---> uname -a: Linux prd-centos8-docker-4c-4g-2803.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 804 12055 19 2900 14618 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:ca:50:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.165/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:feca:50ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f0:15:5e:b4 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) 06/26/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:02 PM tps rtps wtps bread/s bwrtn/s 01:25:02 PM 275.64 16.86 258.78 3888.87 16564.22 01:26:01 PM 58.47 4.69 53.78 378.04 9035.01 01:27:01 PM 54.46 3.17 51.29 140.24 9032.18 Average: 129.11 8.21 120.90 1461.80 11530.12 01:24:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:02 PM 12188488 14540168 3950832 24.48 2688 2553100 1579508 9.19 215608 3315320 246884 01:26:01 PM 11390348 13763744 4748972 29.42 2688 2573916 2535948 14.75 255780 4063400 1096 01:27:01 PM 12361404 14993076 3777916 23.41 2688 2829648 1168888 6.80 540840 2810576 31676 Average: 11980080 14432329 4159240 25.77 2688 2652221 1761448 10.25 337409 3396432 93219 01:24:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:02 PM eth0 415.30 303.03 4988.63 56.60 0.00 0.00 0.00 0.00 01:25:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 24.25 24.25 5.03 5.03 0.00 0.00 0.00 0.00 01:26:01 PM eth0 39.73 30.92 107.96 21.76 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 5.15 5.15 1.13 1.13 0.00 0.00 0.00 0.00 01:27:01 PM eth0 67.36 74.37 280.25 928.30 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 9.77 9.77 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 173.55 135.77 1784.05 338.83 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) 06/26/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:02 PM CPU %user %nice %system %iowait %steal %idle 01:25:02 PM all 33.71 0.00 3.03 1.42 0.10 61.73 01:25:02 PM 0 35.75 0.00 2.93 1.54 0.10 59.68 01:25:02 PM 1 34.73 0.00 4.16 1.65 0.12 59.34 01:25:02 PM 2 32.92 0.00 2.25 1.60 0.10 63.13 01:25:02 PM 3 31.44 0.00 2.77 0.90 0.09 64.79 01:26:01 PM all 40.94 0.00 0.94 0.35 0.08 57.69 01:26:01 PM 0 49.34 0.00 0.53 0.05 0.08 50.00 01:26:01 PM 1 26.21 0.00 1.26 0.90 0.08 71.55 01:26:01 PM 2 38.43 0.00 1.33 0.22 0.09 59.94 01:26:01 PM 3 49.75 0.00 0.64 0.22 0.08 49.30 01:27:01 PM all 19.60 0.00 1.73 0.26 0.08 78.33 01:27:01 PM 0 21.44 0.00 1.90 0.07 0.10 76.49 01:27:01 PM 1 34.60 0.00 2.35 0.08 0.10 62.86 01:27:01 PM 2 13.81 0.00 1.47 0.28 0.07 84.37 01:27:01 PM 3 8.49 0.00 1.19 0.60 0.07 89.65 Average: all 31.35 0.00 1.90 0.67 0.09 65.99 Average: 0 35.43 0.00 1.79 0.55 0.10 62.13 Average: 1 31.86 0.00 2.59 0.87 0.10 64.57 Average: 2 28.30 0.00 1.68 0.70 0.08 69.24 Average: 3 29.79 0.00 1.53 0.58 0.08 68.02