---> uname -a: Linux prd-centos8-docker-4c-4g-3419.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 802 11906 19 3054 14614 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:44:c7:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.102/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85966sec preferred_lft 85966sec inet6 fe80::f816:3eff:fe44:c787/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:43:af:89:e9 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 inet6 fe80::42:43ff:feaf:89e9/64 scope link 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) 01/27/2026 _x86_64_ (4 CPU) 15:17:14 LINUX RESTART (4 CPU) 03:18:01 PM tps rtps wtps bread/s bwrtn/s 03:19:01 PM 192.78 18.31 174.47 3190.67 10874.32 03:20:01 PM 152.23 3.30 148.93 786.54 9211.46 03:21:01 PM 30.41 0.05 30.36 1.07 7589.84 03:22:01 PM 4.07 0.00 4.07 0.00 349.45 03:23:01 PM 81.61 3.47 78.14 587.80 15248.43 03:24:01 PM 25.04 0.48 24.56 64.65 4196.27 Average: 81.03 4.27 76.76 771.74 7911.63 03:18:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:19:01 PM 12763372 14771676 3378152 20.93 2688 2215556 1387388 8.07 162920 2824180 171348 03:20:01 PM 11546460 13860696 4595064 28.47 2688 2516096 2044160 11.89 246100 3928688 213832 03:21:01 PM 10010480 12333740 6131044 37.98 2688 2524288 3383780 19.68 263616 5439532 3764 03:22:01 PM 9977328 12305780 6164196 38.19 2688 2529296 3415388 19.87 263808 5472180 1400 03:23:01 PM 7008380 9889812 9133144 56.58 2688 3071312 12586420 73.22 382864 8238520 103580 03:24:01 PM 12226932 14999292 3914592 24.25 2688 2962352 1179692 6.86 583872 2869700 26692 Average: 10588825 13026833 5552699 34.40 2688 2636483 3999471 23.27 317197 4795467 86769 03:18:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 PM eth0 159.61 134.93 1885.93 29.15 0.00 0.00 0.00 0.00 03:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 PM eth0 299.32 226.08 4227.10 34.11 0.00 0.00 0.00 0.00 03:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 PM eth0 22.58 20.13 4.56 23.85 0.00 0.00 0.00 0.00 03:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 PM eth0 17.08 15.84 3.52 22.50 0.00 0.00 0.00 0.00 03:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 PM lo 14.15 14.15 26.97 26.97 0.00 0.00 0.00 0.00 03:23:01 PM eth0 216.24 121.19 2830.87 12.34 0.00 0.00 0.00 0.00 03:23:01 PM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 03:23:01 PM veth00c7e6c 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 03:23:01 PM br-130fea554b11 5.40 5.23 25.58 0.90 0.00 0.00 0.00 0.00 03:23:01 PM veth7fc4a70 5.61 5.20 25.65 0.87 0.00 0.00 0.00 0.00 03:23:01 PM vethf771e95 10.35 10.88 26.51 26.55 0.00 0.00 0.00 0.00 03:24:01 PM lo 2.67 2.67 0.17 0.17 0.00 0.00 0.00 0.00 03:24:01 PM eth0 21.41 15.86 13.83 19.16 0.00 0.00 0.00 0.00 03:24:01 PM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.80 2.80 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 122.72 89.01 1494.48 23.52 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 01/27/2026 _x86_64_ (4 CPU) 15:17:14 LINUX RESTART (4 CPU) 03:18:01 PM CPU %user %nice %system %iowait %steal %idle 03:19:01 PM all 25.40 0.00 2.49 1.33 0.10 70.68 03:19:01 PM 0 21.57 0.00 1.62 0.74 0.10 75.97 03:19:01 PM 1 28.91 0.00 2.12 1.10 0.12 67.75 03:19:01 PM 2 32.05 0.00 3.28 2.13 0.10 62.44 03:19:01 PM 3 19.07 0.00 2.93 1.36 0.10 76.54 03:20:01 PM all 44.16 0.00 2.39 0.71 0.11 52.63 03:20:01 PM 0 37.25 0.00 2.45 1.17 0.12 59.01 03:20:01 PM 1 49.57 0.00 3.12 1.09 0.10 46.12 03:20:01 PM 2 45.46 0.00 1.95 0.40 0.10 52.08 03:20:01 PM 3 44.35 0.00 2.02 0.20 0.12 53.31 03:21:01 PM all 51.75 0.00 0.94 0.38 0.12 46.81 03:21:01 PM 0 47.42 0.00 0.63 0.20 0.13 51.61 03:21:01 PM 1 53.31 0.00 1.22 0.00 0.10 45.37 03:21:01 PM 2 50.03 0.00 0.55 1.25 0.13 48.04 03:21:01 PM 3 56.26 0.00 1.35 0.07 0.10 42.22 03:22:01 PM all 14.50 0.00 0.35 0.00 0.07 85.08 03:22:01 PM 0 11.60 0.00 0.30 0.00 0.07 88.04 03:22:01 PM 1 16.55 0.00 0.28 0.00 0.08 83.09 03:22:01 PM 2 20.52 0.00 0.43 0.00 0.07 78.97 03:22:01 PM 3 9.31 0.00 0.37 0.02 0.07 90.24 03:23:01 PM all 39.75 0.00 3.55 1.77 0.13 54.80 03:23:01 PM 0 38.47 0.00 4.99 0.72 0.13 55.68 03:23:01 PM 1 39.49 0.00 2.89 2.40 0.13 55.08 03:23:01 PM 2 47.92 0.00 3.32 1.25 0.15 47.36 03:23:01 PM 3 33.14 0.00 2.99 2.69 0.12 61.06 03:24:01 PM all 21.28 0.00 1.40 0.62 0.09 76.61 03:24:01 PM 0 28.57 0.00 1.30 0.08 0.10 69.94 03:24:01 PM 1 18.70 0.00 1.69 1.15 0.08 78.38 03:24:01 PM 2 20.49 0.00 0.99 1.14 0.10 77.28 03:24:01 PM 3 17.35 0.00 1.62 0.10 0.08 80.84 Average: all 32.80 0.00 1.85 0.80 0.10 64.44 Average: 0 30.81 0.00 1.88 0.49 0.11 66.71 Average: 1 34.41 0.00 1.89 0.96 0.10 62.64 Average: 2 36.06 0.00 1.75 1.03 0.11 61.05 Average: 3 29.91 0.00 1.88 0.74 0.10 67.37