---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52860 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 720 9501 4 5767 14926 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:e9:41:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84809sec preferred_lft 84809sec inet6 fe80::f816:3eff:fee9:41cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:0f:e0:91:60:34 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-52860) 03/25/26 _x86_64_ (4 CPU) 21:34:35 LINUX RESTART (4 CPU) 21:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:04 28.48 0.15 25.16 3.18 6.13 2754.83 18995.61 22:00:01 24.72 0.05 21.53 3.14 1.69 6161.49 9465.92 Average: 26.61 0.10 23.35 3.16 3.92 4453.29 14244.38 21:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:04 9587832 13526812 2427704 14.83 165364 3858544 2718540 15.60 865060 5478308 13896 22:00:01 5890556 11390044 4555916 27.83 202408 5279508 4731724 27.16 1038988 8883772 302948 Average: 7739194 12458428 3491810 21.33 183886 4569026 3725132 21.38 952024 7181040 158422 21:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:04 lo 1490.54 1490.54 1421.10 1421.10 0.00 0.00 0.00 0.00 21:50:04 ens3 28.37 24.73 76.80 7.52 0.00 0.00 0.00 0.00 21:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 lo 562.06 562.06 534.83 534.83 0.00 0.00 0.00 0.00 22:00:01 ens3 44.63 38.51 231.77 10.47 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1027.62 1027.62 979.23 979.23 0.00 0.00 0.00 0.00 Average: ens3 36.48 31.60 154.06 8.99 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-52860) 03/25/26 _x86_64_ (4 CPU) 21:34:35 LINUX RESTART (4 CPU) 21:40:04 CPU %user %nice %system %iowait %steal %idle 21:50:04 all 62.98 0.00 2.38 0.10 0.10 34.44 21:50:04 0 63.69 0.00 2.48 0.07 0.11 33.66 21:50:04 1 61.54 0.00 2.04 0.22 0.10 36.08 21:50:04 2 62.78 0.00 2.52 0.05 0.10 34.53 21:50:04 3 63.90 0.00 2.46 0.04 0.11 33.50 22:00:01 all 60.17 0.00 2.12 0.07 0.09 37.55 22:00:01 0 59.38 0.00 2.04 0.03 0.10 38.46 22:00:01 1 56.47 0.00 1.86 0.16 0.09 41.42 22:00:01 2 58.04 0.00 1.87 0.04 0.09 39.96 22:00:01 3 66.79 0.00 2.72 0.07 0.10 30.33 Average: all 61.58 0.00 2.25 0.08 0.10 35.99 Average: 0 61.54 0.00 2.26 0.05 0.10 36.05 Average: 1 59.01 0.00 1.95 0.19 0.10 38.75 Average: 2 60.41 0.00 2.20 0.05 0.10 37.24 Average: 3 65.34 0.00 2.59 0.05 0.10 31.92