---> uname -a: Linux prd-queue-disttest-2c-1g-7891 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 694 5514 4 2017 7247 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:03:fc:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82207sec preferred_lft 82207sec inet6 fe80::f816:3eff:fe03:fc03/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-7891) 04/25/26 _x86_64_ (2 CPU) 02:58:46 LINUX RESTART (2 CPU) 03:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:10 4.26 0.03 4.17 0.06 1.38 1068.01 1.14 03:20:10 2.00 0.33 1.64 0.03 40.15 74.79 0.97 03:30:10 1.54 0.00 1.51 0.03 0.00 18.08 1.43 03:40:04 1.11 0.00 1.09 0.02 0.00 13.61 1.21 03:50:10 1.20 0.00 1.18 0.02 0.00 14.75 1.31 04:00:10 1.38 0.00 1.35 0.03 0.00 16.72 1.31 Average: 1.92 0.06 1.83 0.03 6.90 203.56 1.23 03:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:10 5786300 7508304 282444 3.47 61688 1840548 531056 5.78 464152 1619892 184 03:20:10 5754348 7505564 284692 3.50 62012 1869152 529384 5.77 474404 1637440 128 03:30:10 5751868 7503608 286560 3.52 62180 1869476 529588 5.77 474600 1637936 144 03:40:04 5758028 7510256 279972 3.44 62336 1869800 529596 5.77 474656 1638416 208 03:50:10 5753996 7506744 283476 3.49 62516 1870132 529628 5.77 475980 1638928 176 04:00:10 5751240 7504628 285572 3.51 62684 1870588 529640 5.77 476156 1639424 124 Average: 5759297 7506517 283786 3.49 62236 1864949 529815 5.77 473325 1635339 161 03:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:10 ens3 2.96 0.25 0.50 0.13 0.00 0.00 0.00 0.00 03:20:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:10 ens3 1.43 0.23 3.18 0.03 0.00 0.00 0.00 0.00 03:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:10 ens3 1.12 0.07 0.16 0.05 0.00 0.00 0.00 0.00 03:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:04 ens3 1.55 0.13 5.60 0.08 0.00 0.00 0.00 0.00 03:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:10 ens3 0.59 0.05 0.10 0.03 0.00 0.00 0.00 0.00 04:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:10 ens3 0.42 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 1.35 0.13 1.59 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-7891) 04/25/26 _x86_64_ (2 CPU) 02:58:46 LINUX RESTART (2 CPU) 03:00:00 CPU %user %nice %system %iowait %steal %idle 03:10:10 all 0.31 0.00 0.19 0.23 0.03 99.25 03:10:10 0 0.49 0.00 0.19 0.17 0.02 99.12 03:10:10 1 0.12 0.00 0.19 0.29 0.04 99.37 03:20:10 all 0.35 0.00 0.12 0.03 0.03 99.47 03:20:10 0 0.23 0.00 0.14 0.03 0.03 99.57 03:20:10 1 0.47 0.00 0.11 0.02 0.03 99.37 03:30:10 all 0.26 0.00 0.15 0.02 0.03 99.53 03:30:10 0 0.21 0.00 0.15 0.02 0.03 99.59 03:30:10 1 0.32 0.00 0.16 0.03 0.03 99.46 03:40:04 all 0.19 0.00 0.07 0.01 0.03 99.69 03:40:04 0 0.14 0.00 0.08 0.01 0.03 99.74 03:40:04 1 0.24 0.00 0.07 0.02 0.03 99.64 03:50:10 all 0.27 0.00 0.07 0.01 0.03 99.62 03:50:10 0 0.17 0.00 0.08 0.02 0.03 99.69 03:50:10 1 0.37 0.00 0.06 0.00 0.03 99.54 04:00:10 all 0.23 0.00 0.15 0.01 0.03 99.58 04:00:10 0 0.33 0.00 0.13 0.02 0.02 99.50 04:00:10 1 0.13 0.00 0.18 0.01 0.04 99.65 Average: all 0.27 0.00 0.13 0.05 0.03 99.52 Average: 0 0.26 0.00 0.13 0.04 0.03 99.54 Average: 1 0.27 0.00 0.13 0.06 0.03 99.50