---> uname -a: Linux prd-centos8-docker-4c-4g-5534.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 810 12042 19 2908 14613 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:e5:8d:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.192/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fee5:8d20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9c:42:9f:d1 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/06/2026 _x86_64_ (4 CPU) 08:06:52 LINUX RESTART (4 CPU) 08:07:01 AM tps rtps wtps bread/s bwrtn/s 08:08:01 AM 373.34 84.77 288.57 11073.53 43839.95 08:09:01 AM 269.95 18.76 251.18 4037.43 16234.97 08:10:01 AM 43.44 2.42 41.02 236.05 8120.64 08:11:01 AM 54.05 3.15 50.90 140.09 8985.30 Average: 185.21 27.27 157.93 3871.80 19294.71 08:07:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:08:01 AM 13290272 15061004 2849048 17.65 2688 1987024 1204228 7.01 139364 2357892 168616 08:09:01 AM 11737000 14107824 4402320 27.28 2688 2571804 2076504 12.08 227556 3751680 231580 08:10:01 AM 11267380 13648940 4871940 30.19 2688 2582140 2588440 15.06 256432 4185668 920 08:11:01 AM 12372564 15004816 3766756 23.34 2688 2830420 1169272 6.80 540028 2800552 24308 Average: 12166804 14455646 3972516 24.61 2688 2492847 1759611 10.24 290845 3273948 106356 08:07:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM eth0 359.13 182.86 1755.95 67.26 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM eth0 393.16 289.98 4955.86 56.99 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM lo 24.91 24.91 5.05 5.05 0.00 0.00 0.00 0.00 08:10:01 AM eth0 15.96 12.41 5.40 14.58 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 4.35 4.35 1.05 1.05 0.00 0.00 0.00 0.00 08:11:01 AM eth0 78.67 84.42 283.94 930.46 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.31 7.31 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 211.76 142.44 1750.82 267.29 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/06/2026 _x86_64_ (4 CPU) 08:06:52 LINUX RESTART (4 CPU) 08:07:01 AM CPU %user %nice %system %iowait %steal %idle 08:08:01 AM all 27.67 0.00 4.61 2.49 0.09 65.14 08:08:01 AM 0 20.60 0.00 4.60 4.44 0.08 70.28 08:08:01 AM 1 27.72 0.00 4.21 1.07 0.08 66.92 08:08:01 AM 2 38.09 0.00 4.84 1.31 0.08 55.68 08:08:01 AM 3 24.29 0.00 4.79 3.13 0.10 67.68 08:09:01 AM all 41.57 0.00 3.38 1.65 0.10 53.29 08:09:01 AM 0 34.80 0.00 3.16 1.42 0.12 60.51 08:09:01 AM 1 38.34 0.00 2.01 0.95 0.10 58.61 08:09:01 AM 2 52.79 0.00 4.30 1.60 0.10 41.21 08:09:01 AM 3 40.45 0.00 4.07 2.65 0.10 52.74 08:10:01 AM all 33.63 0.00 0.87 0.24 0.07 65.19 08:10:01 AM 0 39.47 0.00 0.73 0.02 0.07 59.72 08:10:01 AM 1 19.67 0.00 1.39 0.58 0.08 78.27 08:10:01 AM 2 42.10 0.00 0.28 0.03 0.07 57.52 08:10:01 AM 3 33.26 0.00 1.09 0.32 0.07 65.27 08:11:01 AM all 21.62 0.00 2.00 0.30 0.07 76.00 08:11:01 AM 0 13.64 0.00 1.22 0.40 0.07 84.67 08:11:01 AM 1 35.99 0.00 3.06 0.57 0.07 60.32 08:11:01 AM 2 17.11 0.00 1.89 0.07 0.07 80.86 08:11:01 AM 3 19.78 0.00 1.84 0.18 0.07 78.13 Average: all 31.12 0.00 2.71 1.17 0.08 64.91 Average: 0 27.13 0.00 2.42 1.57 0.08 68.80 Average: 1 30.43 0.00 2.66 0.79 0.08 66.03 Average: 2 37.50 0.00 2.82 0.75 0.08 58.85 Average: 3 29.44 0.00 2.95 1.57 0.08 65.96