---> uname -a: Linux prd-queue-disttest-2c-1g-66295 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 692 5523 4 2009 7249 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:c8:71:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82655sec preferred_lft 82655sec inet6 fe80::f816:3eff:fec8:719d/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-66295) 04/04/26 _x86_64_ (2 CPU) 00:33:00 LINUX RESTART (2 CPU) 00:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.20 0.01 1.19 0.00 0.05 14.67 0.24 01:00:01 2.02 0.32 1.68 0.03 39.02 74.79 0.43 01:10:12 1.27 0.00 1.24 0.02 1.03 15.61 0.88 01:20:01 14.37 0.01 1.22 13.15 0.16 15.00 109903.07 01:30:01 1.57 0.01 1.52 0.03 0.60 19.32 1.47 Average: 4.05 0.07 1.37 2.61 8.21 27.93 21639.36 00:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5770788 7487052 304368 3.74 61704 1834952 537540 5.85 469532 1614152 128 01:00:01 5743520 7488376 302320 3.72 62032 1862920 735376 8.01 486632 1631384 152 01:10:12 5743520 7489220 301660 3.71 62204 1863592 537552 5.85 481132 1631904 188 01:20:01 5743520 7489768 301116 3.70 62392 1863928 537680 5.86 481408 1632412 168 01:30:01 5737324 7484404 306428 3.77 62560 1864564 537744 5.86 481580 1632968 300 Average: 5747734 7487764 303178 3.73 62178 1857991 577178 6.29 480057 1628564 187 00:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.38 0.14 0.50 0.11 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.99 0.31 3.10 0.05 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.56 0.05 2.41 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.56 0.07 0.31 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.31 0.07 0.08 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 1.15 0.13 1.29 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-66295) 04/04/26 _x86_64_ (2 CPU) 00:33:00 LINUX RESTART (2 CPU) 00:40:12 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.23 0.00 0.07 0.01 0.03 99.66 00:50:01 0 0.12 0.00 0.09 0.01 0.03 99.76 00:50:01 1 0.35 0.00 0.06 0.01 0.03 99.56 01:00:01 all 0.35 0.00 0.19 0.02 0.03 99.42 01:00:01 0 0.38 0.00 0.19 0.03 0.03 99.37 01:00:01 1 0.31 0.00 0.18 0.01 0.03 99.47 01:10:12 all 0.23 0.00 0.07 0.01 0.03 99.67 01:10:12 0 0.03 0.00 0.08 0.01 0.03 99.85 01:10:12 1 0.42 0.00 0.06 0.01 0.02 99.49 01:20:01 all 0.25 0.00 0.08 0.03 0.03 99.62 01:20:01 0 0.44 0.00 0.07 0.03 0.02 99.44 01:20:01 1 0.05 0.00 0.09 0.03 0.04 99.80 01:30:01 all 0.28 0.00 0.16 0.01 0.03 99.52 01:30:01 0 0.24 0.00 0.18 0.01 0.03 99.54 01:30:01 1 0.33 0.00 0.14 0.01 0.03 99.50 Average: all 0.27 0.00 0.11 0.01 0.03 99.58 Average: 0 0.24 0.00 0.12 0.02 0.03 99.59 Average: 1 0.29 0.00 0.10 0.01 0.03 99.56