---> uname -a: Linux prd-queue-disttest-2c-1g-53405 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 710 5502 4 2012 7231 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:11:e0:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82537sec preferred_lft 82537sec inet6 fe80::f816:3eff:fe11:e081/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-53405) 03/27/26 _x86_64_ (2 CPU) 06:14:20 LINUX RESTART (2 CPU) 06:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:08 1.66 0.02 1.61 0.02 1.20 25.80 0.63 06:40:08 1.14 0.00 1.14 0.00 0.00 13.69 0.00 06:50:08 1.19 0.00 1.19 0.01 0.00 13.95 0.60 07:00:03 1.45 0.00 1.42 0.03 0.00 17.21 1.52 07:10:08 1.21 0.00 1.19 0.02 0.00 14.15 1.19 Average: 1.33 0.00 1.31 0.02 0.24 16.95 0.79 06:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:08 5743032 7490600 299716 3.69 61884 1865932 532708 5.80 475084 1634352 124 06:40:08 5741296 7489356 300948 3.70 62040 1866264 532924 5.80 475240 1634840 124 06:50:08 5748384 7496952 293344 3.61 62212 1866592 532928 5.80 475148 1635340 176 07:00:03 5749460 7498548 291736 3.59 62396 1866916 532956 5.80 475352 1635848 196 07:10:08 5748956 7498664 291644 3.59 62552 1867376 532956 5.80 475516 1636336 180 Average: 5746226 7494824 295478 3.63 62217 1866616 532894 5.80 475268 1635343 160 06:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:30:08 ens3 3.04 0.17 0.47 0.12 0.00 0.00 0.00 0.00 06:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:40:08 ens3 1.01 0.06 0.11 0.03 0.00 0.00 0.00 0.00 06:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:50:08 ens3 1.02 0.06 0.12 0.03 0.00 0.00 0.00 0.00 07:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:03 ens3 0.39 0.05 0.08 0.03 0.00 0.00 0.00 0.00 07:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:08 ens3 0.63 0.05 0.09 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 1.22 0.08 0.17 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-53405) 03/27/26 _x86_64_ (2 CPU) 06:14:20 LINUX RESTART (2 CPU) 06:20:08 CPU %user %nice %system %iowait %steal %idle 06:30:08 all 0.30 0.00 0.18 0.08 0.03 99.41 06:30:08 0 0.20 0.00 0.19 0.05 0.04 99.52 06:30:08 1 0.40 0.00 0.17 0.11 0.03 99.29 06:40:08 all 0.26 0.00 0.06 0.02 0.03 99.63 06:40:08 0 0.20 0.00 0.08 0.02 0.03 99.67 06:40:08 1 0.32 0.00 0.05 0.01 0.03 99.58 06:50:08 all 0.23 0.00 0.06 0.01 0.04 99.66 06:50:08 0 0.43 0.00 0.05 0.00 0.03 99.50 06:50:08 1 0.04 0.00 0.08 0.01 0.05 99.83 07:00:03 all 0.24 0.00 0.17 0.01 0.03 99.54 07:00:03 0 0.26 0.00 0.17 0.01 0.03 99.53 07:00:03 1 0.23 0.00 0.18 0.01 0.04 99.55 07:10:08 all 0.26 0.00 0.06 0.02 0.03 99.62 07:10:08 0 0.37 0.00 0.06 0.03 0.03 99.51 07:10:08 1 0.16 0.00 0.06 0.01 0.04 99.73 Average: all 0.26 0.00 0.11 0.03 0.03 99.57 Average: 0 0.29 0.00 0.11 0.02 0.03 99.55 Average: 1 0.23 0.00 0.11 0.03 0.04 99.60