---> uname -a: Linux prd-queue-disttest-2c-1g-29928 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 685 5530 4 2009 7256 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:8d:7c:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82306sec preferred_lft 82306sec inet6 fe80::f816:3eff:fe8d:7cf5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-29928) 03/25/26 _x86_64_ (2 CPU) 02:54:23 LINUX RESTART (2 CPU) 03:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:03 1.31 0.01 1.30 0.00 0.05 15.41 0.24 03:20:03 1.31 0.00 1.31 0.00 0.01 15.27 0.00 03:30:03 1.50 0.00 1.47 0.03 0.00 18.43 0.75 03:40:03 15.01 0.33 1.76 12.93 40.23 75.00 107835.11 03:50:03 1.36 0.00 1.34 0.02 0.00 15.69 1.20 04:00:03 1.59 0.00 1.56 0.03 0.00 18.96 1.12 Average: 3.68 0.06 1.46 2.17 6.72 26.46 17973.02 03:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:03 5797988 7513916 276932 3.41 61684 1834644 525824 5.73 460508 1613440 264 03:20:03 5797748 7514172 276680 3.40 61860 1834968 525824 5.73 460692 1613940 236 03:30:03 5791884 7508812 282048 3.47 62024 1835292 525964 5.73 460720 1614432 236 03:40:03 5755920 7501724 288660 3.55 62360 1863536 525964 5.73 472276 1631604 288 03:50:03 5755696 7502120 288236 3.54 62516 1863992 526032 5.73 472440 1632088 232 04:00:03 5755896 7502836 287520 3.54 62692 1864320 526032 5.73 472492 1632592 192 Average: 5775855 7507263 283346 3.48 62189 1849459 525940 5.73 466521 1623016 241 03:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:03 ens3 2.82 0.12 0.40 0.08 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 0.62 0.03 0.06 0.01 0.00 0.00 0.00 0.00 03:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:03 ens3 1.83 0.08 4.76 0.06 0.00 0.00 0.00 0.00 03:40:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 0.58 0.22 3.07 0.05 0.00 0.00 0.00 0.00 03:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:03 ens3 0.73 0.03 0.99 0.01 0.00 0.00 0.00 0.00 04:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:03 ens3 0.66 0.05 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 1.21 0.09 1.56 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-29928) 03/25/26 _x86_64_ (2 CPU) 02:54:23 LINUX RESTART (2 CPU) 03:00:03 CPU %user %nice %system %iowait %steal %idle 03:10:03 all 0.27 0.00 0.09 0.01 0.03 99.60 03:10:03 0 0.32 0.00 0.07 0.01 0.03 99.58 03:10:03 1 0.21 0.00 0.11 0.01 0.04 99.62 03:20:03 all 0.27 0.00 0.07 0.01 0.03 99.62 03:20:03 0 0.47 0.00 0.05 0.00 0.02 99.46 03:20:03 1 0.07 0.00 0.10 0.01 0.04 99.78 03:30:03 all 0.23 0.00 0.16 0.01 0.04 99.56 03:30:03 0 0.26 0.00 0.15 0.01 0.03 99.56 03:30:03 1 0.21 0.00 0.18 0.01 0.05 99.57 03:40:03 all 0.35 0.00 0.11 0.04 0.04 99.47 03:40:03 0 0.43 0.00 0.11 0.02 0.03 99.41 03:40:03 1 0.26 0.00 0.12 0.05 0.04 99.52 03:50:03 all 0.22 0.00 0.06 0.01 0.04 99.66 03:50:03 0 0.04 0.00 0.07 0.01 0.05 99.83 03:50:03 1 0.41 0.00 0.05 0.01 0.03 99.50 04:00:03 all 0.27 0.00 0.15 0.01 0.04 99.54 04:00:03 0 0.16 0.00 0.17 0.01 0.04 99.63 04:00:03 1 0.38 0.00 0.13 0.01 0.04 99.45 Average: all 0.27 0.00 0.11 0.01 0.03 99.58 Average: 0 0.28 0.00 0.10 0.01 0.03 99.58 Average: 1 0.26 0.00 0.12 0.02 0.04 99.57