---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1416 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 66G 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 678 9326 4 5983 14968 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:dd:29:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84578sec preferred_lft 84578sec inet6 fe80::f816:3eff:fedd:2991/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:e5:46:bd:49:2b 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-1416) 04/09/26 _x86_64_ (4 CPU) 05:12:30 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:02 11.05 0.01 9.13 1.90 0.24 656.82 16100.86 05:40:02 39.99 0.60 33.82 5.58 19.81 8234.23 31943.96 Average: 25.51 0.30 21.47 3.74 10.02 4443.10 24017.33 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:02 9901128 13510840 2447516 14.95 134760 3589260 2715108 15.58 750268 5332164 40968 05:40:02 9600224 15370092 577052 3.52 178780 5603796 1097508 6.30 1632320 4623216 31348 Average: 9750676 14440466 1512284 9.24 156770 4596528 1906308 10.94 1191294 4977690 36158 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:02 lo 54.19 54.19 13.71 13.71 0.00 0.00 0.00 0.00 05:30:02 ens3 6.43 5.44 4.41 1.81 0.00 0.00 0.00 0.00 05:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:02 lo 2276.05 2276.05 2190.39 2190.39 0.00 0.00 0.00 0.00 05:40:02 ens3 74.78 58.96 468.79 24.83 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1164.41 1164.41 1101.35 1101.35 0.00 0.00 0.00 0.00 Average: ens3 40.58 32.18 236.45 13.31 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-1416) 04/09/26 _x86_64_ (4 CPU) 05:12:30 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:02 all 16.96 0.00 0.84 0.08 0.07 82.05 05:30:02 0 17.02 0.00 0.92 0.03 0.07 81.96 05:30:02 1 17.24 0.00 0.72 0.02 0.07 81.94 05:30:02 2 16.13 0.00 0.81 0.18 0.07 82.80 05:30:02 3 17.43 0.00 0.89 0.08 0.07 81.52 05:40:02 all 52.68 0.00 2.75 0.12 0.09 44.35 05:40:02 0 51.43 0.00 2.29 0.14 0.09 46.04 05:40:02 1 51.46 0.00 2.79 0.06 0.09 45.60 05:40:02 2 53.72 0.00 3.06 0.22 0.09 42.91 05:40:02 3 54.11 0.00 2.86 0.08 0.09 42.85 Average: all 34.79 0.00 1.79 0.10 0.08 63.24 Average: 0 34.19 0.00 1.60 0.09 0.08 64.04 Average: 1 34.32 0.00 1.76 0.04 0.08 63.81 Average: 2 34.89 0.00 1.93 0.20 0.08 62.90 Average: 3 35.75 0.00 1.88 0.08 0.08 62.20