---> uname -a: Linux prd-centos8-docker-4c-4g-1341.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 804 12132 19 2825 14623 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:84:95:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.180/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe84:95d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:ef:e3:9b 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) 05/19/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 178.70 15.20 163.51 3150.14 9466.06 01:25:01 PM 193.35 6.25 187.10 1079.91 16377.41 01:26:01 PM 33.79 2.97 30.83 104.92 720.83 Average: 135.29 8.14 127.15 1444.97 8855.18 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12895320 14919128 3246204 20.11 2688 2232484 1378288 8.02 186796 2666832 193056 01:25:01 PM 11464644 13762888 4676880 28.97 2688 2501536 2374584 13.81 254804 4002528 2360 01:26:01 PM 12426320 14974392 3715204 23.02 2688 2749528 1196160 6.96 350748 2948372 263128 Average: 12262095 14552136 3879429 24.03 2688 2494516 1649677 9.60 264116 3205911 152848 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 164.82 125.90 1965.84 29.59 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 12.53 12.53 3.50 3.50 0.00 0.00 0.00 0.00 01:25:01 PM eth0 327.61 233.41 3744.31 45.12 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 01:26:01 PM lo 16.25 16.25 2.57 2.57 0.00 0.00 0.00 0.00 01:26:01 PM eth0 46.59 42.56 267.08 19.20 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 Average: lo 9.59 9.59 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 179.68 133.96 1992.51 31.30 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) 05/19/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.04 0.00 2.46 1.55 0.09 70.86 01:24:01 PM 0 16.29 0.00 2.65 1.98 0.10 78.97 01:24:01 PM 1 32.85 0.00 2.53 1.61 0.10 62.91 01:24:01 PM 2 25.03 0.00 2.41 0.79 0.08 71.68 01:24:01 PM 3 26.02 0.00 2.24 1.81 0.08 69.85 01:25:01 PM all 51.76 0.00 1.96 1.58 0.10 44.60 01:25:01 PM 0 52.81 0.00 1.90 1.04 0.10 44.15 01:25:01 PM 1 49.56 0.00 2.54 2.66 0.10 45.14 01:25:01 PM 2 42.04 0.00 1.94 1.44 0.10 54.48 01:25:01 PM 3 62.60 0.00 1.44 1.20 0.10 34.66 01:26:01 PM all 14.91 0.00 1.15 0.33 0.09 83.53 01:26:01 PM 0 13.56 0.00 0.50 0.08 0.10 85.75 01:26:01 PM 1 19.72 0.00 1.22 0.72 0.08 78.26 01:26:01 PM 2 11.40 0.00 1.50 0.23 0.08 86.78 01:26:01 PM 3 14.95 0.00 1.37 0.28 0.08 83.31 Average: all 30.57 0.00 1.85 1.15 0.09 66.33 Average: 0 27.54 0.00 1.69 1.03 0.10 69.64 Average: 1 34.04 0.00 2.10 1.66 0.09 62.11 Average: 2 26.16 0.00 1.95 0.82 0.09 70.98 Average: 3 34.53 0.00 1.68 1.10 0.09 62.61