---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-211877 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 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 688 10562 4 4738 14958 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:c7:a5:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84659sec preferred_lft 84659sec inet6 fe80::f816:3eff:fec7:a5b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:67:6b:60:e3:8e 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-211877) 03/07/26 _x86_64_ (4 CPU) 19:25:52 LINUX RESTART (4 CPU) 19:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:10 13.75 2.09 10.81 0.85 133.00 2831.44 190.19 19:50:10 31.31 1.01 26.10 4.20 34.44 4453.65 11267.00 Average: 22.53 1.55 18.45 2.53 83.72 3642.55 5728.59 19:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:10 10850352 14062588 1898032 11.59 129560 3213396 2196168 12.61 561432 4582568 41988 19:50:10 10883240 15372968 579300 3.54 176840 4347668 1105108 6.34 910456 4092556 113880 Average: 10866796 14717778 1238666 7.57 153200 3780532 1650638 9.47 735944 4337562 77934 19:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:10 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 19:40:10 ens3 99.17 80.98 663.52 19.06 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:10 lo 1497.47 1497.47 1427.08 1427.08 0.00 0.00 0.00 0.00 19:50:10 ens3 99.96 75.71 428.78 19.93 0.00 0.00 0.00 0.00 19:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 749.31 749.31 713.60 713.60 0.00 0.00 0.00 0.00 Average: ens3 99.57 78.34 546.15 19.49 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-211877) 03/07/26 _x86_64_ (4 CPU) 19:25:52 LINUX RESTART (4 CPU) 19:30:10 CPU %user %nice %system %iowait %steal %idle 19:40:10 all 57.52 0.00 1.86 0.05 0.07 40.51 19:40:10 0 59.30 0.00 2.21 0.07 0.07 38.35 19:40:10 1 56.67 0.00 1.97 0.04 0.07 41.26 19:40:10 2 56.13 0.00 1.59 0.04 0.07 42.18 19:40:10 3 57.97 0.00 1.67 0.03 0.07 40.26 19:50:10 all 68.40 0.00 2.65 0.07 0.08 28.80 19:50:10 0 66.55 0.00 2.68 0.04 0.08 30.65 19:50:10 1 69.68 0.00 2.70 0.12 0.08 27.41 19:50:10 2 69.65 0.00 2.43 0.05 0.08 27.79 19:50:10 3 67.71 0.00 2.79 0.08 0.08 29.33 Average: all 62.96 0.00 2.26 0.06 0.08 34.65 Average: 0 62.93 0.00 2.45 0.06 0.07 34.50 Average: 1 63.17 0.00 2.34 0.08 0.08 34.34 Average: 2 62.89 0.00 2.01 0.04 0.08 34.98 Average: 3 62.84 0.00 2.23 0.06 0.08 34.80