---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6381 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 622 10157 4 5208 15024 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:1f:5e:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84770sec preferred_lft 84770sec inet6 fe80::f816:3eff:fe1f:5e06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:a6:ca:09:01:ad 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-6381) 03/20/26 _x86_64_ (4 CPU) 09:55:45 LINUX RESTART (4 CPU) 10:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:14 9.96 0.66 8.49 0.81 606.68 1647.04 12326.83 10:20:14 15.88 0.52 14.24 1.11 19.04 2150.91 5356.85 Average: 12.92 0.59 11.37 0.96 312.86 1898.97 8841.84 10:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:14 8165308 11603372 4357328 26.61 119388 3477844 4559100 26.17 720344 7140772 1060 10:20:14 8605180 12745296 3211292 19.61 139008 4121648 3341088 19.18 938452 6439496 255224 Average: 8385244 12174334 3784310 23.11 129198 3799746 3950094 22.67 829398 6790134 128142 10:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:14 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 10:10:14 ens3 40.82 26.81 351.56 3.84 0.00 0.00 0.00 0.00 10:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:14 lo 424.55 424.55 404.68 404.68 0.00 0.00 0.00 0.00 10:20:14 ens3 34.54 25.79 413.12 3.64 0.00 0.00 0.00 0.00 10:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 212.61 212.61 202.53 202.53 0.00 0.00 0.00 0.00 Average: ens3 37.68 26.30 382.34 3.74 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-6381) 03/20/26 _x86_64_ (4 CPU) 09:55:45 LINUX RESTART (4 CPU) 10:00:14 CPU %user %nice %system %iowait %steal %idle 10:10:14 all 47.48 0.00 0.96 0.06 0.08 51.42 10:10:14 0 56.67 0.00 0.99 0.03 0.08 42.23 10:10:14 1 49.28 0.00 0.90 0.02 0.08 49.73 10:10:14 2 38.03 0.00 0.86 0.15 0.08 60.88 10:10:14 3 45.95 0.00 1.10 0.03 0.08 52.84 10:20:14 all 52.97 0.00 1.21 0.04 0.09 45.68 10:20:14 0 48.34 0.00 1.13 0.03 0.09 50.40 10:20:14 1 46.74 0.00 1.37 0.08 0.08 51.74 10:20:14 2 78.26 0.00 1.19 0.02 0.11 20.43 10:20:14 3 38.53 0.00 1.16 0.03 0.09 60.19 Average: all 50.23 0.00 1.09 0.05 0.09 48.55 Average: 0 52.51 0.00 1.06 0.03 0.09 46.31 Average: 1 48.01 0.00 1.13 0.05 0.08 50.73 Average: 2 58.14 0.00 1.03 0.09 0.09 40.65 Average: 3 42.24 0.00 1.13 0.03 0.08 56.52