---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-285614 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 604 10659 4 4725 15042 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:f9:b9:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84800sec preferred_lft 84800sec inet6 fe80::f816:3eff:fef9:b9ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:05:44:db:e4:bc 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-285614) 03/08/26 _x86_64_ (4 CPU) 20:07:22 LINUX RESTART (4 CPU) 20:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:12 7.16 1.64 5.31 0.21 119.36 1555.38 859.37 20:30:01 23.68 0.53 9.13 14.01 19.63 1658.24 245127.76 Average: 15.34 1.09 7.20 7.05 69.97 1606.32 121825.81 20:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:12 9166884 12073780 3890236 23.76 112664 2961496 4102888 23.55 494464 6368488 840 20:30:01 9366760 12965764 2993992 18.29 130696 3597696 3327924 19.10 686724 5934336 267808 Average: 9266822 12519772 3442114 21.02 121680 3279596 3715406 21.33 590594 6151412 134324 20:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:12 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 20:20:12 ens3 26.95 21.81 197.16 4.27 0.00 0.00 0.00 0.00 20:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 228.77 228.77 217.86 217.86 0.00 0.00 0.00 0.00 20:30:01 ens3 38.06 29.67 417.28 4.06 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 113.62 113.62 108.09 108.09 0.00 0.00 0.00 0.00 Average: ens3 32.45 25.70 306.17 4.17 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-285614) 03/08/26 _x86_64_ (4 CPU) 20:07:22 LINUX RESTART (4 CPU) 20:10:12 CPU %user %nice %system %iowait %steal %idle 20:20:12 all 50.34 0.00 0.83 0.03 0.07 48.72 20:20:12 0 52.92 0.00 0.78 0.02 0.08 46.21 20:20:12 1 45.84 0.00 0.94 0.07 0.07 53.09 20:20:12 2 46.21 0.00 0.70 0.04 0.07 52.98 20:20:12 3 56.39 0.00 0.92 0.02 0.07 42.60 20:30:01 all 49.40 0.00 0.89 0.05 0.07 49.59 20:30:01 0 47.67 0.00 0.96 0.02 0.07 51.28 20:30:01 1 63.49 0.00 0.87 0.01 0.07 35.55 20:30:01 2 36.38 0.00 0.83 0.04 0.07 62.68 20:30:01 3 50.07 0.00 0.90 0.12 0.07 48.84 Average: all 49.88 0.00 0.86 0.04 0.07 49.15 Average: 0 50.32 0.00 0.87 0.02 0.07 48.72 Average: 1 54.58 0.00 0.90 0.04 0.07 44.40 Average: 2 41.34 0.00 0.76 0.04 0.07 57.79 Average: 3 53.26 0.00 0.91 0.07 0.07 45.69