---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39335 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: 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 68G 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 665 10500 4 4823 14981 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:57:02:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84514sec preferred_lft 84514sec inet6 fe80::f816:3eff:fe57:27d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:9e:cd:6d:2e:c4 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-39335) 07/27/26 _x86_64_ (4 CPU) 10:27:59 LINUX RESTART (4 CPU) 10:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:00 12.29 1.97 9.87 0.46 126.63 3132.97 987.32 10:50:00 11.16 0.75 9.30 1.11 27.05 2129.44 2783.79 Average: 11.73 1.36 9.59 0.78 76.84 2631.21 1885.55 10:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:00 10270524 13453356 2508420 15.32 123664 3196376 3139252 18.02 522744 5221012 33920 10:50:00 9103736 13306732 2646860 16.17 159384 4096520 2918944 16.75 721776 6072456 412232 Average: 9687130 13380044 2577640 15.74 141524 3646448 3029098 17.39 622260 5646734 223076 10:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:00 lo 0.65 0.65 0.06 0.06 0.00 0.00 0.00 0.00 10:40:00 ens3 78.16 62.69 674.90 12.32 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:00 lo 84.33 84.33 79.34 79.34 0.00 0.00 0.00 0.00 10:50:00 ens3 87.47 64.25 329.48 17.81 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 42.49 42.49 39.70 39.70 0.00 0.00 0.00 0.00 Average: ens3 82.82 63.47 502.19 15.07 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-39335) 07/27/26 _x86_64_ (4 CPU) 10:27:59 LINUX RESTART (4 CPU) 10:30:00 CPU %user %nice %system %iowait %steal %idle 10:40:00 all 33.96 0.00 1.11 0.04 0.07 64.82 10:40:00 0 33.86 0.00 1.04 0.02 0.06 65.03 10:40:00 1 34.32 0.00 0.97 0.05 0.06 64.60 10:40:00 2 33.83 0.00 1.21 0.05 0.07 64.85 10:40:00 3 33.84 0.00 1.23 0.06 0.07 64.80 10:50:00 all 69.55 0.00 2.25 0.03 0.12 28.05 10:50:00 0 68.16 0.00 2.25 0.05 0.12 29.41 10:50:00 1 68.66 0.00 1.98 0.02 0.13 29.21 10:50:00 2 70.29 0.00 2.42 0.02 0.12 27.15 10:50:00 3 71.08 0.00 2.34 0.03 0.12 26.44 Average: all 51.75 0.00 1.68 0.04 0.09 46.45 Average: 0 51.01 0.00 1.64 0.03 0.09 47.22 Average: 1 51.48 0.00 1.47 0.04 0.09 46.92 Average: 2 52.05 0.00 1.81 0.03 0.10 46.01 Average: 3 52.45 0.00 1.78 0.04 0.10 45.63