---> uname -a: Linux prd-queue-disttest-2c-1g-20160 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 695 5448 4 2084 7246 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:b0:f0:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82470sec preferred_lft 82470sec inet6 fe80::f816:3eff:feb0:f0ee/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-20160) 05/26/26 _x86_64_ (2 CPU) 00:37:23 LINUX RESTART (2 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 1.44 0.02 1.41 0.01 1.24 17.00 0.72 01:00:01 1.51 0.01 1.48 0.02 0.05 18.19 0.50 01:10:07 1.27 0.00 1.27 0.00 0.00 15.12 0.00 01:20:07 1.26 0.00 1.26 0.00 0.01 15.27 0.00 01:30:01 1.65 0.00 1.63 0.02 0.00 19.66 0.26 01:40:07 2.04 0.26 1.77 0.02 31.73 76.38 0.25 Average: 1.53 0.05 1.47 0.01 5.56 27.02 0.29 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 5720304 7515848 271064 3.33 63064 1909472 526244 5.73 464128 1689640 168 01:00:01 5711244 7507292 279536 3.44 63224 1909804 526244 5.73 464220 1690132 148 01:10:07 5719056 7515568 271304 3.34 63356 1910132 526256 5.73 464312 1690600 140 01:20:07 5717320 7514280 272596 3.35 63480 1910456 526432 5.73 464572 1691048 72 01:30:01 5707508 7504960 281872 3.47 63636 1910788 526432 5.73 464368 1691536 240 01:40:07 5663136 7487644 298924 3.68 63908 1937340 526564 5.74 473964 1709156 132 Average: 5706428 7507599 279216 3.43 63445 1914665 526362 5.73 465927 1693685 150 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 3.57 0.25 0.64 0.19 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 0.94 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.48 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.55 0.12 0.13 0.07 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 0.38 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.64 0.26 3.18 0.07 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 1.09 0.13 0.71 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-20160) 05/26/26 _x86_64_ (2 CPU) 00:37:23 LINUX RESTART (2 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 0.28 0.00 0.08 0.01 0.02 99.61 00:50:07 0 0.26 0.00 0.07 0.01 0.02 99.64 00:50:07 1 0.30 0.00 0.09 0.01 0.03 99.57 01:00:01 all 0.28 0.00 0.18 0.05 0.02 99.47 01:00:01 0 0.29 0.00 0.18 0.05 0.01 99.46 01:00:01 1 0.27 0.00 0.18 0.05 0.02 99.48 01:10:07 all 0.24 0.00 0.08 0.01 0.01 99.66 01:10:07 0 0.17 0.00 0.09 0.01 0.02 99.72 01:10:07 1 0.31 0.00 0.07 0.01 0.01 99.60 01:20:07 all 0.26 0.00 0.08 0.02 0.02 99.62 01:20:07 0 0.34 0.00 0.06 0.03 0.01 99.56 01:20:07 1 0.19 0.00 0.09 0.01 0.02 99.68 01:30:01 all 0.28 0.00 0.18 0.01 0.02 99.52 01:30:01 0 0.30 0.00 0.18 0.00 0.02 99.51 01:30:01 1 0.26 0.00 0.18 0.02 0.02 99.53 01:40:07 all 0.36 0.00 0.10 0.16 0.05 99.33 01:40:07 0 0.23 0.00 0.10 0.02 0.04 99.61 01:40:07 1 0.49 0.00 0.11 0.30 0.05 99.05 Average: all 0.28 0.00 0.12 0.04 0.02 99.53 Average: 0 0.26 0.00 0.11 0.02 0.02 99.58 Average: 1 0.30 0.00 0.12 0.07 0.03 99.48