---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6051 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 9.4G 69G 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 617 11695 4 3676 15029 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:b9:36:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85140sec preferred_lft 85140sec inet6 fe80::f816:3eff:feb9:3667/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:bb:68:17:a1:30 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-6051) 03/19/26 _x86_64_ (4 CPU) 12:49:59 LINUX RESTART (4 CPU) 12:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:02 64.12 25.58 36.49 2.06 2254.57 15667.82 7135.69 13:10:02 15.01 0.08 13.03 1.91 8.60 1733.73 10101.67 Average: 39.60 12.85 24.77 1.98 1133.22 8710.92 8616.52 12:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:02 10414740 13619068 2343156 14.31 118740 3239936 2520232 14.47 569420 5031388 24456 13:10:02 12009576 15424904 535072 3.27 134152 3416300 1041256 5.98 654784 3327960 38796 Average: 11212158 14521986 1439114 8.79 126446 3328118 1780744 10.22 612102 4179674 31626 12:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:02 lo 675.07 675.07 641.52 641.52 0.00 0.00 0.00 0.00 13:00:02 ens3 160.62 115.10 1264.33 19.36 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:02 lo 849.71 849.71 804.09 804.09 0.00 0.00 0.00 0.00 13:10:02 ens3 13.15 11.56 12.06 4.17 0.00 0.00 0.00 0.00 13:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 762.26 762.26 722.69 722.69 0.00 0.00 0.00 0.00 Average: ens3 86.99 63.41 639.10 11.78 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-6051) 03/19/26 _x86_64_ (4 CPU) 12:49:59 LINUX RESTART (4 CPU) 12:50:00 CPU %user %nice %system %iowait %steal %idle 13:00:02 all 35.65 0.00 1.86 2.51 0.08 59.90 13:00:02 0 34.59 0.00 1.77 1.39 0.08 62.17 13:00:02 1 34.19 0.00 1.88 3.51 0.08 60.35 13:00:02 2 38.35 0.00 1.92 3.05 0.08 56.60 13:00:02 3 35.49 0.00 1.86 2.09 0.08 60.48 13:10:02 all 28.79 0.00 1.19 0.54 0.07 69.40 13:10:02 0 29.11 0.00 1.10 0.72 0.07 69.00 13:10:02 1 29.10 0.00 1.01 0.41 0.07 69.41 13:10:02 2 28.09 0.00 1.16 0.68 0.07 70.00 13:10:02 3 28.87 0.00 1.51 0.36 0.08 69.18 Average: all 32.23 0.00 1.53 1.53 0.08 64.65 Average: 0 31.85 0.00 1.44 1.05 0.07 65.59 Average: 1 31.65 0.00 1.44 1.96 0.07 64.87 Average: 2 33.22 0.00 1.54 1.87 0.08 63.30 Average: 3 32.18 0.00 1.69 1.23 0.08 64.83