---> uname -a: Linux prd-centos8-docker-4c-4g-5343.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 751 12104 19 2904 14671 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:b9:06:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.61/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:feb9:6b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2e:e7:f8:26 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) 08/10/2026 _x86_64_ (4 CPU) 01:28:21 LINUX RESTART (4 CPU) 01:29:03 AM tps rtps wtps bread/s bwrtn/s 01:30:01 AM 131.44 15.68 115.75 3349.60 9190.43 01:31:01 AM 247.07 6.26 240.80 1056.45 20539.64 01:32:01 AM 29.53 0.90 28.63 68.12 865.06 Average: 136.07 7.53 128.54 1470.60 10210.22 01:29:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 AM 12868288 14947400 3271032 20.27 2688 2286824 1344724 7.82 153948 2731360 297168 01:31:01 AM 11299492 13675652 4839828 29.99 2688 2576976 2467056 14.35 251316 4160708 8788 01:32:01 AM 12449752 15077212 3689568 22.86 2688 2826304 1100080 6.40 523516 2740664 263788 Average: 12205844 14566755 3933476 24.37 2688 2563368 1637287 9.53 309593 3210911 189915 01:29:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM eth0 143.86 100.64 1971.53 18.84 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 12.68 12.68 3.51 3.51 0.00 0.00 0.00 0.00 01:31:01 AM eth0 352.12 254.32 4063.71 57.12 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 AM lo 16.56 16.56 2.59 2.59 0.00 0.00 0.00 0.00 01:32:01 AM eth0 63.66 51.29 278.17 28.60 0.00 0.00 0.00 0.00 01:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.86 9.86 2.06 2.06 0.00 0.00 0.00 0.00 Average: eth0 187.03 135.81 2106.07 35.03 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) 08/10/2026 _x86_64_ (4 CPU) 01:28:21 LINUX RESTART (4 CPU) 01:29:03 AM CPU %user %nice %system %iowait %steal %idle 01:30:01 AM all 22.89 0.00 2.18 0.57 0.09 74.28 01:30:01 AM 0 20.11 0.00 2.34 0.19 0.10 77.26 01:30:01 AM 1 27.49 0.00 2.75 0.67 0.09 69.00 01:30:01 AM 2 12.57 0.00 1.35 1.00 0.07 85.01 01:30:01 AM 3 31.40 0.00 2.28 0.40 0.09 65.84 01:31:01 AM all 55.09 0.00 2.41 1.25 0.11 41.14 01:31:01 AM 0 64.85 0.00 0.97 0.62 0.10 33.47 01:31:01 AM 1 64.31 0.00 2.17 1.15 0.10 32.26 01:31:01 AM 2 41.68 0.00 3.50 1.86 0.12 52.85 01:31:01 AM 3 49.49 0.00 3.01 1.37 0.12 46.01 01:32:01 AM all 15.62 0.00 1.30 0.11 0.07 82.90 01:32:01 AM 0 23.03 0.00 1.80 0.03 0.08 75.05 01:32:01 AM 1 16.28 0.00 0.80 0.02 0.07 82.84 01:32:01 AM 2 13.88 0.00 1.50 0.30 0.07 84.25 01:32:01 AM 3 9.29 0.00 1.09 0.08 0.07 89.48 Average: all 31.28 0.00 1.96 0.64 0.09 66.02 Average: 0 36.16 0.00 1.70 0.28 0.10 61.76 Average: 1 36.12 0.00 1.90 0.61 0.08 61.29 Average: 2 22.81 0.00 2.13 1.05 0.08 73.92 Average: 3 30.03 0.00 2.12 0.62 0.09 67.14