---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64255 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 12G 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 644 9489 4 5855 15002 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:24:e0:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84305sec preferred_lft 84305sec inet6 fe80::f816:3eff:fe24:e086/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:0d:e2:c3:40:81 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-64255) 03/31/26 _x86_64_ (4 CPU) 12:24:18 LINUX RESTART (4 CPU) 12:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:07 16.05 0.03 13.07 2.95 0.64 977.73 60148.36 12:50:07 40.13 0.17 22.64 17.33 5.07 2126.56 264548.93 Average: 28.08 0.10 17.85 10.13 2.85 1551.69 162267.76 12:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:07 9598960 13023772 2934796 17.92 132016 3414288 3216952 18.47 677684 5700804 884 12:50:07 9155908 13043108 2912088 17.79 154824 3820068 2937284 16.86 831960 5933768 21676 Average: 9377434 13033440 2923442 17.86 143420 3617178 3077118 17.66 754822 5817286 11280 12:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:07 lo 36.45 36.45 8.66 8.66 0.00 0.00 0.00 0.00 12:40:07 ens3 11.01 8.61 12.19 2.56 0.00 0.00 0.00 0.00 12:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:07 lo 1563.59 1563.59 1471.16 1471.16 0.00 0.00 0.00 0.00 12:50:07 ens3 39.03 28.32 264.49 6.80 0.00 0.00 0.00 0.00 12:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 799.41 799.41 739.33 739.33 0.00 0.00 0.00 0.00 Average: ens3 25.01 18.46 138.24 4.68 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-64255) 03/31/26 _x86_64_ (4 CPU) 12:24:18 LINUX RESTART (4 CPU) 12:30:07 CPU %user %nice %system %iowait %steal %idle 12:40:07 all 25.68 0.00 0.99 0.32 0.09 72.93 12:40:07 0 24.82 0.00 1.03 0.03 0.09 74.03 12:40:07 1 26.52 0.00 0.93 0.07 0.09 72.39 12:40:07 2 26.09 0.00 1.00 1.08 0.09 71.74 12:40:07 3 25.28 0.00 0.98 0.11 0.09 73.55 12:50:07 all 41.01 0.00 2.00 0.08 0.10 56.80 12:50:07 0 38.72 0.00 2.10 0.13 0.10 58.95 12:50:07 1 41.98 0.00 2.30 0.10 0.10 55.53 12:50:07 2 42.85 0.00 1.85 0.03 0.10 55.17 12:50:07 3 40.48 0.00 1.77 0.08 0.10 57.56 Average: all 33.33 0.00 1.49 0.20 0.09 64.87 Average: 0 31.77 0.00 1.57 0.08 0.10 66.49 Average: 1 34.24 0.00 1.61 0.08 0.09 63.97 Average: 2 34.46 0.00 1.42 0.56 0.09 63.47 Average: 3 32.87 0.00 1.38 0.09 0.09 65.57