---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4050 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 15% / 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 670 9928 4 5389 14976 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:67:79:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84365sec preferred_lft 84365sec inet6 fe80::f816:3eff:fe67:79b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:53:be:74:7e:02 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-4050) 04/17/26 _x86_64_ (4 CPU) 18:21:33 LINUX RESTART (4 CPU) 18:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:22 42.41 0.03 35.83 6.55 0.65 1493.14 115158.21 18:50:01 29.99 0.18 25.66 4.16 5.58 3362.19 32558.99 Average: 36.31 0.10 30.83 5.37 3.07 2411.33 74580.60 18:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:22 9494852 12939528 3018740 18.44 155988 3418420 3200392 18.37 703544 5784108 172 18:50:01 8045804 13022636 2927820 17.88 184760 4843060 3345384 19.20 1248544 6609132 725864 Average: 8770328 12981082 2973280 18.16 170374 4130740 3272888 18.79 976044 6196620 363018 18:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:22 lo 45.86 45.86 10.74 10.74 0.00 0.00 0.00 0.00 18:40:22 ens3 12.18 9.64 10.15 3.29 0.00 0.00 0.00 0.00 18:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1724.50 1724.50 1629.97 1629.97 0.00 0.00 0.00 0.00 18:50:01 ens3 75.20 56.49 493.39 14.38 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 870.51 870.51 806.20 806.20 0.00 0.00 0.00 0.00 Average: ens3 43.14 32.65 247.55 8.74 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-4050) 04/17/26 _x86_64_ (4 CPU) 18:21:33 LINUX RESTART (4 CPU) 18:30:21 CPU %user %nice %system %iowait %steal %idle 18:40:22 all 21.80 0.00 0.99 0.44 0.09 76.69 18:40:22 0 21.94 0.00 0.95 0.22 0.09 76.80 18:40:22 1 21.30 0.00 0.94 0.13 0.09 77.54 18:40:22 2 21.71 0.00 1.00 0.47 0.09 76.74 18:40:22 3 22.24 0.00 1.06 0.94 0.09 75.67 18:50:01 all 45.26 0.00 2.22 0.13 0.10 52.28 18:50:01 0 45.41 0.00 2.27 0.24 0.10 51.97 18:50:01 1 44.60 0.00 1.89 0.10 0.10 53.31 18:50:01 2 46.77 0.00 2.29 0.14 0.10 50.70 18:50:01 3 44.27 0.00 2.42 0.06 0.10 53.15 Average: all 33.32 0.00 1.59 0.29 0.09 64.71 Average: 0 33.45 0.00 1.60 0.23 0.09 64.63 Average: 1 32.74 0.00 1.41 0.11 0.09 65.64 Average: 2 34.02 0.00 1.63 0.30 0.09 63.95 Average: 3 33.06 0.00 1.73 0.51 0.09 64.61