---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36155 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 618 10575 4 4795 15028 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:61:4f:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84786sec preferred_lft 84786sec inet6 fe80::f816:3eff:fe61:4f73/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:95:20:5d:59:6a 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-36155) 03/25/26 _x86_64_ (4 CPU) 08:14:19 LINUX RESTART (4 CPU) 08:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:08 3.91 0.07 3.67 0.16 7.52 622.06 45.68 08:40:08 19.90 0.51 17.82 1.57 18.91 2531.41 12382.06 Average: 11.91 0.29 10.75 0.87 13.21 1576.70 6213.61 08:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:08 9962248 12977952 2985240 18.23 113536 3064004 3176604 18.23 500132 5548180 476 08:40:08 9589924 13639288 2318512 14.16 134876 4030280 2523088 14.48 788604 5598772 578552 Average: 9776086 13308620 2651876 16.20 124206 3547142 2849846 16.36 644368 5573476 289514 08:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:08 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 08:30:08 ens3 8.73 7.71 36.18 2.24 0.00 0.00 0.00 0.00 08:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:08 lo 499.74 499.74 476.22 476.22 0.00 0.00 0.00 0.00 08:40:08 ens3 44.78 32.62 481.77 5.11 0.00 0.00 0.00 0.00 08:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 250.16 250.16 238.29 238.29 0.00 0.00 0.00 0.00 Average: ens3 26.76 20.16 258.97 3.67 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-36155) 03/25/26 _x86_64_ (4 CPU) 08:14:19 LINUX RESTART (4 CPU) 08:20:07 CPU %user %nice %system %iowait %steal %idle 08:30:08 all 48.65 0.00 0.71 0.02 0.09 50.53 08:30:08 0 37.89 0.00 0.91 0.03 0.09 61.08 08:30:08 1 44.68 0.00 0.62 0.02 0.09 54.58 08:30:08 2 51.20 0.00 0.72 0.01 0.09 47.99 08:30:08 3 60.85 0.00 0.60 0.00 0.11 38.44 08:40:08 all 53.55 0.00 1.45 0.09 0.11 44.80 08:40:08 0 67.85 0.00 1.28 0.08 0.13 30.66 08:40:08 1 43.57 0.00 1.39 0.14 0.11 54.79 08:40:08 2 47.21 0.00 1.32 0.06 0.11 51.30 08:40:08 3 55.52 0.00 1.81 0.08 0.11 42.47 Average: all 51.10 0.00 1.08 0.05 0.10 47.67 Average: 0 52.86 0.00 1.10 0.06 0.11 45.88 Average: 1 44.13 0.00 1.01 0.08 0.10 54.69 Average: 2 49.21 0.00 1.02 0.03 0.10 49.64 Average: 3 58.19 0.00 1.21 0.04 0.11 40.46