---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4242 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 9.9G 68G 13% / 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 627 10997 4 4363 15018 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:1b:e6:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84872sec preferred_lft 84872sec inet6 fe80::f816:3eff:fe1b:e667/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:18:c4:e1:8f:e4 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-4242) 04/18/26 _x86_64_ (4 CPU) 10:47:23 LINUX RESTART (4 CPU) 10:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:10 20.39 0.63 6.15 13.60 426.11 1285.07 239559.71 11:10:00 13.50 0.53 12.14 0.83 19.37 1969.85 5145.59 Average: 16.97 0.58 9.12 7.27 224.60 1624.31 123428.03 10:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:10 7565416 10708788 5254272 32.09 110220 3203380 5489104 31.51 618240 7855632 24 11:10:00 7983864 11841556 4117304 25.15 129144 3860372 4337656 24.90 832124 7182796 268836 Average: 7774640 11275172 4685788 28.62 119682 3531876 4913380 28.20 725182 7519214 134430 10:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:10 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 11:00:10 ens3 27.47 18.81 210.89 3.86 0.00 0.00 0.00 0.00 11:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 314.43 314.43 299.43 299.43 0.00 0.00 0.00 0.00 11:10:00 ens3 47.93 30.68 443.04 5.50 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 156.09 156.09 148.53 148.53 0.00 0.00 0.00 0.00 Average: ens3 37.61 24.69 325.90 4.67 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-4242) 04/18/26 _x86_64_ (4 CPU) 10:47:23 LINUX RESTART (4 CPU) 10:50:10 CPU %user %nice %system %iowait %steal %idle 11:00:10 all 47.64 0.00 0.80 0.10 0.08 51.38 11:00:10 0 37.72 0.00 0.77 0.10 0.08 61.33 11:00:10 1 56.97 0.00 0.93 0.10 0.09 41.91 11:00:10 2 49.32 0.00 0.78 0.04 0.08 49.78 11:00:10 3 46.55 0.00 0.72 0.15 0.09 52.49 11:10:00 all 49.12 0.00 1.04 0.06 0.08 49.71 11:10:00 0 37.96 0.00 1.02 0.06 0.08 60.88 11:10:00 1 61.86 0.00 0.96 0.07 0.10 37.01 11:10:00 2 37.74 0.00 0.99 0.05 0.07 61.16 11:10:00 3 58.90 0.00 1.18 0.05 0.08 39.78 Average: all 48.37 0.00 0.92 0.08 0.08 50.55 Average: 0 37.84 0.00 0.89 0.08 0.08 61.10 Average: 1 59.39 0.00 0.95 0.08 0.09 39.49 Average: 2 43.59 0.00 0.88 0.04 0.08 55.41 Average: 3 52.66 0.00 0.95 0.10 0.09 46.20