---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37547 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 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 620 10364 4 5004 15026 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:e6:a1:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84707sec preferred_lft 84707sec inet6 fe80::f816:3eff:fee6:a153/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:6b:e3:01:c6:db 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-37547) 03/25/26 _x86_64_ (4 CPU) 09:45:19 LINUX RESTART (4 CPU) 09:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:20 5.81 0.48 4.97 0.37 405.67 875.97 341.96 10:10:14 10.89 0.53 9.76 0.61 19.25 1773.84 1765.32 Average: 8.33 0.50 7.34 0.49 214.51 1320.13 1046.06 09:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:20 8090680 11280340 4681764 28.59 115012 3237420 4813940 27.63 626608 7308300 368 10:10:14 8802228 12689472 3268404 19.96 134740 3876400 3367892 19.33 832768 6333008 264376 Average: 8446454 11984906 3975084 24.28 124876 3556910 4090916 23.48 729688 6820654 132372 09:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:20 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 10:00:20 ens3 17.70 12.59 162.50 2.58 0.00 0.00 0.00 0.00 10:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:14 lo 205.22 205.22 195.30 195.30 0.00 0.00 0.00 0.00 10:10:14 ens3 37.15 25.69 413.90 3.66 0.00 0.00 0.00 0.00 10:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 101.82 101.82 96.80 96.80 0.00 0.00 0.00 0.00 Average: ens3 27.32 19.07 286.86 3.12 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-37547) 03/25/26 _x86_64_ (4 CPU) 09:45:19 LINUX RESTART (4 CPU) 09:50:14 CPU %user %nice %system %iowait %steal %idle 10:00:20 all 48.75 0.00 0.73 0.04 0.10 50.37 10:00:20 0 41.93 0.00 0.68 0.01 0.09 57.28 10:00:20 1 61.24 0.00 0.80 0.07 0.12 37.77 10:00:20 2 51.46 0.00 0.78 0.02 0.11 47.63 10:00:20 3 40.39 0.00 0.65 0.07 0.10 58.79 10:10:14 all 58.87 0.00 1.00 0.06 0.11 39.96 10:10:14 0 47.41 0.00 0.98 0.08 0.10 51.43 10:10:14 1 66.14 0.00 1.00 0.05 0.11 32.70 10:10:14 2 70.59 0.00 1.03 0.02 0.12 28.24 10:10:14 3 51.33 0.00 1.00 0.08 0.10 47.49 Average: all 53.75 0.00 0.86 0.05 0.11 45.23 Average: 0 44.64 0.00 0.83 0.04 0.10 54.39 Average: 1 63.67 0.00 0.90 0.06 0.11 35.26 Average: 2 60.91 0.00 0.90 0.02 0.11 38.05 Average: 3 45.79 0.00 0.82 0.07 0.10 53.21