---> uname -a: Linux prd-centos8-docker-4c-4g-12895.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 749 12098 19 2913 14674 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:13:b0:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.204/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe13:b0d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:75:f1: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) 07/27/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 266.69 16.41 250.28 3914.83 16384.89 01:26:02 PM 58.85 4.77 54.08 361.35 8869.86 01:27:01 PM 35.16 1.66 33.50 124.97 818.10 Average: 120.71 7.65 113.06 1474.54 8734.92 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12386880 14751956 3752440 23.25 2688 2566508 1383288 8.05 208464 3124952 245616 01:26:02 PM 11393880 13781216 4745440 29.40 2688 2587808 2357436 13.72 255564 4059812 1084 01:27:01 PM 12380068 15017604 3759252 23.29 2688 2835600 1148600 6.68 531488 2801500 261148 Average: 12053609 14516925 4085711 25.32 2688 2663305 1629775 9.48 331839 3328755 169283 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 437.24 293.10 4936.86 62.67 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:02 PM lo 23.24 23.24 4.87 4.87 0.00 0.00 0.00 0.00 01:26:02 PM eth0 37.30 25.76 105.53 19.29 0.00 0.00 0.00 0.00 01:26:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 5.49 5.49 1.21 1.21 0.00 0.00 0.00 0.00 01:27:01 PM eth0 73.64 77.47 285.12 948.94 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.60 9.60 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 183.34 132.41 1784.16 340.25 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) 07/27/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 32.55 0.00 3.19 1.49 0.14 62.62 01:25:01 PM 0 26.71 0.00 2.95 0.95 0.13 69.25 01:25:01 PM 1 38.59 0.00 4.75 2.61 0.17 53.87 01:25:01 PM 2 33.58 0.00 2.34 1.39 0.13 62.55 01:25:01 PM 3 31.34 0.00 2.73 1.02 0.13 64.78 01:26:02 PM all 47.51 0.00 1.17 0.24 0.15 50.93 01:26:02 PM 0 58.44 0.00 0.57 0.02 0.15 40.82 01:26:02 PM 1 40.91 0.00 1.27 0.35 0.13 57.33 01:26:02 PM 2 53.81 0.00 0.58 0.07 0.13 45.40 01:26:02 PM 3 36.84 0.00 2.27 0.54 0.17 60.18 01:27:01 PM all 19.72 0.00 1.70 0.12 0.08 78.37 01:27:01 PM 0 16.75 0.00 1.51 0.05 0.08 81.60 01:27:01 PM 1 31.96 0.00 2.06 0.07 0.10 65.82 01:27:01 PM 2 16.87 0.00 1.85 0.31 0.09 80.88 01:27:01 PM 3 13.31 0.00 1.39 0.05 0.07 85.18 Average: all 33.34 0.00 2.03 0.62 0.12 63.89 Average: 0 34.06 0.00 1.68 0.34 0.12 63.80 Average: 1 37.18 0.00 2.70 1.01 0.13 58.97 Average: 2 34.87 0.00 1.59 0.59 0.12 62.83 Average: 3 27.24 0.00 2.14 0.54 0.12 69.97