---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54033 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 68G 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 686 10471 4 4831 14960 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:65:89:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84616sec preferred_lft 84616sec inet6 fe80::f816:3eff:fe65:8988/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:57:0f:fa:a2:74 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-54033) 03/29/26 _x86_64_ (4 CPU) 14:02:08 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:12 11.90 0.46 10.38 1.05 17.37 2550.47 428.30 14:30:12 31.06 0.75 25.99 4.32 25.84 3894.45 4858.93 Average: 21.39 0.61 18.12 2.67 21.57 3216.36 2623.51 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:12 10142164 13761512 2194964 13.41 152260 3548300 2471332 14.19 682168 5121692 36392 14:30:12 10794724 15382304 567040 3.46 178580 4426136 1093648 6.28 941660 4111776 212 Average: 10468444 14571908 1381002 8.43 165420 3987218 1782490 10.23 811914 4616734 18302 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:12 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 14:20:12 ens3 74.23 56.61 105.81 24.18 0.00 0.00 0.00 0.00 14:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:12 lo 1729.21 1729.21 1640.37 1640.37 0.00 0.00 0.00 0.00 14:30:12 ens3 106.40 92.77 406.86 157.40 0.00 0.00 0.00 0.00 14:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 857.48 857.48 812.82 812.82 0.00 0.00 0.00 0.00 Average: ens3 90.17 74.53 254.97 90.19 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-54033) 03/29/26 _x86_64_ (4 CPU) 14:02:08 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:12 all 73.05 0.00 2.24 0.04 0.09 24.58 14:20:12 0 73.51 0.00 1.99 0.05 0.09 24.35 14:20:12 1 73.03 0.00 2.26 0.03 0.10 24.58 14:20:12 2 71.55 0.00 2.36 0.06 0.09 25.94 14:20:12 3 74.09 0.00 2.35 0.04 0.09 23.44 14:30:12 all 50.45 0.00 2.24 2.28 0.09 44.94 14:30:12 0 49.51 0.00 1.94 1.19 0.09 47.27 14:30:12 1 50.19 0.00 2.20 0.62 0.09 46.89 14:30:12 2 52.77 0.00 2.50 1.63 0.09 43.01 14:30:12 3 49.32 0.00 2.33 5.69 0.09 42.57 Average: all 61.85 0.00 2.24 1.15 0.09 34.66 Average: 0 61.62 0.00 1.97 0.61 0.09 35.70 Average: 1 61.73 0.00 2.23 0.32 0.10 35.62 Average: 2 62.24 0.00 2.43 0.84 0.09 34.40 Average: 3 61.83 0.00 2.34 2.84 0.09 32.91