---> uname -a: Linux prd-queue-disttest-2c-1g-52902 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.8G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 694 5522 4 2008 7247 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:3c:38:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82608sec preferred_lft 82608sec inet6 fe80::f816:3eff:fe3c:3889/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-52902) 03/26/26 _x86_64_ (2 CPU) 00:35:31 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:18 2.06 0.33 1.71 0.01 39.11 73.14 0.31 01:00:18 14.57 0.01 1.65 12.91 0.20 19.12 107858.00 01:10:01 1.33 0.00 1.32 0.01 0.00 15.55 0.49 01:20:18 1.40 0.00 1.38 0.02 0.01 16.32 1.17 01:30:19 1.60 0.00 1.56 0.03 0.00 19.79 1.42 Average: 4.18 0.07 1.53 2.58 8.05 29.05 21428.12 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:18 5748616 7492360 298188 3.67 61772 1862100 723204 7.88 479624 1630124 124 01:00:18 5748420 7492744 297532 3.66 61940 1862476 721928 7.86 478272 1630640 124 01:10:01 5763820 7508640 281632 3.46 62104 1862800 721928 7.86 478404 1631128 240 01:20:18 5770932 7516264 274000 3.37 62284 1863128 721924 7.86 478608 1631636 124 01:30:19 5759612 7505608 284660 3.50 62472 1863588 721932 7.86 478552 1632156 216 Average: 5758280 7503123 287202 3.53 62114 1862818 722183 7.87 478692 1631137 166 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:18 ens3 2.85 0.51 3.54 0.30 0.00 0.00 0.00 0.00 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.76 0.09 0.10 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.44 0.10 0.14 0.08 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.26 0.06 0.07 0.04 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.93 0.16 0.80 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-52902) 03/26/26 _x86_64_ (2 CPU) 00:35:31 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:18 all 0.35 0.00 0.11 0.02 0.04 99.48 00:50:18 0 0.16 0.00 0.09 0.03 0.04 99.69 00:50:18 1 0.55 0.00 0.12 0.02 0.04 99.28 01:00:18 all 0.29 0.00 0.18 0.03 0.03 99.47 01:00:18 0 0.29 0.00 0.19 0.03 0.03 99.46 01:00:18 1 0.29 0.00 0.17 0.02 0.04 99.48 01:10:01 all 0.27 0.00 0.07 0.01 0.03 99.63 01:10:01 0 0.48 0.00 0.05 0.00 0.02 99.45 01:10:01 1 0.05 0.00 0.09 0.01 0.04 99.81 01:20:18 all 0.24 0.00 0.07 0.01 0.03 99.65 01:20:18 0 0.44 0.00 0.05 0.00 0.02 99.49 01:20:18 1 0.05 0.00 0.09 0.01 0.04 99.82 01:30:19 all 0.23 0.00 0.17 0.01 0.04 99.56 01:30:19 0 0.40 0.00 0.13 0.01 0.02 99.43 01:30:19 1 0.07 0.00 0.20 0.01 0.05 99.68 Average: all 0.28 0.00 0.12 0.01 0.03 99.56 Average: 0 0.35 0.00 0.10 0.01 0.03 99.50 Average: 1 0.20 0.00 0.13 0.01 0.04 99.61