---> uname -a: Linux prd-queue-disttest-2c-1g-37900 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 681 5441 4 2106 7260 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:8f:e0:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82586sec preferred_lft 82586sec inet6 fe80::f816:3eff:fe8f:e0cb/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-37900) 07/23/26 _x86_64_ (2 CPU) 01:38:41 LINUX RESTART (2 CPU) 01:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:28 4.27 0.03 4.16 0.08 1.34 1217.77 2.13 02:00:01 1.98 0.27 1.66 0.04 32.46 80.53 1.55 02:10:28 1.20 0.00 1.17 0.02 1.01 14.69 1.10 02:20:28 1.26 0.00 1.24 0.02 0.01 15.01 1.20 02:30:18 1.42 0.00 1.39 0.03 0.00 17.41 1.57 02:40:28 1.24 0.00 1.22 0.02 0.00 14.87 1.18 Average: 1.91 0.05 1.82 0.04 5.54 233.60 1.46 01:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:28 5702028 7522884 263000 3.23 63696 1932988 522344 5.69 457228 1713056 124 02:00:01 5637816 7485836 299420 3.68 64024 1959576 722692 7.87 471840 1731208 208 02:10:28 5666688 7515560 269708 3.32 64232 1960208 522544 5.69 466568 1731736 164 02:20:28 5667572 7516956 268344 3.30 64404 1960540 522544 5.69 466572 1732240 124 02:30:18 5656752 7506680 278588 3.43 64592 1960868 522544 5.69 466580 1732756 128 02:40:28 5671676 7522236 263028 3.23 64768 1961324 522544 5.69 466708 1733260 120 Average: 5667089 7511692 273681 3.37 64286 1955917 555869 6.05 465916 1729043 145 01:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:28 ens3 3.04 0.22 0.68 0.12 0.00 0.00 0.00 0.00 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.33 0.27 3.44 0.05 0.00 0.00 0.00 0.00 02:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:28 ens3 0.87 0.02 6.50 0.01 0.00 0.00 0.00 0.00 02:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:28 ens3 0.20 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:28 ens3 0.28 0.05 0.08 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 0.99 0.10 1.81 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-37900) 07/23/26 _x86_64_ (2 CPU) 01:38:41 LINUX RESTART (2 CPU) 01:40:01 CPU %user %nice %system %iowait %steal %idle 01:50:28 all 0.29 0.00 0.14 0.04 0.03 99.49 01:50:28 0 0.45 0.00 0.12 0.04 0.02 99.37 01:50:28 1 0.14 0.00 0.16 0.04 0.04 99.62 02:00:01 all 0.38 0.00 0.20 0.03 0.03 99.36 02:00:01 0 0.63 0.00 0.21 0.04 0.02 99.10 02:00:01 1 0.12 0.00 0.19 0.03 0.04 99.62 02:10:28 all 0.23 0.00 0.07 0.01 0.03 99.66 02:10:28 0 0.05 0.00 0.09 0.01 0.04 99.82 02:10:28 1 0.42 0.00 0.04 0.01 0.02 99.51 02:20:28 all 0.24 0.00 0.06 0.03 0.03 99.64 02:20:28 0 0.04 0.00 0.09 0.01 0.04 99.83 02:20:28 1 0.44 0.00 0.04 0.05 0.02 99.45 02:30:18 all 0.25 0.00 0.15 0.01 0.03 99.56 02:30:18 0 0.18 0.00 0.15 0.01 0.03 99.64 02:30:18 1 0.33 0.00 0.16 0.01 0.02 99.49 02:40:28 all 0.25 0.00 0.06 0.01 0.02 99.65 02:40:28 0 0.45 0.00 0.04 0.01 0.02 99.48 02:40:28 1 0.05 0.00 0.09 0.01 0.03 99.81 Average: all 0.27 0.00 0.11 0.02 0.03 99.56 Average: 0 0.30 0.00 0.11 0.02 0.03 99.54 Average: 1 0.25 0.00 0.11 0.02 0.03 99.58