---> uname -a: Linux prd-queue-disttest-2c-1g-1146 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 687 5527 4 2010 7254 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:ae:f1:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82351sec preferred_lft 82351sec inet6 fe80::f816:3eff:feae:f11a/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-1146) 04/08/26 _x86_64_ (2 CPU) 02:48:43 LINUX RESTART (2 CPU) 02:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:08 2.55 0.03 2.44 0.08 1.24 668.18 1.36 03:10:01 1.23 0.01 1.21 0.01 0.05 15.07 0.85 03:20:08 1.20 0.00 1.18 0.01 0.01 14.45 1.07 03:30:08 1.43 0.00 1.40 0.03 0.00 17.89 1.47 03:40:08 1.22 0.00 1.21 0.02 0.00 14.92 1.09 03:50:08 1.95 0.32 1.59 0.04 40.08 73.51 1.37 Average: 1.60 0.06 1.50 0.03 6.90 134.00 1.20 02:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:08 5773556 7490828 300148 3.69 61628 1835984 534264 5.82 464796 1614328 212 03:10:01 5787220 7504980 285784 3.51 61836 1836304 534264 5.82 464832 1614828 268 03:20:08 5787220 7505536 285248 3.51 62024 1836652 534372 5.82 464880 1615384 188 03:30:08 5793304 7512148 278652 3.43 62224 1836968 534564 5.82 465036 1615908 132 03:40:08 5794720 7514064 276736 3.40 62392 1837300 534576 5.82 465208 1616408 128 03:50:08 5753512 7501900 288464 3.55 62676 1865736 534576 5.82 476768 1633624 128 Average: 5781589 7504909 285839 3.51 62130 1841491 534436 5.82 466920 1618413 176 02:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 3.12 0.25 0.57 0.18 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.78 0.03 0.07 0.01 0.00 0.00 0.00 0.00 03:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 0.45 0.04 0.06 0.01 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 0.64 0.10 0.12 0.05 0.00 0.00 0.00 0.00 03:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:08 ens3 0.34 0.06 0.08 0.03 0.00 0.00 0.00 0.00 03:50:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:08 ens3 0.94 0.22 3.10 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 1.04 0.12 0.67 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1146) 04/08/26 _x86_64_ (2 CPU) 02:48:43 LINUX RESTART (2 CPU) 02:50:08 CPU %user %nice %system %iowait %steal %idle 03:00:08 all 0.27 0.00 0.21 0.05 0.03 99.44 03:00:08 0 0.41 0.00 0.19 0.09 0.02 99.30 03:00:08 1 0.13 0.00 0.23 0.02 0.04 99.59 03:10:01 all 0.21 0.00 0.08 0.02 0.03 99.66 03:10:01 0 0.33 0.00 0.06 0.02 0.02 99.56 03:10:01 1 0.08 0.00 0.10 0.02 0.05 99.75 03:20:08 all 0.25 0.00 0.07 0.00 0.03 99.65 03:20:08 0 0.39 0.00 0.05 0.01 0.02 99.54 03:20:08 1 0.11 0.00 0.09 0.00 0.04 99.76 03:30:08 all 0.27 0.00 0.15 0.01 0.03 99.54 03:30:08 0 0.25 0.00 0.15 0.01 0.04 99.55 03:30:08 1 0.29 0.00 0.14 0.01 0.03 99.53 03:40:08 all 0.24 0.00 0.07 0.01 0.04 99.64 03:40:08 0 0.44 0.00 0.05 0.01 0.02 99.49 03:40:08 1 0.05 0.00 0.09 0.01 0.05 99.80 03:50:08 all 0.35 0.00 0.10 0.03 0.04 99.48 03:50:08 0 0.43 0.00 0.11 0.02 0.04 99.41 03:50:08 1 0.27 0.00 0.10 0.03 0.04 99.56 Average: all 0.26 0.00 0.11 0.02 0.03 99.57 Average: 0 0.37 0.00 0.10 0.03 0.03 99.47 Average: 1 0.15 0.00 0.13 0.02 0.04 99.66