---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-471561 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 8.4G 69G 11% / 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 658 12792 4 2538 15006 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:87:84:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84204sec preferred_lft 84204sec inet6 fe80::f816:3eff:fe87:84f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:6d:28:8f:3a:55 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-builder-4c-4g-471561) 03/14/26 _x86_64_ (4 CPU) 12:03:54 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:04 1.11 0.01 1.10 0.00 0.05 13.91 0.13 12:30:04 0.97 0.00 0.97 0.00 0.00 12.57 0.00 12:40:04 31.93 1.46 29.61 0.86 112.32 1351.89 379.87 Average: 11.32 0.49 10.54 0.29 37.40 458.73 126.46 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:04 13778220 15518528 500772 3.06 53736 1913800 1129060 6.48 193344 2154060 228 12:30:04 13776736 15517404 501912 3.07 54080 1913808 1129160 6.48 193692 2154252 260 12:40:04 13140124 15347464 642256 3.92 85212 2324404 1254636 7.20 268084 2689800 142952 Average: 13565027 15461132 548313 3.35 64343 2050671 1170952 6.72 218373 2332704 47813 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:04 ens3 2.13 0.98 0.53 1.19 0.00 0.00 0.00 0.00 12:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:04 ens3 2.31 0.49 0.66 0.38 0.00 0.00 0.00 0.00 12:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:04 lo 0.23 0.23 0.03 0.03 0.00 0.00 0.00 0.00 12:40:04 ens3 27.48 20.98 170.91 6.64 0.00 0.00 0.00 0.00 12:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.14 0.14 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 10.63 7.47 57.27 2.74 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-builder-4c-4g-471561) 03/14/26 _x86_64_ (4 CPU) 12:03:54 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:04 all 0.22 0.00 0.03 0.03 0.02 99.71 12:20:04 0 0.05 0.00 0.02 0.06 0.01 99.85 12:20:04 1 0.04 0.00 0.03 0.04 0.02 99.88 12:20:04 2 0.38 0.00 0.04 0.00 0.02 99.56 12:20:04 3 0.41 0.00 0.01 0.00 0.01 99.56 12:30:04 all 0.10 0.00 0.02 0.05 0.02 99.81 12:30:04 0 0.04 0.00 0.02 0.02 0.02 99.91 12:30:04 1 0.27 0.00 0.02 0.02 0.02 99.67 12:30:04 2 0.07 0.00 0.02 0.17 0.02 99.72 12:30:04 3 0.01 0.00 0.02 0.01 0.01 99.95 12:40:04 all 2.49 0.00 0.27 0.29 0.02 96.94 12:40:04 0 2.48 0.00 0.32 0.04 0.02 97.14 12:40:04 1 0.71 0.00 0.12 0.02 0.03 99.13 12:40:04 2 2.23 0.00 0.23 0.08 0.02 97.45 12:40:04 3 4.51 0.00 0.41 1.00 0.02 94.05 Average: all 0.93 0.00 0.11 0.12 0.02 98.82 Average: 0 0.86 0.00 0.12 0.04 0.01 98.97 Average: 1 0.34 0.00 0.06 0.02 0.02 99.56 Average: 2 0.89 0.00 0.10 0.08 0.02 98.91 Average: 3 1.64 0.00 0.15 0.34 0.01 97.86