---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15444 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 626 10572 4 4789 15019 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:6f:52:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84565sec preferred_lft 84565sec inet6 fe80::f816:3eff:fe6f:52f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:d9:a0:70:ec:91 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-15444) 03/23/26 _x86_64_ (4 CPU) 17:32:06 LINUX RESTART (4 CPU) 17:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:01 3.67 0.06 3.44 0.16 6.71 548.07 37.21 18:00:11 21.17 0.50 18.93 1.73 18.65 4099.52 21817.22 Average: 12.50 0.29 11.25 0.96 12.73 2338.99 11020.41 17:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:01 9521504 12539476 3424128 20.91 115004 3063940 3600860 20.67 509104 5992956 656 18:00:11 10123236 13565256 2394440 14.62 134628 3442092 2504140 14.37 683180 5173608 11084 Average: 9822370 13052366 2909284 17.77 124816 3253016 3052500 17.52 596142 5583282 5870 17:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:01 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 17:50:01 ens3 10.94 8.48 36.69 2.25 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:11 lo 536.40 536.40 511.19 511.19 0.00 0.00 0.00 0.00 18:00:11 ens3 40.88 28.63 402.34 4.53 0.00 0.00 0.00 0.00 18:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 270.78 270.78 257.97 257.97 0.00 0.00 0.00 0.00 Average: ens3 26.04 18.64 221.08 3.40 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-15444) 03/23/26 _x86_64_ (4 CPU) 17:32:06 LINUX RESTART (4 CPU) 17:40:01 CPU %user %nice %system %iowait %steal %idle 17:50:01 all 49.01 0.00 0.64 0.07 0.09 50.19 17:50:01 0 58.10 0.00 0.66 0.03 0.09 41.12 17:50:01 1 45.96 0.00 0.56 0.19 0.09 53.20 17:50:01 2 38.92 0.00 0.68 0.05 0.09 60.25 17:50:01 3 53.00 0.00 0.64 0.03 0.09 46.24 18:00:11 all 50.28 0.00 1.30 6.20 0.10 42.13 18:00:11 0 44.40 0.00 1.21 8.54 0.09 45.76 18:00:11 1 44.67 0.00 1.39 3.99 0.10 49.85 18:00:11 2 45.51 0.00 1.20 8.68 0.10 44.51 18:00:11 3 66.52 0.00 1.39 3.58 0.11 28.39 Average: all 49.65 0.00 0.97 3.16 0.10 46.13 Average: 0 51.21 0.00 0.93 4.31 0.09 43.45 Average: 1 45.31 0.00 0.98 2.10 0.09 51.51 Average: 2 42.25 0.00 0.95 4.40 0.10 52.31 Average: 3 59.81 0.00 1.02 1.82 0.10 37.24