---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54312 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 611 10538 4 4839 15035 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:80:ea:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84833sec preferred_lft 84833sec inet6 fe80::f816:3eff:fe80:eab9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:33:5d:ac:23:9e 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-54312) 03/30/26 _x86_64_ (4 CPU) 20:07:28 LINUX RESTART (4 CPU) 20:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:10 6.40 0.35 5.85 0.20 30.28 1683.16 39.77 20:30:01 10.48 0.53 9.36 0.59 19.32 1836.84 1442.51 Average: 8.43 0.44 7.59 0.40 24.84 1759.38 735.51 20:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:10 8695496 11661352 4301928 26.27 112832 3019028 4458100 25.59 493328 6841776 644 20:30:01 10210428 13608340 2351288 14.36 131312 3404348 2499452 14.35 652432 5111948 7220 Average: 9452962 12634846 3326608 20.32 122072 3211688 3478776 19.97 572880 5976862 3932 20:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:10 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 20:20:10 ens3 14.96 13.01 98.41 3.00 0.00 0.00 0.00 0.00 20:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 183.11 183.11 174.24 174.24 0.00 0.00 0.00 0.00 20:30:01 ens3 37.97 27.34 439.54 3.57 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 91.14 91.14 86.61 86.61 0.00 0.00 0.00 0.00 Average: ens3 26.38 20.12 267.61 3.28 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-54312) 03/30/26 _x86_64_ (4 CPU) 20:07:28 LINUX RESTART (4 CPU) 20:10:10 CPU %user %nice %system %iowait %steal %idle 20:20:10 all 48.84 0.00 0.78 0.02 0.08 50.27 20:20:10 0 45.65 0.00 0.66 0.03 0.07 53.59 20:20:10 1 44.86 0.00 0.82 0.02 0.10 54.20 20:20:10 2 63.26 0.00 0.94 0.01 0.08 35.70 20:20:10 3 41.61 0.00 0.71 0.03 0.08 57.58 20:30:01 all 50.56 0.00 0.95 0.04 0.08 48.37 20:30:01 0 42.23 0.00 1.03 0.04 0.09 56.61 20:30:01 1 39.00 0.00 0.91 0.03 0.06 59.99 20:30:01 2 58.97 0.00 0.95 0.06 0.08 39.94 20:30:01 3 62.02 0.00 0.93 0.03 0.08 36.94 Average: all 49.69 0.00 0.87 0.03 0.08 49.33 Average: 0 43.96 0.00 0.84 0.04 0.08 55.08 Average: 1 41.95 0.00 0.87 0.03 0.08 57.07 Average: 2 61.13 0.00 0.95 0.04 0.08 37.80 Average: 3 51.72 0.00 0.82 0.03 0.08 47.35