---> uname -a: Linux prd-queue-disttest-2c-1g-11575 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 690 5517 4 2017 7251 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:b1:1f:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82331sec preferred_lft 82331sec inet6 fe80::f816:3eff:feb1:1f62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11575) 05/07/26 _x86_64_ (2 CPU) 01:38:40 LINUX RESTART (2 CPU) 01:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:12 2.44 0.04 2.34 0.06 1.84 588.91 3.00 02:00:12 1.48 0.01 1.44 0.03 0.05 17.56 1.09 02:10:12 1.36 0.00 1.35 0.01 0.00 15.84 1.08 02:20:12 1.36 0.00 1.35 0.00 0.01 15.77 0.00 02:30:12 1.57 0.00 1.56 0.01 0.00 18.83 0.25 02:40:12 2.03 0.26 1.76 0.02 32.04 75.96 0.25 Average: 1.71 0.05 1.63 0.02 5.66 122.14 0.95 01:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:12 5772452 7495488 295424 3.63 61556 1841944 533172 5.81 465892 1619728 132 02:00:12 5772592 7496156 294496 3.62 61736 1842272 533180 5.81 465712 1620236 124 02:10:12 5772592 7496688 293996 3.62 61940 1842604 533180 5.81 465624 1620768 208 02:20:12 5772128 7496692 293996 3.62 62084 1842924 533376 5.81 465940 1621236 152 02:30:12 5773056 7498128 292492 3.60 62256 1843256 533376 5.81 465972 1621740 124 02:40:12 5727168 7479184 311048 3.82 62532 1869636 533376 5.81 475228 1639192 160 Average: 5764998 7493723 296909 3.65 62017 1847106 533277 5.81 467395 1623817 150 01:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 2.30 0.20 0.42 0.14 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 1.24 0.06 0.17 0.03 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.32 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.77 0.13 4.59 0.10 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.78 0.14 0.22 0.12 0.00 0.00 0.00 0.00 02:40:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 0.57 0.26 3.16 0.05 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 1.00 0.14 1.44 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11575) 05/07/26 _x86_64_ (2 CPU) 01:38:40 LINUX RESTART (2 CPU) 01:40:12 CPU %user %nice %system %iowait %steal %idle 01:50:12 all 0.27 0.00 0.10 0.02 0.04 99.56 01:50:12 0 0.13 0.00 0.11 0.01 0.05 99.70 01:50:12 1 0.41 0.00 0.10 0.04 0.04 99.42 02:00:12 all 0.22 0.00 0.16 0.01 0.04 99.58 02:00:12 0 0.09 0.00 0.19 0.00 0.05 99.67 02:00:12 1 0.35 0.00 0.13 0.02 0.03 99.48 02:10:12 all 0.23 0.00 0.06 0.01 0.04 99.66 02:10:12 0 0.04 0.00 0.08 0.01 0.06 99.82 02:10:12 1 0.41 0.00 0.05 0.01 0.03 99.50 02:20:12 all 0.26 0.00 0.07 0.01 0.04 99.63 02:20:12 0 0.39 0.00 0.06 0.02 0.03 99.49 02:20:12 1 0.12 0.00 0.07 0.00 0.04 99.78 02:30:12 all 0.26 0.00 0.15 0.01 0.04 99.55 02:30:12 0 0.28 0.00 0.13 0.01 0.03 99.55 02:30:12 1 0.23 0.00 0.17 0.01 0.05 99.55 02:40:12 all 0.35 0.00 0.10 0.03 0.03 99.49 02:40:12 0 0.34 0.00 0.08 0.02 0.04 99.52 02:40:12 1 0.36 0.00 0.12 0.03 0.03 99.45 Average: all 0.26 0.00 0.11 0.01 0.04 99.58 Average: 0 0.21 0.00 0.11 0.01 0.04 99.62 Average: 1 0.31 0.00 0.10 0.02 0.03 99.53