---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66777 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: 5600.00 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 614 10561 4 4813 15032 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:77:06:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84705sec preferred_lft 84705sec inet6 fe80::f816:3eff:fe77:613/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:0a:78:fc:a4:82 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-66777) 04/06/26 _x86_64_ (4 CPU) 00:26:08 LINUX RESTART (4 CPU) 00:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 17.19 0.15 3.72 13.32 11.18 650.85 240411.81 00:50:02 11.06 0.52 9.94 0.61 18.97 1751.94 1095.25 Average: 14.12 0.33 6.83 6.95 15.08 1202.30 120556.09 00:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 8860248 11851416 4112180 25.12 113808 3042164 4348336 24.96 505224 6665724 1548 00:50:02 9070668 12765704 3193308 19.50 136584 3683920 3362060 19.30 714924 6198704 271584 Average: 8965458 12308560 3652744 22.31 125196 3363042 3855198 22.13 610074 6432214 136566 00:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 00:40:01 ens3 13.56 10.81 78.68 3.32 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:02 lo 164.94 164.94 156.32 156.32 0.00 0.00 0.00 0.00 00:50:02 ens3 37.19 26.05 409.32 4.30 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 82.92 82.92 78.48 78.48 0.00 0.00 0.00 0.00 Average: ens3 25.39 18.44 244.27 3.81 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-66777) 04/06/26 _x86_64_ (4 CPU) 00:26:08 LINUX RESTART (4 CPU) 00:30:02 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 48.35 0.00 0.71 0.03 0.08 50.82 00:40:01 0 39.63 0.00 0.58 0.07 0.07 59.64 00:40:01 1 66.42 0.00 0.83 0.01 0.09 32.66 00:40:01 2 47.88 0.00 0.72 0.03 0.08 51.29 00:40:01 3 39.51 0.00 0.72 0.03 0.08 59.66 00:50:02 all 57.42 0.00 1.03 0.03 0.12 41.39 00:50:02 0 70.15 0.00 0.87 0.01 0.13 28.82 00:50:02 1 60.51 0.00 1.05 0.04 0.12 38.28 00:50:02 2 48.66 0.00 1.11 0.05 0.11 50.07 00:50:02 3 50.39 0.00 1.10 0.04 0.11 48.37 Average: all 52.90 0.00 0.87 0.03 0.10 46.10 Average: 0 54.92 0.00 0.73 0.04 0.10 44.21 Average: 1 63.46 0.00 0.94 0.03 0.10 35.47 Average: 2 48.27 0.00 0.91 0.04 0.09 50.68 Average: 3 44.95 0.00 0.91 0.03 0.09 54.01