---> uname -a: Linux prd-queue-disttest-2c-1g-1036 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 705 5509 4 2010 7236 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:d2:2a:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81925sec preferred_lft 81925sec inet6 fe80::f816:3eff:fed2:2ae4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1036) 04/07/26 _x86_64_ (2 CPU) 16:58:41 LINUX RESTART (2 CPU) 17:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:15 16.16 0.03 3.44 12.68 1.51 1061.85 105563.33 17:20:15 1.27 0.01 1.26 0.00 0.07 15.23 0.12 17:30:15 2.09 0.32 1.74 0.03 39.03 75.29 0.60 17:40:05 1.23 0.01 1.20 0.02 1.07 15.00 1.30 17:50:15 1.23 0.00 1.21 0.01 0.00 14.83 1.06 18:00:15 1.46 0.00 1.43 0.03 0.00 17.85 1.37 18:10:15 1.21 0.00 1.19 0.02 0.00 14.67 1.09 Average: 3.56 0.05 1.65 1.86 5.94 176.25 15358.08 17:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:15 5795784 7512092 279124 3.43 61576 1835100 534636 5.82 466056 1613952 392 17:20:15 5795280 7512080 278976 3.43 61736 1835432 534640 5.82 466124 1614444 176 17:30:15 5744000 7489408 301112 3.70 62036 1863428 741200 8.07 483176 1631676 136 17:40:05 5751588 7497832 292792 3.60 62224 1864064 534852 5.83 477728 1632188 220 17:50:15 5756888 7503652 287000 3.53 62400 1864396 534916 5.83 477968 1632696 144 18:00:15 5754656 7502096 288512 3.55 62600 1864848 534968 5.83 477940 1633220 132 18:10:15 5754432 7502356 288248 3.54 62752 1865172 534916 5.83 477932 1633696 136 Average: 5764661 7502788 287966 3.54 62189 1856063 564304 6.15 475275 1627410 191 17:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:10:15 ens3 2.73 0.17 0.48 0.12 0.00 0.00 0.00 0.00 17:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:20:15 ens3 1.01 0.04 0.10 0.01 0.00 0.00 0.00 0.00 17:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 17:30:15 ens3 0.81 0.34 3.08 0.04 0.00 0.00 0.00 0.00 17:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:40:05 ens3 0.69 0.08 1.97 0.06 0.00 0.00 0.00 0.00 17:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:50:15 ens3 0.85 0.05 0.25 0.03 0.00 0.00 0.00 0.00 18:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 18:00:15 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 18:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 18:10:15 ens3 0.21 0.03 0.04 0.01 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 0.94 0.11 0.85 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1036) 04/07/26 _x86_64_ (2 CPU) 16:58:41 LINUX RESTART (2 CPU) 17:00:02 CPU %user %nice %system %iowait %steal %idle 17:10:15 all 0.34 0.00 0.15 0.05 0.03 99.43 17:10:15 0 0.59 0.00 0.11 0.04 0.02 99.24 17:10:15 1 0.09 0.00 0.18 0.07 0.04 99.61 17:20:15 all 0.25 0.00 0.08 0.01 0.02 99.64 17:20:15 0 0.44 0.00 0.05 0.01 0.02 99.48 17:20:15 1 0.06 0.00 0.11 0.01 0.03 99.80 17:30:15 all 0.37 0.00 0.19 0.03 0.02 99.39 17:30:15 0 0.50 0.00 0.17 0.03 0.01 99.29 17:30:15 1 0.25 0.00 0.21 0.02 0.02 99.49 17:40:05 all 0.25 0.00 0.08 0.01 0.02 99.63 17:40:05 0 0.14 0.00 0.08 0.02 0.02 99.74 17:40:05 1 0.37 0.00 0.09 0.01 0.02 99.52 17:50:15 all 0.22 0.00 0.07 0.01 0.02 99.69 17:50:15 0 0.06 0.00 0.08 0.01 0.02 99.83 17:50:15 1 0.39 0.00 0.05 0.00 0.01 99.55 18:00:15 all 0.24 0.00 0.16 0.01 0.02 99.58 18:00:15 0 0.12 0.00 0.16 0.01 0.03 99.69 18:00:15 1 0.35 0.00 0.16 0.01 0.02 99.47 18:10:15 all 0.23 0.00 0.07 0.01 0.02 99.67 18:10:15 0 0.33 0.00 0.06 0.01 0.02 99.58 18:10:15 1 0.12 0.00 0.09 0.00 0.02 99.77 Average: all 0.27 0.00 0.11 0.02 0.02 99.58 Average: 0 0.31 0.00 0.10 0.02 0.02 99.55 Average: 1 0.23 0.00 0.13 0.02 0.02 99.60