---> uname -a: Linux prd-queue-disttest-2c-1g-25693 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 700 5435 4 2094 7241 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:6f:3f:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82524sec preferred_lft 82524sec inet6 fe80::f816:3eff:fe6f:3f5e/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-25693) 06/08/26 _x86_64_ (2 CPU) 00:33:51 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:28 1.31 0.01 1.29 0.01 1.06 15.82 0.28 01:00:08 1.44 0.00 1.41 0.04 0.00 18.29 1.37 01:10:01 1.27 0.00 1.25 0.02 0.00 15.91 1.24 01:20:28 1.18 0.00 1.16 0.02 0.01 15.00 1.20 01:30:28 14.50 0.00 1.54 12.96 0.15 19.65 107504.55 Average: 3.92 0.00 1.33 2.59 0.25 16.90 21306.70 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:28 5662996 7494580 290720 3.57 63568 1944456 534876 5.83 472144 1716368 132 01:00:08 5660468 7492604 292656 3.60 63752 1944792 535012 5.83 472184 1716888 260 01:10:01 5664036 7496676 288564 3.55 63924 1945120 590088 6.43 477472 1717380 192 01:20:28 5663532 7496668 288600 3.55 64080 1945440 535012 5.83 472232 1717864 184 01:30:28 5658452 7492292 292816 3.60 64256 1945944 535012 5.83 472508 1718388 128 Average: 5661897 7494564 290671 3.57 63916 1945150 546000 5.95 473308 1717378 179 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:28 ens3 1.53 0.09 0.20 0.08 0.00 0.00 0.00 0.00 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.49 0.05 0.08 0.03 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 0.36 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:28 ens3 0.47 0.11 0.14 0.06 0.00 0.00 0.00 0.00 01:30:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:28 ens3 0.25 0.05 0.07 0.03 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 0.63 0.07 0.11 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-25693) 06/08/26 _x86_64_ (2 CPU) 00:33:51 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:28 all 0.23 0.00 0.08 0.01 0.03 99.66 00:50:28 0 0.39 0.00 0.07 0.00 0.02 99.52 00:50:28 1 0.06 0.00 0.08 0.01 0.04 99.80 01:00:08 all 0.24 0.00 0.16 0.01 0.03 99.55 01:00:08 0 0.39 0.00 0.15 0.00 0.02 99.43 01:00:08 1 0.09 0.00 0.18 0.01 0.04 99.68 01:10:01 all 0.25 0.00 0.07 0.01 0.03 99.64 01:10:01 0 0.21 0.00 0.07 0.01 0.04 99.68 01:10:01 1 0.30 0.00 0.07 0.01 0.03 99.60 01:20:28 all 0.23 0.00 0.07 0.01 0.03 99.66 01:20:28 0 0.05 0.00 0.08 0.00 0.04 99.83 01:20:28 1 0.41 0.00 0.05 0.01 0.03 99.50 01:30:28 all 0.23 0.00 0.18 0.03 0.04 99.53 01:30:28 0 0.35 0.00 0.18 0.05 0.04 99.39 01:30:28 1 0.11 0.00 0.18 0.01 0.04 99.67 Average: all 0.24 0.00 0.11 0.01 0.03 99.61 Average: 0 0.28 0.00 0.11 0.01 0.03 99.57 Average: 1 0.19 0.00 0.11 0.01 0.03 99.65