---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488740 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 630 10356 4 5002 15016 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:41:dc:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:fe41:dc67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:17:1e:a4:a6:9f 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-488740) 03/16/26 _x86_64_ (4 CPU) 09:33:47 LINUX RESTART (4 CPU) 09:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:02 4.03 0.10 3.77 0.16 8.47 647.48 30.89 10:00:02 16.15 0.52 14.46 1.17 18.99 2218.01 4202.04 Average: 10.09 0.31 9.11 0.67 13.73 1432.73 2116.43 09:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:02 8282908 11476984 4485712 27.40 115356 3241624 5017144 28.80 632116 7116704 236 10:00:02 9930172 13567296 2391744 14.61 135608 3634628 2506672 14.39 809784 5251976 13636 Average: 9106540 12522140 3438728 21.00 125482 3438126 3761908 21.59 720950 6184340 6936 09:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:02 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 09:50:02 ens3 12.43 10.20 77.46 2.37 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:02 lo 349.72 349.72 332.97 332.97 0.00 0.00 0.00 0.00 10:00:02 ens3 37.34 28.75 409.43 3.88 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 175.16 175.16 166.67 166.67 0.00 0.00 0.00 0.00 Average: ens3 24.88 19.47 243.44 3.13 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-488740) 03/16/26 _x86_64_ (4 CPU) 09:33:47 LINUX RESTART (4 CPU) 09:40:02 CPU %user %nice %system %iowait %steal %idle 09:50:02 all 47.14 0.00 0.65 0.02 0.07 52.11 09:50:02 0 42.72 0.00 0.60 0.01 0.08 56.59 09:50:02 1 44.23 0.00 0.74 0.03 0.07 54.93 09:50:02 2 45.53 0.00 0.54 0.02 0.07 53.85 09:50:02 3 56.09 0.00 0.73 0.03 0.07 43.09 10:00:02 all 57.31 0.00 1.17 0.06 0.08 41.38 10:00:02 0 53.49 0.00 1.26 0.05 0.08 45.12 10:00:02 1 76.22 0.00 1.11 0.12 0.08 22.46 10:00:02 2 49.48 0.00 1.30 0.04 0.08 49.10 10:00:02 3 50.05 0.00 1.02 0.03 0.08 48.82 Average: all 52.22 0.00 0.91 0.04 0.08 46.75 Average: 0 48.10 0.00 0.93 0.03 0.08 50.86 Average: 1 60.21 0.00 0.92 0.08 0.08 38.71 Average: 2 47.50 0.00 0.92 0.03 0.07 51.47 Average: 3 53.07 0.00 0.87 0.03 0.08 45.96