---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22334 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 67G 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 689 9232 4 6067 14957 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:da:83:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84547sec preferred_lft 84547sec inet6 fe80::f816:3eff:feda:8329/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:17:85:ad:d0:63 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-22334) 03/24/26 _x86_64_ (4 CPU) 17:23:09 LINUX RESTART (4 CPU) 17:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:10 29.88 0.15 26.45 3.28 6.16 2753.27 14846.48 17:50:23 20.97 0.05 18.21 2.71 2.09 5919.22 5651.64 Average: 25.35 0.10 22.26 2.99 4.09 4362.22 10173.63 17:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:10 8059588 12602792 3349048 20.45 176140 4430916 3672996 21.08 1008164 6841272 290580 17:50:23 9589936 15430532 514524 3.14 208684 5607096 1038680 5.96 1146400 5073872 339752 Average: 8824762 14016662 1931786 11.80 192412 5019006 2355838 13.52 1077282 5957572 315166 17:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:10 lo 1512.13 1512.13 1441.92 1441.92 0.00 0.00 0.00 0.00 17:40:10 ens3 52.14 42.72 208.11 12.43 0.00 0.00 0.00 0.00 17:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:23 lo 390.60 390.60 371.19 371.19 0.00 0.00 0.00 0.00 17:50:23 ens3 50.30 40.83 106.62 13.12 0.00 0.00 0.00 0.00 17:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 942.17 942.17 897.77 897.77 0.00 0.00 0.00 0.00 Average: ens3 51.21 41.76 156.53 12.78 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-22334) 03/24/26 _x86_64_ (4 CPU) 17:23:09 LINUX RESTART (4 CPU) 17:30:16 CPU %user %nice %system %iowait %steal %idle 17:40:10 all 62.85 0.00 2.44 0.06 0.12 34.54 17:40:10 0 61.96 0.00 2.66 0.05 0.12 35.21 17:40:10 1 63.20 0.00 2.02 0.04 0.12 34.63 17:40:10 2 62.90 0.00 2.23 0.08 0.12 34.67 17:40:10 3 63.35 0.00 2.84 0.05 0.12 33.65 17:50:23 all 60.15 0.00 2.09 0.07 0.12 37.56 17:50:23 0 58.83 0.00 1.90 0.10 0.12 39.05 17:50:23 1 63.21 0.00 2.18 0.04 0.12 34.44 17:50:23 2 57.25 0.00 2.07 0.02 0.12 40.54 17:50:23 3 61.33 0.00 2.23 0.12 0.12 36.21 Average: all 61.48 0.00 2.26 0.06 0.12 36.07 Average: 0 60.37 0.00 2.27 0.08 0.12 37.16 Average: 1 63.21 0.00 2.10 0.04 0.12 34.53 Average: 2 60.03 0.00 2.15 0.05 0.12 37.65 Average: 3 62.32 0.00 2.53 0.08 0.12 34.95