---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-4681 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.02 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 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 15G 63G 19% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 633 7604 4 7750 15012 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:28:47:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.250/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83113sec preferred_lft 83113sec inet6 fe80::f816:3eff:fe28:4746/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:1e:b0:eb:f1:e0 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 5.15.0-194-generic (prd-ubuntu2204-docker-v1-8c-8g-4681) 10/24/26 _x86_64_ (4 CPU) 04:58:30 LINUX RESTART (4 CPU) 05:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:05 98.60 4.82 91.82 1.97 233.71 13307.23 12480.08 05:20:05 271.37 7.65 258.20 5.53 392.44 10485.56 37206.51 05:30:01 2.00 0.01 2.00 0.00 0.35 22.88 0.00 05:40:05 1.97 0.00 1.97 0.00 0.00 23.72 0.00 05:50:05 112.99 1.66 106.89 4.44 128.91 6747.06 12100.32 Average: 97.39 2.83 92.17 2.39 151.17 6125.01 12357.43 05:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:05 8239024 13141036 2811660 17.17 147604 4846836 3920168 22.50 793376 6885024 6808 05:20:05 7688528 13887296 2059132 12.58 184268 6055100 2308484 13.25 897276 7261304 236 05:30:01 7686816 13886464 2060496 12.58 184336 6055340 2310240 13.26 898356 7263448 176 05:40:05 7683288 13883000 2063948 12.61 184364 6055352 2310544 13.26 898472 7268628 228 05:50:05 6423876 13905736 2035592 12.43 193592 7279724 2401852 13.79 1034284 8366852 51196 Average: 7544306 13740706 2206166 13.47 178833 6058470 2650258 15.21 904353 7409051 11729 05:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:05 lo 39.14 39.14 10.69 10.69 0.00 0.00 0.00 0.00 05:10:05 ens3 561.91 419.58 1408.84 183.15 0.00 0.00 0.00 0.00 05:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:05 lo 55.60 55.60 15.98 15.98 0.00 0.00 0.00 0.00 05:20:05 ens3 545.90 345.91 490.23 174.06 0.00 0.00 0.00 0.00 05:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 05:30:01 ens3 1.29 0.95 0.77 0.94 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:05 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 05:40:05 ens3 0.87 0.85 0.31 1.43 0.00 0.00 0.00 0.00 05:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:05 lo 92.84 92.84 60.78 60.78 0.00 0.00 0.00 0.00 05:50:05 ens3 145.55 107.73 550.79 53.02 0.00 0.00 0.00 0.00 05:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 37.56 37.56 17.49 17.49 0.00 0.00 0.00 0.00 Average: ens3 251.44 175.27 491.17 82.63 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 5.15.0-194-generic (prd-ubuntu2204-docker-v1-8c-8g-4681) 10/24/26 _x86_64_ (4 CPU) 04:58:30 LINUX RESTART (4 CPU) 05:00:01 CPU %user %nice %system %iowait %steal %idle 05:10:05 all 44.57 0.00 3.13 0.76 0.01 51.52 05:10:05 0 42.83 0.00 3.14 0.58 0.03 53.41 05:10:05 1 44.25 0.00 3.08 0.72 0.01 51.94 05:10:05 2 44.71 0.00 2.94 0.67 0.01 51.67 05:10:05 3 46.51 0.00 3.34 1.07 0.01 49.07 05:20:05 all 40.45 0.00 2.81 2.35 0.01 54.39 05:20:05 0 41.23 0.00 2.60 2.75 0.01 53.41 05:20:05 1 41.04 0.00 2.91 1.84 0.01 54.20 05:20:05 2 40.69 0.00 3.16 3.50 0.01 52.64 05:20:05 3 38.83 0.00 2.56 1.31 0.01 57.28 05:30:01 all 0.39 0.00 0.04 0.01 0.00 99.56 05:30:01 0 0.28 0.00 0.06 0.01 0.00 99.65 05:30:01 1 0.05 0.00 0.04 0.03 0.00 99.88 05:30:01 2 0.12 0.00 0.03 0.00 0.00 99.85 05:30:01 3 1.10 0.00 0.04 0.01 0.00 98.85 05:40:05 all 0.25 0.00 0.04 0.01 0.00 99.70 05:40:05 0 0.11 0.00 0.06 0.00 0.00 99.83 05:40:05 1 0.18 0.00 0.04 0.01 0.00 99.77 05:40:05 2 0.12 0.00 0.02 0.00 0.00 99.85 05:40:05 3 0.58 0.00 0.03 0.04 0.00 99.35 05:50:05 all 37.49 0.00 1.48 1.02 0.01 59.99 05:50:05 0 38.85 0.00 1.52 1.20 0.01 58.43 05:50:05 1 36.91 0.00 1.61 0.69 0.02 60.77 05:50:05 2 38.59 0.00 1.31 0.67 0.01 59.42 05:50:05 3 35.62 0.00 1.50 1.52 0.00 61.36 Average: all 24.63 0.00 1.50 0.83 0.01 73.03 Average: 0 24.67 0.00 1.48 0.91 0.01 72.94 Average: 1 24.49 0.00 1.54 0.66 0.01 73.31 Average: 2 24.85 0.00 1.50 0.97 0.01 72.68 Average: 3 24.50 0.00 1.49 0.79 0.01 73.21