16:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:17:01 AM 12765016 14799060 3376508 20.92 2688 2242732 1403084 8.16 160108 2836124 250884 07:18:01 AM 10825276 13206436 5316248 32.94 2688 2582940 2538364 14.77 257084 4636676 214164 07:19:01 AM 10352500 12738640 5789024 35.86 2688 2587708 2842020 16.53 262628 5102368 1352 07:20:01 AM 9484836 11881432 6656688 41.24 2688 2597856 3692816 21.48 266540 5962884 2680 07:21:01 AM 8839388 11669096 7302136 45.24 2688 3020428 4215192 24.52 404988 6422304 116 07:22:01 AM 12096216 14949936 4045308 25.06 2688 3043396 1174316 6.83 596824 2989592 33164 Average: 10727205 13207433 5414319 33.54 2688 2679177 2644299 15.38 324695 4658325 83727 07:16:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 AM eth0 169.77 122.01 2068.91 37.44 0.00 0.00 0.00 0.00 07:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 AM eth0 330.96 259.44 4700.79 34.46 0.00 0.00 0.00 0.00 07:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 AM eth0 19.18 17.98 3.70 30.11 0.00 0.00 0.00 0.00 07:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 AM eth0 21.72 20.45 5.05 17.89 0.00 0.00 0.00 0.00 07:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 AM lo 15.74 15.74 27.04 27.04 0.00 0.00 0.00 0.00 07:21:01 AM eth0 215.96 125.02 2829.56 11.05 0.00 0.00 0.00 0.00 07:21:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 07:21:01 AM veth5d0a76c 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 07:21:01 AM br-47a395144bf5 5.88 5.68 25.62 0.94 0.00 0.00 0.00 0.00 07:22:01 AM lo 1.33 1.33 0.09 0.09 0.00 0.00 0.00 0.00 07:22:01 AM eth0 29.66 23.14 24.13 11.47 0.00 0.00 0.00 0.00 07:22:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.85 2.85 4.53 4.53 0.00 0.00 0.00 0.00 Average: eth0 131.11 94.61 1604.19 23.70 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 05/18/2026 _x86_64_ (4 CPU) 07:15:35 LINUX RESTART (4 CPU) 07:16:02 AM CPU %user %nice %system %iowait %steal %idle 07:17:01 AM all 25.28 0.00 2.68 1.14 0.09 70.81 07:17:01 AM 0 19.76 0.00 2.02 0.53 0.10 77.59 07:17:01 AM 1 33.31 0.00 3.43 0.99 0.07 62.21 07:17:01 AM 2 29.51 0.00 2.60 0.49 0.09 67.31 07:17:01 AM 3 18.53 0.00 2.68 2.58 0.09 76.13 07:18:01 AM all 62.05 0.00 2.84 1.11 0.08 33.92 07:18:01 AM 0 59.99 0.00 2.71 0.72 0.08 36.51 07:18:01 AM 1 62.93 0.00 3.79 1.45 0.08 31.73 07:18:01 AM 2 64.52 0.00 2.72 1.64 0.08 31.04 07:18:01 AM 3 60.76 0.00 2.12 0.62 0.08 36.41 07:19:01 AM all 26.96 0.00 0.50 0.19 0.07 72.28 07:19:01 AM 0 27.75 0.00 0.28 0.00 0.08 71.88 07:19:01 AM 1 29.99 0.00 0.65 0.20 0.07 69.09 07:19:01 AM 2 29.44 0.00 0.35 0.00 0.07 70.14 07:19:01 AM 3 20.64 0.00 0.70 0.57 0.07 78.02 07:20:01 AM all 33.93 0.00 0.68 0.03 0.07 65.29 07:20:01 AM 0 32.25 0.00 0.78 0.00 0.08 66.88 07:20:01 AM 1 23.64 0.00 0.33 0.02 0.07 75.94 07:20:01 AM 2 34.21 0.00 0.85 0.10 0.08 64.76 07:20:01 AM 3 45.60 0.00 0.77 0.00 0.05 53.58 07:21:01 AM all 29.60 0.00 3.73 0.55 0.09 66.03 07:21:01 AM 0 27.49 0.00 4.86 0.89 0.08 66.68 07:21:01 AM 1 26.60 0.00 3.59 0.18 0.08 69.54 07:21:01 AM 2 33.68 0.00 2.88 0.66 0.08 62.70 07:21:01 AM 3 30.64 0.00 3.60 0.47 0.10 65.19 07:22:01 AM all 26.81 0.00 1.64 0.10 0.08 71.38 07:22:01 AM 0 34.17 0.00 1.75 0.08 0.07 63.93 07:22:01 AM 1 27.73 0.00 1.70 0.13 0.08 70.35 07:22:01 AM 2 19.42 0.00 1.82 0.10 0.08 78.58 07:22:01 AM 3 25.89 0.00 1.29 0.08 0.07 72.67 Average: all 34.13 0.00 2.01 0.52 0.08 63.26 Average: 0 33.61 0.00 2.06 0.37 0.08 63.87 Average: 1 34.04 0.00 2.25 0.49 0.08 63.15 Average: 2 35.14 0.00 1.87 0.50 0.08 62.41 Average: 3 33.74 0.00 1.85 0.71 0.08 63.62