---> uname -a: Linux prd-centos8-docker-4c-4g-5080.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 765 12175 19 2821 14662 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:46:40:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.51/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86093sec preferred_lft 86093sec inet6 fe80::f816:3eff:fe46:4044/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f1:c2:c0:9d 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) 04/23/2026 _x86_64_ (4 CPU) 08:23:47 LINUX RESTART (4 CPU) 08:24:01 AM tps rtps wtps bread/s bwrtn/s 08:25:01 AM 102.33 30.87 71.46 7387.64 40457.20 08:26:01 AM 106.88 10.36 96.52 2322.41 8964.32 08:27:01 AM 224.24 10.33 213.91 1938.36 9685.47 08:28:01 AM 33.34 0.47 32.88 15.46 7764.27 Average: 116.71 13.01 103.70 2916.26 16719.21 08:24:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:25:01 AM 13377264 15055468 2764260 17.13 2688 1901612 1193348 6.94 152440 2288336 124100 08:26:01 AM 13075232 15039316 3066292 19.00 2688 2175156 1409600 8.20 154928 2538044 185260 08:27:01 AM 11647392 13941712 4494132 27.84 2688 2497816 2138720 12.44 243892 3838204 223988 08:28:01 AM 11415088 13711920 4726436 29.28 2688 2500080 2391404 13.91 255392 4056196 48 Average: 12378744 14437104 3762780 23.31 2688 2268666 1783268 10.37 201663 3180195 133349 08:24:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 AM eth0 298.27 169.78 1583.11 53.85 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 AM eth0 75.24 49.93 840.25 26.00 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 08:27:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:27:01 AM eth0 380.68 274.15 4149.81 50.37 0.00 0.00 0.00 0.00 08:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 AM lo 26.41 26.41 5.18 5.18 0.00 0.00 0.00 0.00 08:28:01 AM eth0 23.03 11.93 8.52 16.06 0.00 0.00 0.00 0.00 08:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.64 6.64 1.30 1.30 0.00 0.00 0.00 0.00 Average: eth0 194.33 126.46 1645.62 36.57 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) 04/23/2026 _x86_64_ (4 CPU) 08:23:47 LINUX RESTART (4 CPU) 08:24:01 AM CPU %user %nice %system %iowait %steal %idle 08:25:01 AM all 20.69 0.00 3.03 9.13 0.08 67.06 08:25:01 AM 0 12.14 0.00 3.89 16.58 0.10 67.28 08:25:01 AM 1 18.86 0.00 2.31 13.02 0.07 65.75 08:25:01 AM 2 29.42 0.00 2.91 3.32 0.08 64.27 08:25:01 AM 3 22.37 0.00 3.01 3.60 0.07 70.95 08:26:01 AM all 10.89 0.00 1.32 10.86 0.05 76.87 08:26:01 AM 0 10.71 0.00 1.93 17.38 0.05 69.93 08:26:01 AM 1 7.77 0.00 0.70 4.19 0.05 87.29 08:26:01 AM 2 11.82 0.00 1.25 18.74 0.05 68.14 08:26:01 AM 3 13.28 0.00 1.40 3.14 0.05 82.13 08:27:01 AM all 48.08 0.00 2.49 3.35 0.15 45.92 08:27:01 AM 0 52.80 0.00 2.44 4.01 0.13 40.62 08:27:01 AM 1 51.19 0.00 3.13 3.41 0.15 42.12 08:27:01 AM 2 49.84 0.00 1.97 2.31 0.15 45.73 08:27:01 AM 3 38.49 0.00 2.43 3.69 0.15 55.24 08:28:01 AM all 17.35 0.00 0.63 0.43 0.07 81.52 08:28:01 AM 0 22.06 0.00 0.37 0.00 0.07 77.51 08:28:01 AM 1 21.30 0.00 0.58 0.10 0.07 77.94 08:28:01 AM 2 15.66 0.00 0.70 0.32 0.08 83.24 08:28:01 AM 3 10.36 0.00 0.87 1.30 0.07 87.40 Average: all 24.25 0.00 1.87 5.94 0.09 67.85 Average: 0 24.42 0.00 2.16 9.49 0.09 63.84 Average: 1 24.77 0.00 1.68 5.18 0.08 68.29 Average: 2 26.68 0.00 1.71 6.17 0.09 65.35 Average: 3 21.11 0.00 1.93 2.93 0.08 73.95