---> uname -a: Linux prd-queue-disttest-2c-1g-15651 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 703 5500 4 2022 7238 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:25:e9:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82548sec preferred_lft 82548sec inet6 fe80::f816:3eff:fe25:e9b5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-15651) 05/16/26 _x86_64_ (2 CPU) 01:38:43 LINUX RESTART (2 CPU) 01:40:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:20 1.77 0.02 1.69 0.06 1.24 349.23 1.00 02:00:20 1.92 0.27 1.62 0.04 32.09 75.52 1.07 02:10:20 1.39 0.00 1.38 0.02 0.00 15.59 1.20 02:20:02 1.38 0.00 1.36 0.02 0.01 15.75 1.24 02:30:20 1.73 0.00 1.70 0.03 0.00 20.50 1.45 02:40:20 1.46 0.00 1.43 0.03 0.00 16.80 1.37 Average: 1.61 0.05 1.53 0.03 5.56 82.26 1.22 01:40:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:20 5785924 7513196 277700 3.41 61664 1845756 537512 5.85 464548 1624316 184 02:00:20 5757788 7511984 278328 3.42 62004 1872060 537656 5.86 473848 1641876 168 02:10:20 5757324 7512052 278264 3.42 62204 1872380 537656 5.86 473752 1642404 132 02:20:02 5762448 7517692 272620 3.35 62380 1872712 537656 5.86 473876 1642912 232 02:30:20 5748068 7503988 286212 3.52 62580 1873164 592828 6.46 479384 1643444 132 02:40:20 5749940 7506400 283828 3.49 62776 1873496 537816 5.86 474272 1643964 132 Average: 5760249 7510885 279492 3.44 62268 1868261 546854 5.96 473280 1639819 163 01:40:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 3.36 0.22 0.56 0.16 0.00 0.00 0.00 0.00 02:00:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:20 ens3 1.42 0.26 3.20 0.05 0.00 0.00 0.00 0.00 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 0.43 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.64 0.04 5.89 0.01 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.37 0.05 0.22 0.04 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 0.40 0.08 0.11 0.06 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 1.10 0.11 1.64 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-15651) 05/16/26 _x86_64_ (2 CPU) 01:38:43 LINUX RESTART (2 CPU) 01:40:20 CPU %user %nice %system %iowait %steal %idle 01:50:20 all 0.27 0.00 0.09 0.02 0.02 99.60 01:50:20 0 0.07 0.00 0.09 0.02 0.02 99.79 01:50:20 1 0.47 0.00 0.08 0.01 0.03 99.42 02:00:20 all 0.37 0.00 0.20 0.02 0.02 99.40 02:00:20 0 0.28 0.00 0.18 0.01 0.02 99.50 02:00:20 1 0.45 0.00 0.22 0.02 0.02 99.29 02:10:20 all 0.26 0.00 0.06 0.01 0.02 99.65 02:10:20 0 0.30 0.00 0.06 0.01 0.02 99.61 02:10:20 1 0.22 0.00 0.07 0.01 0.02 99.68 02:20:02 all 0.27 0.00 0.07 0.01 0.02 99.64 02:20:02 0 0.06 0.00 0.09 0.01 0.03 99.82 02:20:02 1 0.48 0.00 0.04 0.01 0.01 99.46 02:30:20 all 0.26 0.00 0.16 0.02 0.02 99.54 02:30:20 0 0.18 0.00 0.16 0.04 0.02 99.60 02:30:20 1 0.35 0.00 0.16 0.00 0.02 99.48 02:40:20 all 0.23 0.00 0.07 0.01 0.02 99.68 02:40:20 0 0.08 0.00 0.08 0.01 0.02 99.81 02:40:20 1 0.38 0.00 0.06 0.00 0.01 99.54 Average: all 0.28 0.00 0.11 0.01 0.02 99.58 Average: 0 0.16 0.00 0.11 0.02 0.02 99.69 Average: 1 0.39 0.00 0.11 0.01 0.02 99.48