---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-473109 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: 5600.00 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 653 10058 4 5277 14993 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:b2:65:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84415sec preferred_lft 84415sec inet6 fe80::f816:3eff:feb2:6513/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:87:21:94:dc:fb 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-473109) 03/14/26 _x86_64_ (4 CPU) 15:45:28 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:08 51.02 0.35 42.66 8.01 14.46 2515.82 144317.71 16:10:08 24.57 0.16 20.89 3.52 4.93 1817.84 33479.68 Average: 37.87 0.26 31.84 5.78 9.73 2168.77 89206.86 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:08 9736456 13065184 2894996 17.68 154720 3306396 3197064 18.35 673780 5583372 332 16:10:08 8873036 12751852 3204432 19.57 172928 3802652 3423240 19.65 821620 6264644 174904 Average: 9304746 12908518 3049714 18.63 163824 3554524 3310152 19.00 747700 5924008 87618 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:08 lo 23.95 23.95 5.58 5.58 0.00 0.00 0.00 0.00 16:00:08 ens3 24.73 18.87 28.79 5.90 0.00 0.00 0.00 0.00 16:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:08 lo 1419.62 1419.62 1326.27 1326.27 0.00 0.00 0.00 0.00 16:10:08 ens3 47.37 34.73 279.36 13.49 0.00 0.00 0.00 0.00 16:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 717.90 717.90 662.25 662.25 0.00 0.00 0.00 0.00 Average: ens3 35.99 26.76 153.38 9.67 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-473109) 03/14/26 _x86_64_ (4 CPU) 15:45:28 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:08 all 34.88 0.00 1.33 0.39 0.09 63.31 16:00:08 0 35.69 0.00 1.32 0.14 0.09 62.76 16:00:08 1 33.82 0.00 1.39 0.78 0.09 63.92 16:00:08 2 35.59 0.00 1.28 0.52 0.09 62.53 16:00:08 3 34.43 0.00 1.34 0.10 0.09 64.03 16:10:08 all 30.99 0.00 1.65 0.09 0.08 67.18 16:10:08 0 31.42 0.00 1.58 0.05 0.08 66.87 16:10:08 1 31.89 0.00 1.72 0.06 0.08 66.24 16:10:08 2 30.15 0.00 1.55 0.14 0.08 68.08 16:10:08 3 30.51 0.00 1.77 0.10 0.09 67.54 Average: all 32.95 0.00 1.49 0.24 0.09 65.23 Average: 0 33.57 0.00 1.45 0.09 0.09 64.80 Average: 1 32.86 0.00 1.56 0.42 0.08 65.07 Average: 2 32.88 0.00 1.41 0.33 0.09 65.29 Average: 3 32.49 0.00 1.55 0.10 0.09 65.77