---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-43824 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 615 10456 4 4916 15031 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:b9:a4:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84764sec preferred_lft 84764sec inet6 fe80::f816:3eff:feb9:a4c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:e5:1d:87:ac:e3 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-43824) 03/25/26 _x86_64_ (4 CPU) 10:44:17 LINUX RESTART (4 CPU) 10:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:05 3.77 0.07 3.52 0.17 7.09 625.10 44.36 11:10:05 18.51 0.51 16.52 1.48 18.75 2282.37 13233.85 Average: 11.14 0.29 10.02 0.83 12.92 1453.75 6639.16 10:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:05 9550104 12690896 3271824 19.98 115036 3185612 3503140 20.11 564360 5913548 1276 11:10:05 10026132 13595996 2362980 14.43 134768 3567584 2507468 14.39 739172 5216992 16872 Average: 9788118 13143446 2817402 17.21 124902 3376598 3005304 17.25 651766 5565270 9074 10:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:05 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 11:00:05 ens3 9.71 8.47 36.40 2.41 0.00 0.00 0.00 0.00 11:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:05 lo 490.50 490.50 467.36 467.36 0.00 0.00 0.00 0.00 11:10:05 ens3 38.21 28.32 408.36 3.97 0.00 0.00 0.00 0.00 11:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 245.56 245.56 233.87 233.87 0.00 0.00 0.00 0.00 Average: ens3 23.96 18.39 222.39 3.19 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-43824) 03/25/26 _x86_64_ (4 CPU) 10:44:17 LINUX RESTART (4 CPU) 10:50:05 CPU %user %nice %system %iowait %steal %idle 11:00:05 all 52.83 0.00 0.72 0.01 0.09 46.34 11:00:05 0 55.95 0.00 0.72 0.01 0.09 43.23 11:00:05 1 63.48 0.00 0.89 0.01 0.10 35.52 11:00:05 2 44.74 0.00 0.65 0.03 0.09 54.49 11:00:05 3 47.14 0.00 0.63 0.01 0.08 52.14 11:10:05 all 56.20 0.00 1.26 0.05 0.09 42.40 11:10:05 0 80.29 0.00 1.15 0.04 0.10 18.43 11:10:05 1 42.64 0.00 1.66 0.09 0.08 55.53 11:10:05 2 51.88 0.00 1.11 0.05 0.08 46.88 11:10:05 3 50.03 0.00 1.12 0.03 0.08 48.75 Average: all 54.52 0.00 0.99 0.03 0.09 44.37 Average: 0 68.11 0.00 0.93 0.02 0.09 30.84 Average: 1 53.07 0.00 1.27 0.05 0.09 45.52 Average: 2 48.31 0.00 0.88 0.04 0.08 50.68 Average: 3 48.58 0.00 0.87 0.02 0.08 50.45