---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12156 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 10448 4 4915 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:c8:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84822sec preferred_lft 84822sec inet6 fe80::f816:3eff:fe86:c85e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:2c:ad:31:e0:d7 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-12156) 03/23/26 _x86_64_ (4 CPU) 07:44:19 LINUX RESTART (4 CPU) 07:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:07 3.89 0.07 3.64 0.17 7.11 631.31 28.81 08:10:07 23.29 0.58 20.60 2.11 26.83 4822.68 12251.72 Average: 13.59 0.33 12.12 1.14 16.97 2726.99 6140.27 07:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:07 9529456 12668100 3294560 20.12 114916 3183700 3523984 20.23 564488 5931036 112 08:10:07 10745320 15419436 536840 3.28 138052 4636396 1051612 6.04 941408 4279972 421036 Average: 10137388 14043768 1915700 11.70 126484 3910048 2287798 13.13 752948 5105504 210574 07:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:07 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 08:00:07 ens3 9.22 7.93 36.31 2.30 0.00 0.00 0.00 0.00 08:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:07 lo 509.50 509.50 485.43 485.43 0.00 0.00 0.00 0.00 08:10:07 ens3 43.83 34.12 485.06 17.87 0.00 0.00 0.00 0.00 08:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 255.06 255.06 242.91 242.91 0.00 0.00 0.00 0.00 Average: ens3 26.53 21.03 260.69 10.08 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-12156) 03/23/26 _x86_64_ (4 CPU) 07:44:19 LINUX RESTART (4 CPU) 07:50:07 CPU %user %nice %system %iowait %steal %idle 08:00:07 all 48.12 0.00 0.74 0.01 0.08 51.05 08:00:07 0 45.32 0.00 0.81 0.02 0.08 53.77 08:00:07 1 42.13 0.00 0.65 0.01 0.08 57.13 08:00:07 2 57.02 0.00 0.79 0.01 0.09 42.09 08:00:07 3 48.00 0.00 0.70 0.02 0.08 51.20 08:10:07 all 51.02 0.00 1.42 0.09 0.08 47.39 08:10:07 0 46.32 0.00 1.37 0.08 0.08 52.16 08:10:07 1 40.40 0.00 1.33 0.07 0.08 58.13 08:10:07 2 55.75 0.00 1.39 0.06 0.08 42.72 08:10:07 3 61.63 0.00 1.60 0.16 0.09 36.52 Average: all 49.57 0.00 1.08 0.05 0.08 49.22 Average: 0 45.82 0.00 1.09 0.05 0.08 52.97 Average: 1 41.27 0.00 0.99 0.04 0.08 57.63 Average: 2 56.39 0.00 1.09 0.04 0.08 42.41 Average: 3 54.82 0.00 1.15 0.09 0.09 43.86