---> uname -a: Linux prd-queue-disttest-2c-1g-25282 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 732 5343 4 2161 7209 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:7e:25:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82228sec preferred_lft 82228sec inet6 fe80::f816:3eff:fe7e:258c/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-25282) 06/06/26 _x86_64_ (2 CPU) 02:58:40 LINUX RESTART (2 CPU) 03:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:17 16.84 0.07 4.08 12.69 6.61 1306.92 104785.07 03:20:17 1.85 0.26 1.57 0.02 31.09 74.78 1.01 03:30:17 1.37 0.00 1.33 0.03 0.00 17.03 1.43 03:40:17 1.23 0.00 1.21 0.02 0.00 15.15 1.20 03:50:07 1.27 0.00 1.26 0.02 0.00 15.35 1.11 04:00:02 1.41 0.00 1.37 0.03 0.00 17.42 1.44 Average: 4.06 0.06 1.82 2.19 6.31 246.77 17925.41 03:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:17 5682476 7492324 293988 3.61 63500 1922752 560848 6.11 474740 1703172 260 03:20:17 5625124 7461568 324248 3.99 63856 1948788 756108 8.24 489928 1720800 56 03:30:17 5637356 7474348 311376 3.83 64032 1949116 756252 8.24 491652 1721304 172 03:40:17 5637356 7474884 310832 3.82 64232 1949444 756376 8.24 494104 1721832 180 03:50:07 5636852 7474868 310840 3.82 64388 1949772 756452 8.24 495352 1722316 128 04:00:02 5637620 7476292 309428 3.80 64572 1950228 756380 8.24 496676 1722824 196 Average: 5642797 7475714 310119 3.81 64097 1945017 723736 7.88 490409 1718708 165 03:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:17 ens3 4.69 1.33 39.25 0.24 0.00 0.00 0.00 0.00 03:20:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:17 ens3 1.81 0.20 3.26 0.03 0.00 0.00 0.00 0.00 03:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:17 ens3 0.46 0.09 0.11 0.05 0.00 0.00 0.00 0.00 03:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:17 ens3 0.76 0.13 3.94 0.08 0.00 0.00 0.00 0.00 03:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:07 ens3 0.34 0.05 0.10 0.03 0.00 0.00 0.00 0.00 04:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:02 ens3 0.22 0.05 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.40 0.32 7.96 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-25282) 06/06/26 _x86_64_ (2 CPU) 02:58:40 LINUX RESTART (2 CPU) 03:00:02 CPU %user %nice %system %iowait %steal %idle 03:10:17 all 0.64 0.00 0.20 0.07 0.04 99.06 03:10:17 0 1.02 0.00 0.22 0.06 0.03 98.67 03:10:17 1 0.27 0.00 0.18 0.08 0.04 99.44 03:20:17 all 0.44 0.00 0.10 0.02 0.03 99.41 03:20:17 0 0.75 0.00 0.09 0.03 0.02 99.11 03:20:17 1 0.13 0.00 0.12 0.01 0.04 99.71 03:30:17 all 0.23 0.00 0.15 0.01 0.03 99.58 03:30:17 0 0.27 0.00 0.16 0.01 0.03 99.54 03:30:17 1 0.20 0.00 0.15 0.00 0.03 99.61 03:40:17 all 0.21 0.00 0.07 0.01 0.03 99.68 03:40:17 0 0.37 0.00 0.05 0.01 0.02 99.55 03:40:17 1 0.04 0.00 0.08 0.02 0.04 99.81 03:50:07 all 0.24 0.00 0.06 0.01 0.03 99.66 03:50:07 0 0.27 0.00 0.06 0.00 0.03 99.64 03:50:07 1 0.20 0.00 0.07 0.01 0.04 99.68 04:00:02 all 0.25 0.00 0.15 0.01 0.03 99.56 04:00:02 0 0.08 0.00 0.17 0.00 0.05 99.70 04:00:02 1 0.42 0.00 0.13 0.01 0.02 99.42 Average: all 0.34 0.00 0.12 0.02 0.03 99.49 Average: 0 0.46 0.00 0.13 0.02 0.03 99.37 Average: 1 0.21 0.00 0.12 0.02 0.04 99.61