---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488717 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 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 625 10581 4 4781 15021 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:86:6d:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84771sec preferred_lft 84771sec inet6 fe80::f816:3eff:fe86:6d01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:50:51:21:91:90 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-488717) 03/16/26 _x86_64_ (4 CPU) 09:32:58 LINUX RESTART (4 CPU) 09:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:31 3.52 0.07 3.29 0.16 6.87 608.16 19.19 10:00:01 26.73 0.61 23.48 2.64 28.25 6462.01 8984.71 Average: 14.64 0.33 12.97 1.35 17.11 3413.38 4315.54 09:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:31 9721284 12731716 3232008 19.74 113796 3058836 3549648 20.37 504764 5782316 32 10:00:01 10832464 15372960 584720 3.57 138024 4505796 1099924 6.31 889772 4246536 28544 Average: 10276874 14052338 1908364 11.66 125910 3782316 2324786 13.34 697268 5014426 14288 09:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:31 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 09:50:31 ens3 10.74 8.18 35.24 2.38 0.00 0.00 0.00 0.00 09:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 509.79 509.79 485.72 485.72 0.00 0.00 0.00 0.00 10:00:01 ens3 57.48 42.38 511.69 19.59 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 244.60 244.60 232.95 232.95 0.00 0.00 0.00 0.00 Average: ens3 33.14 24.57 263.56 10.63 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-488717) 03/16/26 _x86_64_ (4 CPU) 09:32:58 LINUX RESTART (4 CPU) 09:40:11 CPU %user %nice %system %iowait %steal %idle 09:50:31 all 47.90 0.00 0.67 0.01 0.08 51.33 09:50:31 0 41.87 0.00 0.60 0.01 0.08 57.44 09:50:31 1 59.79 0.00 0.76 0.01 0.09 39.35 09:50:31 2 44.93 0.00 0.63 0.02 0.08 54.34 09:50:31 3 45.03 0.00 0.70 0.01 0.08 54.18 10:00:01 all 50.73 0.00 1.54 0.12 0.09 47.52 10:00:01 0 46.81 0.00 1.55 0.13 0.08 51.43 10:00:01 1 43.28 0.00 1.60 0.11 0.08 54.94 10:00:01 2 72.17 0.00 1.46 0.21 0.11 26.06 10:00:01 3 40.69 0.00 1.55 0.06 0.08 57.62 Average: all 49.26 0.00 1.09 0.07 0.08 49.50 Average: 0 44.24 0.00 1.06 0.07 0.08 54.55 Average: 1 51.88 0.00 1.16 0.05 0.09 46.82 Average: 2 57.96 0.00 1.03 0.11 0.09 40.82 Average: 3 42.95 0.00 1.11 0.03 0.08 55.83