---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28794 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: 5599.94 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 658 10542 4 4788 14988 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:66:dd:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84817sec preferred_lft 84817sec inet6 fe80::f816:3eff:fe66:dd88/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:93:ba:d4:c0:1b 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-28794) 03/24/26 _x86_64_ (4 CPU) 23:04:53 LINUX RESTART (4 CPU) 23:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:04 3.80 0.07 3.55 0.17 7.11 626.35 53.62 23:30:04 19.14 0.52 17.06 1.56 19.01 2408.19 14089.95 Average: 11.46 0.30 10.30 0.87 13.06 1517.05 7070.03 23:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:04 9884976 12894556 3068876 18.74 113416 3058128 3281168 18.83 500344 5647572 1268 23:30:04 9703968 13577288 2382004 14.55 133960 3859860 2514884 14.44 694984 5564976 421736 Average: 9794472 13235922 2725440 16.65 123688 3458994 2898026 16.63 597664 5606274 211502 23:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:04 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 23:20:04 ens3 10.49 8.31 36.28 2.23 0.00 0.00 0.00 0.00 23:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:04 lo 474.59 474.59 452.15 452.15 0.00 0.00 0.00 0.00 23:30:04 ens3 44.23 32.24 482.59 5.38 0.00 0.00 0.00 0.00 23:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 237.54 237.54 226.21 226.21 0.00 0.00 0.00 0.00 Average: ens3 27.36 20.27 259.38 3.80 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-28794) 03/24/26 _x86_64_ (4 CPU) 23:04:53 LINUX RESTART (4 CPU) 23:10:04 CPU %user %nice %system %iowait %steal %idle 23:20:04 all 51.33 0.00 0.68 0.02 0.08 47.89 23:20:04 0 52.91 0.00 0.63 0.02 0.09 46.36 23:20:04 1 52.30 0.00 0.82 0.02 0.09 46.78 23:20:04 2 45.51 0.00 0.49 0.03 0.08 53.89 23:20:04 3 54.60 0.00 0.78 0.02 0.08 44.52 23:30:04 all 55.66 0.00 1.33 0.10 0.08 42.83 23:30:04 0 45.66 0.00 1.24 0.06 0.08 52.96 23:30:04 1 65.72 0.00 1.25 0.11 0.08 32.83 23:30:04 2 52.74 0.00 1.39 0.08 0.08 45.71 23:30:04 3 58.58 0.00 1.44 0.14 0.08 39.76 Average: all 53.49 0.00 1.00 0.06 0.08 45.36 Average: 0 49.28 0.00 0.93 0.04 0.09 49.66 Average: 1 59.00 0.00 1.04 0.06 0.08 39.81 Average: 2 49.12 0.00 0.94 0.05 0.08 49.80 Average: 3 56.59 0.00 1.11 0.08 0.08 42.15