---> uname -a: Linux prd-queue-disttest-2c-1g-12164 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 700 5507 4 2018 7241 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:f4:b2:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82384sec preferred_lft 82384sec inet6 fe80::f816:3eff:fef4:b2cc/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-12164) 05/09/26 _x86_64_ (2 CPU) 02:58:42 LINUX RESTART (2 CPU) 03:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:08 15.37 0.03 2.37 12.97 1.39 652.08 107816.74 03:20:08 1.85 0.26 1.58 0.01 31.05 74.41 0.53 03:30:08 1.68 0.02 1.64 0.03 1.65 20.27 0.37 03:40:08 1.19 0.00 1.19 0.00 0.00 14.25 0.00 03:50:08 1.26 0.00 1.26 0.00 0.00 14.97 0.00 04:00:08 1.53 0.00 1.51 0.02 0.00 18.56 0.25 Average: 3.81 0.05 1.59 2.17 5.68 132.42 17969.70 03:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:08 5787128 7510196 280328 3.45 61580 1841952 524680 5.71 462248 1619928 176 03:20:08 5742148 7491768 298220 3.67 61924 1867912 719144 7.83 476700 1637460 236 03:30:08 5752172 7502828 287172 3.53 62096 1868732 524828 5.72 471660 1638028 124 03:40:08 5751668 7502792 287204 3.53 62232 1869056 524896 5.72 471812 1638488 164 03:50:08 5750924 7502532 287456 3.53 62384 1869384 524896 5.72 471848 1638968 164 04:00:08 5750348 7502596 287384 3.53 62552 1869840 524896 5.72 472036 1639464 164 Average: 5755731 7502119 287961 3.54 62128 1864479 557223 6.07 471051 1635389 171 03:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:08 ens3 2.88 0.16 0.48 0.11 0.00 0.00 0.00 0.00 03:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 1.30 0.21 3.18 0.03 0.00 0.00 0.00 0.00 03:30:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 1.48 0.10 11.93 0.06 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 0.86 0.12 0.17 0.08 0.00 0.00 0.00 0.00 03:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:08 ens3 0.82 0.04 1.10 0.03 0.00 0.00 0.00 0.00 04:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:08 ens3 0.66 0.06 0.10 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 1.33 0.12 2.83 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-12164) 05/09/26 _x86_64_ (2 CPU) 02:58:42 LINUX RESTART (2 CPU) 03:00:08 CPU %user %nice %system %iowait %steal %idle 03:10:08 all 0.25 0.00 0.13 0.07 0.02 99.53 03:10:08 0 0.18 0.00 0.11 0.08 0.02 99.62 03:10:08 1 0.33 0.00 0.15 0.06 0.02 99.45 03:20:08 all 0.36 0.00 0.11 0.02 0.03 99.49 03:20:08 0 0.47 0.00 0.08 0.01 0.03 99.42 03:20:08 1 0.25 0.00 0.13 0.04 0.03 99.56 03:30:08 all 0.29 0.00 0.18 0.01 0.01 99.51 03:30:08 0 0.43 0.00 0.15 0.02 0.01 99.39 03:30:08 1 0.15 0.00 0.22 0.01 0.02 99.62 03:40:08 all 0.26 0.00 0.07 0.01 0.01 99.65 03:40:08 0 0.33 0.00 0.07 0.01 0.02 99.58 03:40:08 1 0.20 0.00 0.08 0.01 0.01 99.71 03:50:08 all 0.22 0.00 0.07 0.01 0.01 99.69 03:50:08 0 0.39 0.00 0.04 0.01 0.01 99.55 03:50:08 1 0.05 0.00 0.10 0.00 0.02 99.83 04:00:08 all 0.27 0.00 0.16 0.01 0.01 99.55 04:00:08 0 0.40 0.00 0.12 0.01 0.01 99.46 04:00:08 1 0.14 0.00 0.20 0.00 0.02 99.64 Average: all 0.28 0.00 0.12 0.02 0.02 99.57 Average: 0 0.37 0.00 0.10 0.02 0.01 99.50 Average: 1 0.19 0.00 0.14 0.02 0.02 99.63