---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6677 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: 5599.99 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 68G 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 677 10498 4 4813 14969 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:31:6d:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84173sec preferred_lft 84173sec inet6 fe80::f816:3eff:fe31:6da3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:a5:7c:69:12:b0 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-6677) 03/21/26 _x86_64_ (4 CPU) 14:39:37 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:24 54.98 7.80 33.94 13.24 1208.27 6216.83 233262.69 15:00:20 25.68 13.89 11.16 0.63 257.89 2506.33 1217.39 15:10:24 31.46 0.78 27.17 3.50 27.09 3556.73 4152.21 Average: 37.62 7.47 24.26 5.90 506.64 4123.86 81589.23 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:24 13157732 15521080 459096 2.80 97028 2459828 981608 5.63 336256 2568708 12 15:00:20 10872780 14069176 1891580 11.55 130248 3190176 2196840 12.61 579028 4541840 27060 15:10:24 8943084 13095536 2856488 17.45 171144 4020560 3481628 19.98 828736 6108096 17716 Average: 10991199 14228597 1735721 10.60 132807 3223521 2220025 12.74 581340 4406215 14929 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:24 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 14:50:24 ens3 62.53 43.65 388.43 9.56 0.00 0.00 0.00 0.00 14:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:20 lo 0.88 0.88 0.09 0.09 0.00 0.00 0.00 0.00 15:00:20 ens3 82.38 66.24 589.50 16.37 0.00 0.00 0.00 0.00 15:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:24 lo 1574.17 1574.17 1500.81 1500.81 0.00 0.00 0.00 0.00 15:10:24 ens3 84.70 64.61 396.80 18.45 0.00 0.00 0.00 0.00 15:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 521.76 521.76 497.11 497.11 0.00 0.00 0.00 0.00 Average: ens3 76.36 57.97 456.88 14.73 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-6677) 03/21/26 _x86_64_ (4 CPU) 14:39:37 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:24 all 2.83 0.00 0.46 0.36 0.03 96.33 14:50:24 0 1.76 0.00 0.40 0.27 0.04 97.53 14:50:24 1 1.98 0.00 0.38 0.24 0.02 97.39 14:50:24 2 5.39 0.00 0.61 0.17 0.03 93.80 14:50:24 3 2.17 0.00 0.44 0.75 0.03 96.61 15:00:20 all 45.29 0.07 1.47 0.08 0.07 53.02 15:00:20 0 44.56 0.13 1.52 0.10 0.07 53.61 15:00:20 1 46.64 0.07 1.43 0.13 0.06 51.67 15:00:20 2 45.56 0.00 1.57 0.04 0.07 52.75 15:00:20 3 44.41 0.07 1.35 0.06 0.06 54.06 15:10:24 all 71.04 0.00 2.69 0.06 0.09 26.13 15:10:24 0 69.31 0.00 2.90 0.06 0.09 27.64 15:10:24 1 72.77 0.00 2.30 0.04 0.10 24.79 15:10:24 2 70.83 0.00 3.05 0.06 0.09 25.97 15:10:24 3 71.24 0.00 2.50 0.05 0.09 26.11 Average: all 39.26 0.02 1.53 0.17 0.06 58.96 Average: 0 38.10 0.04 1.60 0.15 0.07 60.05 Average: 1 39.97 0.02 1.36 0.14 0.06 58.45 Average: 2 40.16 0.00 1.73 0.09 0.06 57.95 Average: 3 38.82 0.02 1.42 0.30 0.06 59.39