---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-59651 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 10425 4 4943 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:23:95:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84860sec preferred_lft 84860sec inet6 fe80::f816:3eff:fe23:9523/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:c2:a9:15:1c:fe 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-59651) 03/05/26 _x86_64_ (4 CPU) 11:58:05 LINUX RESTART (4 CPU) 12:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:01 10.56 1.75 8.41 0.40 490.90 2539.40 392.90 12:20:30 10.23 0.50 9.19 0.55 18.69 1685.07 1466.82 Average: 10.39 1.10 8.81 0.48 245.47 2095.37 951.05 12:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:01 9161512 12283648 3679280 22.47 114652 3171988 3829772 21.98 634868 6228196 7484 12:20:30 8826204 12652308 3306032 20.19 134732 3816620 3468052 19.91 838660 6327228 269348 Average: 8993858 12467978 3492656 21.33 124692 3494304 3648912 20.94 736764 6277712 138416 12:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:01 lo 0.67 0.67 0.40 0.40 0.00 0.00 0.00 0.00 12:10:01 ens3 22.64 17.44 251.28 3.31 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:30 lo 166.67 166.67 158.24 158.24 0.00 0.00 0.00 0.00 12:20:30 ens3 33.16 23.82 390.29 3.26 0.00 0.00 0.00 0.00 12:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 86.94 86.94 82.43 82.43 0.00 0.00 0.00 0.00 Average: ens3 28.11 20.75 323.53 3.28 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-59651) 03/05/26 _x86_64_ (4 CPU) 11:58:05 LINUX RESTART (4 CPU) 12:00:20 CPU %user %nice %system %iowait %steal %idle 12:10:01 all 50.55 0.00 0.90 0.07 0.08 48.39 12:10:01 0 41.86 0.00 0.81 0.09 0.08 57.16 12:10:01 1 46.71 0.00 1.00 0.10 0.08 52.11 12:10:01 2 46.06 0.00 0.83 0.05 0.08 52.98 12:10:01 3 67.58 0.00 0.97 0.06 0.09 31.31 12:20:30 all 50.16 0.00 0.98 0.04 0.08 48.75 12:20:30 0 58.99 0.00 1.09 0.05 0.08 39.79 12:20:30 1 35.36 0.00 0.90 0.04 0.07 63.62 12:20:30 2 63.63 0.00 0.84 0.04 0.08 35.41 12:20:30 3 42.65 0.00 1.07 0.04 0.07 56.16 Average: all 50.35 0.00 0.94 0.06 0.08 48.58 Average: 0 50.76 0.00 0.96 0.07 0.08 48.13 Average: 1 40.81 0.00 0.94 0.07 0.08 58.10 Average: 2 55.19 0.00 0.84 0.04 0.08 43.85 Average: 3 54.64 0.00 1.02 0.05 0.08 44.21