---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488749 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 612 10379 4 4997 15034 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:93:90:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:fe93:906f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:d4:5d:7c:4c:6c 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-488749) 03/16/26 _x86_64_ (4 CPU) 09:34:29 LINUX RESTART (4 CPU) 09:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:08 4.08 0.10 3.82 0.16 8.38 640.36 24.69 10:00:08 13.41 0.52 12.00 0.90 18.99 2010.29 4883.80 Average: 8.72 0.31 7.89 0.53 13.66 1322.00 2442.46 09:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:08 8359016 11547480 4415476 26.97 115032 3236228 4588360 26.34 627052 7047716 300 10:00:08 8800528 12707436 3251124 19.86 134468 3896164 3408692 19.57 845468 6343732 272316 Average: 8579772 12127458 3833300 23.41 124750 3566196 3998526 22.95 736260 6695724 136308 09:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:08 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 09:50:08 ens3 11.96 9.79 76.77 2.38 0.00 0.00 0.00 0.00 09:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:08 lo 280.09 280.09 266.71 266.71 0.00 0.00 0.00 0.00 10:00:08 ens3 33.19 26.15 409.10 3.66 0.00 0.00 0.00 0.00 10:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 139.67 139.67 132.89 132.89 0.00 0.00 0.00 0.00 Average: ens3 22.52 17.93 242.13 3.02 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-488749) 03/16/26 _x86_64_ (4 CPU) 09:34:29 LINUX RESTART (4 CPU) 09:40:02 CPU %user %nice %system %iowait %steal %idle 09:50:08 all 46.83 0.00 0.67 0.02 0.08 52.40 09:50:08 0 41.45 0.00 0.67 0.01 0.08 57.80 09:50:08 1 38.75 0.00 0.65 0.03 0.08 60.49 09:50:08 2 41.32 0.00 0.64 0.03 0.08 57.92 09:50:08 3 65.81 0.00 0.74 0.01 0.08 33.36 10:00:08 all 57.31 0.00 1.10 0.05 0.08 41.46 10:00:08 0 49.61 0.00 1.07 0.02 0.08 49.23 10:00:08 1 47.56 0.00 1.02 0.05 0.08 51.30 10:00:08 2 77.40 0.00 1.19 0.04 0.09 21.27 10:00:08 3 54.72 0.00 1.12 0.09 0.08 43.98 Average: all 52.04 0.00 0.89 0.04 0.08 46.95 Average: 0 45.51 0.00 0.87 0.01 0.08 53.53 Average: 1 43.13 0.00 0.83 0.04 0.08 55.92 Average: 2 59.27 0.00 0.92 0.04 0.08 39.70 Average: 3 60.30 0.00 0.93 0.05 0.08 38.64