---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61608 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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: 5600.00 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 10G 68G 13% / 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 693 10959 4 4336 14952 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:e9:c6:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82083sec preferred_lft 82083sec inet6 fe80::f816:3eff:fee9:c643/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:90:67:3c:af:a8 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61608) 10/03/26 _x86_64_ (4 CPU) 09:57:01 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:49 1.31 0.03 1.27 0.01 1.14 16.26 0.70 10:20:26 1.24 0.01 1.23 0.00 0.14 14.51 0.00 10:30:01 1.10 0.00 1.10 0.00 0.24 12.87 0.00 10:40:49 0.99 0.00 0.99 0.00 0.00 11.75 0.00 10:50:04 42.89 4.62 37.53 0.73 275.39 4481.75 496.01 11:00:01 3.60 0.06 3.40 0.14 6.92 558.55 204.80 Average: 8.00 0.73 7.13 0.14 43.87 793.05 110.58 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:49 13737428 15524828 493608 3.01 54196 1961076 1159852 6.66 186568 2193484 8 10:20:26 13736420 15524204 494196 3.02 54508 1961112 1159852 6.66 186916 2194392 200 10:30:01 13734920 15523280 495144 3.02 54868 1961312 1159852 6.66 187268 2195036 8 10:40:49 13729420 15518124 500296 3.06 55188 1961324 1160496 6.66 187588 2207192 8 10:50:04 11113292 14103288 1860516 11.36 107748 3056252 2211832 12.70 443472 4480536 15620 11:00:01 8826628 11959316 4003112 24.45 113032 3181324 4236032 24.31 485180 6719728 256 Average: 12479685 14692173 1307812 7.99 73257 2347067 1847986 10.61 279499 3331728 2683 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:49 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:10:49 ens3 0.31 0.15 0.10 0.05 0.00 0.00 0.00 0.00 10:10:49 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:26 ens3 0.25 0.09 0.04 0.02 0.00 0.00 0.00 0.00 10:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:01 ens3 0.21 0.07 0.03 0.02 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:49 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 10:40:49 ens3 6.16 4.92 3.98 3.49 0.00 0.00 0.00 0.00 10:40:49 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:04 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 10:50:04 ens3 118.74 93.03 995.93 17.60 0.00 0.00 0.00 0.00 10:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 11:00:01 ens3 13.86 11.30 47.35 3.32 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.23 0.23 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 21.84 17.15 162.14 3.91 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61608) 10/03/26 _x86_64_ (4 CPU) 09:57:01 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:49 all 0.11 0.00 0.03 0.01 0.00 99.85 10:10:49 0 0.03 0.00 0.03 0.00 0.00 99.93 10:10:49 1 0.07 0.00 0.04 0.00 0.00 99.89 10:10:49 2 0.32 0.00 0.03 0.00 0.00 99.65 10:10:49 3 0.01 0.00 0.02 0.03 0.00 99.93 10:20:26 all 0.14 0.00 0.03 0.01 0.00 99.83 10:20:26 0 0.01 0.00 0.02 0.01 0.00 99.96 10:20:26 1 0.05 0.00 0.04 0.02 0.00 99.89 10:20:26 2 0.47 0.00 0.03 0.00 0.00 99.49 10:20:26 3 0.02 0.00 0.01 0.00 0.00 99.97 10:30:01 all 0.12 0.00 0.03 0.01 0.00 99.84 10:30:01 0 0.01 0.00 0.03 0.02 0.00 99.94 10:30:01 1 0.03 0.00 0.02 0.03 0.00 99.92 10:30:01 2 0.41 0.00 0.03 0.00 0.00 99.56 10:30:01 3 0.02 0.00 0.03 0.00 0.00 99.95 10:40:49 all 0.25 0.00 0.04 0.01 0.00 99.70 10:40:49 0 0.40 0.00 0.04 0.00 0.00 99.56 10:40:49 1 0.11 0.00 0.02 0.03 0.00 99.83 10:40:49 2 0.38 0.00 0.02 0.00 0.00 99.60 10:40:49 3 0.12 0.00 0.07 0.00 0.00 99.80 10:50:04 all 25.48 0.00 0.91 0.34 0.01 73.26 10:50:04 0 29.33 0.00 0.95 0.19 0.02 69.51 10:50:04 1 24.65 0.00 0.88 0.12 0.01 74.34 10:50:04 2 26.14 0.00 0.77 0.18 0.01 72.90 10:50:04 3 21.81 0.00 1.02 0.86 0.01 76.29 11:00:01 all 46.94 0.00 0.83 0.02 0.03 52.18 11:00:01 0 47.20 0.00 0.90 0.02 0.03 51.85 11:00:01 1 44.31 0.00 0.69 0.02 0.02 54.97 11:00:01 2 42.60 0.00 0.76 0.03 0.02 56.58 11:00:01 3 53.65 0.00 0.96 0.03 0.04 45.33 Average: all 11.82 0.00 0.30 0.06 0.01 87.81 Average: 0 12.42 0.00 0.32 0.04 0.01 87.21 Average: 1 11.20 0.00 0.27 0.04 0.00 88.48 Average: 2 11.37 0.00 0.26 0.03 0.01 88.33 Average: 3 12.29 0.00 0.34 0.14 0.01 87.22