---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-5011 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 1020K 1.6G 1% /run /dev/vda1 78G 12G 66G 16% / 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 584 8671 4 6732 15062 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:a9:85:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.165/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82967sec preferred_lft 82967sec inet6 fe80::f816:3eff:fea9:85cf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-5011) 08/08/26 _x86_64_ (4 CPU) 10:32:21 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:03 2.81 0.58 2.23 0.00 18.51 281.14 0.44 11:00:03 1.25 0.02 1.23 0.00 0.67 17.03 0.00 11:10:01 3.96 0.88 2.99 0.10 75.00 538.80 17.84 11:20:03 10.83 0.10 10.46 0.28 2.23 3233.91 2171.89 Average: 4.72 0.39 4.23 0.10 24.04 1019.13 548.71 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:03 11756980 14417044 1556216 9.50 107124 2736572 1766884 10.14 361720 3926336 188 11:00:03 11700332 14361756 1610992 9.84 107520 2737236 1781552 10.23 373124 3966460 196 11:10:01 11212292 14047732 1921884 11.74 116664 2888276 2058364 11.81 454824 4370272 212 11:20:03 8737824 13428316 2525724 15.43 199768 4485488 2445676 14.04 713460 6379904 866468 Average: 10851857 14063712 1903704 11.63 132769 3211893 2013119 11.56 475782 4660743 216766 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:50:03 ens3 9.17 7.51 112.57 1.15 0.00 0.00 0.00 0.00 11:00:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:00:03 ens3 1.88 1.50 0.93 1.60 0.00 0.00 0.00 0.00 11:10:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 11:10:01 ens3 21.71 17.72 109.27 4.83 0.00 0.00 0.00 0.00 11:20:03 lo 0.52 0.52 0.07 0.07 0.00 0.00 0.00 0.00 11:20:03 ens3 68.32 53.46 247.73 13.79 0.00 0.00 0.00 0.00 Average: lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 25.29 20.06 117.72 5.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-5011) 08/08/26 _x86_64_ (4 CPU) 10:32:21 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:03 all 0.78 0.00 0.06 0.04 0.02 99.10 10:50:03 0 0.87 0.00 0.03 0.02 0.01 99.07 10:50:03 1 0.99 0.00 0.08 0.04 0.02 98.86 10:50:03 2 0.56 0.00 0.06 0.04 0.01 99.33 10:50:03 3 0.70 0.00 0.09 0.05 0.02 99.14 11:00:03 all 0.30 0.00 0.04 0.03 0.02 99.62 11:00:03 0 0.50 0.00 0.03 0.02 0.02 99.44 11:00:03 1 0.26 0.00 0.04 0.01 0.01 99.68 11:00:03 2 0.28 0.00 0.03 0.01 0.02 99.67 11:00:03 3 0.17 0.00 0.04 0.08 0.02 99.70 11:10:01 all 7.24 0.00 0.27 0.06 0.03 92.41 11:10:01 0 7.11 0.00 0.24 0.08 0.04 92.53 11:10:01 1 6.86 0.00 0.27 0.01 0.03 92.83 11:10:01 2 7.39 0.00 0.22 0.08 0.02 92.28 11:10:01 3 7.59 0.00 0.33 0.06 0.02 91.99 11:20:03 all 22.87 0.00 1.30 0.09 0.05 75.69 11:20:03 0 22.48 0.00 1.32 0.11 0.06 76.03 11:20:03 1 22.23 0.00 1.24 0.08 0.05 76.40 11:20:03 2 24.23 0.00 1.36 0.07 0.05 74.29 11:20:03 3 22.55 0.00 1.26 0.09 0.05 76.04 Average: all 7.80 0.00 0.42 0.05 0.03 91.71 Average: 0 7.73 0.00 0.40 0.06 0.03 91.78 Average: 1 7.59 0.00 0.41 0.03 0.03 91.94 Average: 2 8.12 0.00 0.42 0.05 0.03 91.39 Average: 3 7.76 0.00 0.43 0.07 0.03 91.72