---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66477 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 15% / 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 654 9919 4 5415 14992 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:61:c6:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84353sec preferred_lft 84353sec inet6 fe80::f816:3eff:fe61:c6bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:22:70:d0:e0:7e 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-66477) 04/04/26 _x86_64_ (4 CPU) 18:21:28 LINUX RESTART (4 CPU) 18:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:12 43.34 0.03 36.97 6.35 0.64 1649.45 129649.08 18:50:01 32.88 0.18 28.46 4.23 5.88 6132.45 38696.32 Average: 38.16 0.11 32.75 5.30 3.24 3870.77 84582.23 18:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:12 8667524 12144824 3813972 23.29 157044 3447984 4068304 23.35 739008 6579664 304 18:50:01 6926044 12105184 3844228 23.48 186044 5034160 3889412 22.33 1312440 7637380 92668 Average: 7796784 12125004 3829100 23.39 171544 4241072 3978858 22.84 1025724 7108522 46486 18:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:12 lo 43.37 43.37 10.51 10.51 0.00 0.00 0.00 0.00 18:40:12 ens3 15.54 11.82 10.67 3.72 0.00 0.00 0.00 0.00 18:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2138.83 2138.83 2033.91 2033.91 0.00 0.00 0.00 0.00 18:50:01 ens3 76.19 59.17 486.21 14.50 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1081.67 1081.67 1013.10 1013.10 0.00 0.00 0.00 0.00 Average: ens3 45.59 35.28 246.30 9.06 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-66477) 04/04/26 _x86_64_ (4 CPU) 18:21:28 LINUX RESTART (4 CPU) 18:30:12 CPU %user %nice %system %iowait %steal %idle 18:40:12 all 22.28 0.00 0.98 0.28 0.08 76.38 18:40:12 0 22.37 0.00 1.06 0.52 0.08 75.97 18:40:12 1 22.05 0.00 0.94 0.21 0.08 76.72 18:40:12 2 22.89 0.00 0.86 0.06 0.08 76.11 18:40:12 3 21.82 0.00 1.05 0.34 0.08 76.71 18:50:01 all 46.46 0.00 2.42 0.09 0.09 50.94 18:50:01 0 47.84 0.00 2.36 0.08 0.09 49.62 18:50:01 1 46.28 0.00 2.85 0.18 0.09 50.60 18:50:01 2 45.83 0.00 2.25 0.05 0.08 51.78 18:50:01 3 45.87 0.00 2.23 0.04 0.09 51.77 Average: all 34.26 0.00 1.70 0.19 0.08 63.77 Average: 0 35.00 0.00 1.71 0.30 0.08 62.91 Average: 1 34.05 0.00 1.89 0.19 0.08 63.78 Average: 2 34.25 0.00 1.55 0.06 0.08 64.06 Average: 3 33.75 0.00 1.64 0.19 0.08 64.34