---> uname -a: Linux prd-queue-disttest-2c-1g-3680 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: 5600.00 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 720 5438 4 2074 7221 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:8a:7e:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82605sec preferred_lft 82605sec inet6 fe80::f816:3eff:fe8a:7eb2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-3680) 04/17/26 _x86_64_ (2 CPU) 00:33:02 LINUX RESTART (2 CPU) 00:40:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 1.14 0.01 1.13 0.00 0.06 14.10 0.25 01:00:01 1.38 0.00 1.37 0.02 0.00 16.66 0.23 01:10:30 1.23 0.00 1.22 0.01 0.00 14.33 0.69 01:20:30 1.93 0.32 1.57 0.04 40.09 73.72 1.35 01:30:01 1.50 0.00 1.46 0.03 0.00 17.88 1.39 Average: 1.44 0.07 1.35 0.02 8.11 27.42 0.78 00:40:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 5771736 7489496 301316 3.71 61660 1836416 550620 6.00 475396 1615412 212 01:00:01 5769500 7487728 303064 3.73 61808 1836716 550748 6.00 476708 1615860 240 01:10:30 5769000 7487752 303036 3.73 61972 1837076 552388 6.02 480524 1616384 168 01:20:30 5719184 7466972 323460 3.98 62272 1865524 550760 6.00 492832 1633756 176 01:30:01 5718708 7467100 323228 3.97 62436 1865948 550780 6.00 494200 1634216 120 Average: 5749626 7479810 310821 3.82 62030 1848336 551059 6.00 483932 1623126 183 00:40:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 3.02 0.19 0.50 0.14 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.72 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:30 ens3 0.51 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:20:30 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:30 ens3 0.75 0.29 3.19 0.09 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.25 0.06 0.07 0.04 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 1.04 0.14 0.80 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-3680) 04/17/26 _x86_64_ (2 CPU) 00:33:02 LINUX RESTART (2 CPU) 00:40:30 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.30 0.00 0.08 0.04 0.02 99.57 00:50:10 0 0.40 0.00 0.07 0.02 0.02 99.50 00:50:10 1 0.20 0.00 0.09 0.05 0.03 99.64 01:00:01 all 0.27 0.00 0.16 0.06 0.02 99.49 01:00:01 0 0.27 0.00 0.18 0.05 0.02 99.48 01:00:01 1 0.28 0.00 0.14 0.07 0.02 99.49 01:10:30 all 0.23 0.00 0.07 0.01 0.02 99.67 01:10:30 0 0.12 0.00 0.08 0.01 0.03 99.76 01:10:30 1 0.35 0.00 0.05 0.00 0.02 99.57 01:20:30 all 0.36 0.00 0.11 0.09 0.02 99.42 01:20:30 0 0.27 0.00 0.13 0.13 0.03 99.44 01:20:30 1 0.44 0.00 0.09 0.05 0.02 99.41 01:30:01 all 0.29 0.00 0.16 0.02 0.02 99.52 01:30:01 0 0.18 0.00 0.17 0.02 0.03 99.61 01:30:01 1 0.39 0.00 0.15 0.02 0.02 99.43 Average: all 0.29 0.00 0.11 0.04 0.02 99.53 Average: 0 0.25 0.00 0.13 0.04 0.02 99.56 Average: 1 0.33 0.00 0.10 0.04 0.02 99.51