---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32434 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 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 625 10468 4 4895 15021 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:68:60:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84658sec preferred_lft 84658sec inet6 fe80::f816:3eff:fe68:6019/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:ac:4f:d5:ee:49 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-32434) 03/25/26 _x86_64_ (4 CPU) 07:24:14 LINUX RESTART (4 CPU) 07:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:34 3.82 0.07 3.60 0.16 6.73 496.01 20.35 07:50:01 11.39 0.54 10.10 0.74 20.05 1876.95 2923.94 Average: 7.40 0.29 6.68 0.44 13.03 1149.54 1394.47 07:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:34 10705768 13817640 2144196 13.10 116224 3156612 2415260 13.86 534072 4783588 26780 07:50:01 10058612 13562700 2395860 14.63 134120 3504896 2494196 14.32 685584 5247428 8044 Average: 10382190 13690170 2270028 13.86 125172 3330754 2454728 14.09 609828 5015508 17412 07:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:34 lo 0.58 0.58 0.36 0.36 0.00 0.00 0.00 0.00 07:40:34 ens3 8.80 7.04 34.43 2.11 0.00 0.00 0.00 0.00 07:40:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 190.87 190.87 181.66 181.66 0.00 0.00 0.00 0.00 07:50:01 ens3 32.19 24.43 430.45 3.40 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 90.64 90.64 86.16 86.16 0.00 0.00 0.00 0.00 Average: ens3 19.87 15.27 221.85 2.72 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-32434) 03/25/26 _x86_64_ (4 CPU) 07:24:14 LINUX RESTART (4 CPU) 07:30:01 CPU %user %nice %system %iowait %steal %idle 07:40:34 all 50.33 0.00 0.73 0.02 0.10 48.82 07:40:34 0 47.29 0.00 0.80 0.04 0.10 51.76 07:40:34 1 43.75 0.00 0.62 0.01 0.09 55.53 07:40:34 2 42.33 0.00 0.62 0.00 0.09 56.96 07:40:34 3 67.98 0.00 0.88 0.00 0.13 31.01 07:50:01 all 57.72 0.00 0.99 0.03 0.11 41.15 07:50:01 0 56.49 0.00 0.92 0.04 0.11 42.44 07:50:01 1 63.03 0.00 0.93 0.02 0.12 35.91 07:50:01 2 65.26 0.00 1.20 0.03 0.12 33.40 07:50:01 3 46.08 0.00 0.93 0.02 0.10 52.86 Average: all 53.83 0.00 0.86 0.02 0.11 45.19 Average: 0 51.64 0.00 0.86 0.04 0.11 47.36 Average: 1 52.85 0.00 0.77 0.01 0.10 46.27 Average: 2 53.19 0.00 0.89 0.02 0.11 45.79 Average: 3 57.62 0.00 0.91 0.01 0.11 41.34