---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28863 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 746 10048 4 5194 14900 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:d6:4e:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84642sec preferred_lft 84642sec inet6 fe80::f816:3eff:fed6:4e87/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:81:ce:f9:16:f3 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28863) 06/20/26 _x86_64_ (4 CPU) 12:55:22 LINUX RESTART (4 CPU) 13:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:11 31.54 0.48 26.79 4.27 16.55 4162.93 9457.19 13:20:12 48.45 0.01 38.99 9.45 0.05 2725.03 10503.22 Average: 40.00 0.24 32.90 6.86 8.29 3443.29 9980.71 13:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:11 9047248 13210552 2742356 16.75 176320 4048816 2980244 17.11 689632 6190808 105400 13:20:12 8606184 13175140 2774232 16.94 211228 4377508 2982200 17.12 779240 6495008 110304 Average: 8826716 13192846 2758294 16.85 193774 4213162 2981222 17.11 734436 6342908 107852 13:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:11 lo 2079.94 2079.94 1983.41 1983.41 0.00 0.00 0.00 0.00 13:10:11 ens3 92.14 67.16 321.97 18.66 0.00 0.00 0.00 0.00 13:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:12 lo 5260.82 5260.82 5016.36 5016.36 0.00 0.00 0.00 0.00 13:20:12 ens3 73.13 51.23 22.37 15.92 0.00 0.00 0.00 0.00 13:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3671.90 3671.90 3501.34 3501.34 0.00 0.00 0.00 0.00 Average: ens3 82.62 59.18 172.02 17.29 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28863) 06/20/26 _x86_64_ (4 CPU) 12:55:22 LINUX RESTART (4 CPU) 13:00:11 CPU %user %nice %system %iowait %steal %idle 13:10:11 all 66.22 0.00 2.91 0.07 0.09 30.70 13:10:11 0 65.92 0.00 2.87 0.06 0.09 31.06 13:10:11 1 67.24 0.00 3.40 0.04 0.09 29.23 13:10:11 2 68.61 0.00 2.90 0.09 0.09 28.31 13:10:11 3 63.12 0.00 2.49 0.11 0.09 34.19 13:20:12 all 63.19 0.00 4.02 0.09 0.09 32.61 13:20:12 0 62.67 0.00 4.34 0.11 0.09 32.78 13:20:12 1 64.88 0.00 3.93 0.04 0.09 31.06 13:20:12 2 63.00 0.00 4.00 0.15 0.10 32.75 13:20:12 3 62.20 0.00 3.81 0.07 0.09 33.83 Average: all 64.70 0.00 3.47 0.08 0.09 31.65 Average: 0 64.29 0.00 3.60 0.09 0.09 31.92 Average: 1 66.06 0.00 3.66 0.04 0.09 30.15 Average: 2 65.81 0.00 3.45 0.12 0.09 30.53 Average: 3 62.66 0.00 3.15 0.09 0.09 34.01