---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64871 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.86 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 nrip_save 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 11G 67G 14% / 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 663 10341 4 4984 14983 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:ad:51:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84131sec preferred_lft 84131sec inet6 fe80::f816:3eff:fead:5117/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:a2:96:b8:77:47 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-64871) 03/31/26 _x86_64_ (4 CPU) 14:39:28 LINUX RESTART (4 CPU) 14:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 46.94 4.19 41.65 1.10 647.25 4504.83 6469.51 15:00:03 25.28 0.52 10.43 14.33 18.09 2522.67 238775.20 15:10:03 28.31 0.69 23.82 3.80 23.13 3424.23 4064.20 Average: 33.48 1.79 25.25 6.43 228.56 3480.97 83447.56 14:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 10897856 14052672 1909748 11.66 122040 3185956 2369824 13.60 627800 4504416 44392 15:00:03 8867704 12813060 3141876 19.19 158960 3862156 3299076 18.94 834140 6223392 80304 15:10:03 10634720 15378576 572252 3.50 178856 4595028 1102656 6.33 1048936 4193348 12 Average: 10133427 14081436 1874625 11.45 153285 3881047 2257185 12.96 836959 4973719 41569 14:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.69 0.69 0.08 0.08 0.00 0.00 0.00 0.00 14:50:01 ens3 92.16 74.19 1012.89 15.84 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:03 lo 1.44 1.44 0.15 0.15 0.00 0.00 0.00 0.00 15:00:03 ens3 62.40 50.99 195.87 17.60 0.00 0.00 0.00 0.00 15:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:03 lo 1511.23 1511.23 1435.99 1435.99 0.00 0.00 0.00 0.00 15:10:03 ens3 74.99 61.89 343.09 86.52 0.00 0.00 0.00 0.00 15:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 504.45 504.45 478.74 478.74 0.00 0.00 0.00 0.00 Average: ens3 76.47 62.32 516.07 39.99 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-64871) 03/31/26 _x86_64_ (4 CPU) 14:39:28 LINUX RESTART (4 CPU) 14:40:03 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 26.50 0.00 1.17 0.27 0.06 72.01 14:50:01 0 24.10 0.00 1.03 0.47 0.06 74.34 14:50:01 1 26.90 0.00 1.37 0.38 0.05 71.30 14:50:01 2 27.21 0.00 1.00 0.11 0.06 71.62 14:50:01 3 27.77 0.00 1.26 0.13 0.06 70.78 15:00:03 all 73.19 0.00 2.26 0.03 0.10 24.42 15:00:03 0 75.07 0.00 2.41 0.03 0.10 22.39 15:00:03 1 75.57 0.00 2.58 0.02 0.10 21.73 15:00:03 2 70.17 0.00 1.89 0.04 0.10 27.80 15:00:03 3 71.94 0.00 2.16 0.02 0.09 25.78 15:10:03 all 30.74 0.00 1.59 0.07 0.06 67.54 15:10:03 0 31.45 0.00 1.39 0.07 0.06 67.03 15:10:03 1 29.84 0.00 1.37 0.13 0.06 68.61 15:10:03 2 30.77 0.00 1.65 0.04 0.06 67.48 15:10:03 3 30.91 0.00 1.94 0.03 0.05 67.06 Average: all 43.54 0.00 1.67 0.12 0.07 54.59 Average: 0 43.61 0.00 1.61 0.19 0.07 54.51 Average: 1 44.17 0.00 1.77 0.18 0.07 53.81 Average: 2 42.79 0.00 1.51 0.07 0.07 55.56 Average: 3 43.60 0.00 1.79 0.06 0.07 54.49