---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1573 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 701 9913 4 5374 14945 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:2d:f6:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84208sec preferred_lft 84208sec inet6 fe80::f816:3eff:fe2d:f637/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:7b:3a:bf:4d: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 inet6 fe80::6c7b:3aff:febf:4dad/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1573) 03/18/26 _x86_64_ (4 CPU) 09:21:08 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:26 1.74 0.00 1.71 0.02 0.04 20.80 0.86 09:50:26 1.58 0.00 1.56 0.02 0.00 18.27 0.15 Average: 1.66 0.00 1.64 0.02 0.02 19.56 0.51 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:26 10186656 15325796 621364 3.80 175188 4955196 1382144 7.93 550684 5095696 12 09:50:26 10185148 15324628 622552 3.80 175508 4955208 1382532 7.94 551004 5097148 12 Average: 10185902 15325212 621958 3.80 175348 4955202 1382338 7.93 550844 5096422 12 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:26 ens3 0.51 0.15 0.11 0.06 0.00 0.00 0.00 0.00 09:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:50:26 ens3 0.37 0.10 0.05 0.02 0.00 0.00 0.00 0.00 09:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.44 0.13 0.08 0.04 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-16g-1573) 03/18/26 _x86_64_ (4 CPU) 09:21:08 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:26 all 0.18 0.00 0.04 0.23 0.02 99.53 09:40:26 0 0.11 0.00 0.05 0.18 0.01 99.64 09:40:26 1 0.42 0.00 0.04 0.69 0.01 98.83 09:40:26 2 0.09 0.00 0.04 0.02 0.02 99.83 09:40:26 3 0.10 0.00 0.04 0.01 0.02 99.83 09:50:26 all 0.24 0.00 0.04 0.06 0.01 99.65 09:50:26 0 0.06 0.00 0.04 0.01 0.01 99.88 09:50:26 1 0.09 0.00 0.04 0.16 0.02 99.69 09:50:26 2 0.18 0.00 0.06 0.00 0.02 99.74 09:50:26 3 0.61 0.00 0.03 0.06 0.01 99.29 Average: all 0.21 0.00 0.04 0.15 0.02 99.59 Average: 0 0.09 0.00 0.05 0.10 0.01 99.76 Average: 1 0.26 0.00 0.04 0.43 0.02 99.25 Average: 2 0.14 0.00 0.05 0.01 0.02 99.79 Average: 3 0.35 0.00 0.03 0.04 0.02 99.56