---> uname -a: Linux prd-queue-disttest-2c-1g-38511 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 712 5415 4 2102 7229 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:1f:a4:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82684sec preferred_lft 82684sec inet6 fe80::f816:3eff:fe1f:a4a3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-38511) 07/25/26 _x86_64_ (2 CPU) 01:39:00 LINUX RESTART (2 CPU) 01:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:30 3.96 0.28 3.58 0.09 32.61 1225.45 1.81 02:00:01 1.42 0.01 1.38 0.03 0.06 16.98 1.25 02:10:00 1.21 0.00 1.20 0.02 0.00 14.29 1.09 02:20:00 14.37 0.01 1.42 12.95 0.16 16.56 107466.33 02:30:01 1.58 0.00 1.55 0.03 0.00 18.55 1.31 02:40:16 3.93 0.18 3.12 0.63 20.69 178.17 3739.13 Average: 4.43 0.08 2.06 2.29 9.14 250.73 18545.93 01:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:30 5633220 7477108 308460 3.79 63820 1955732 561624 6.12 485304 1726844 184 02:00:01 5650968 7495332 289932 3.57 63976 1956028 561612 6.12 486640 1727296 120 02:10:00 5650968 7495840 289412 3.56 64156 1956352 561636 6.12 487248 1727800 124 02:20:00 5660052 7505508 279652 3.44 64356 1956724 561788 6.12 487896 1728344 124 02:30:01 5648184 7494164 291008 3.58 64524 1957056 561800 6.12 489496 1728844 240 02:40:16 5611596 7463180 319616 3.93 68772 1956376 596044 6.49 532196 1728696 70004 Average: 5642498 7488522 296347 3.64 64934 1956378 567417 6.18 494797 1727971 11799 01:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:30 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:30 ens3 3.27 0.40 3.85 0.18 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.97 0.07 0.11 0.04 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.35 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.40 0.03 3.30 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.37 0.06 0.10 0.03 0.00 0.00 0.00 0.00 02:40:16 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 02:40:16 ens3 5.36 4.43 32.02 0.77 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.82 0.86 6.72 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-38511) 07/25/26 _x86_64_ (2 CPU) 01:39:00 LINUX RESTART (2 CPU) 01:40:15 CPU %user %nice %system %iowait %steal %idle 01:50:30 all 0.44 0.00 0.18 0.05 0.02 99.30 01:50:30 0 0.34 0.00 0.20 0.06 0.02 99.38 01:50:30 1 0.55 0.00 0.17 0.04 0.01 99.23 02:00:01 all 0.31 0.00 0.16 0.01 0.02 99.50 02:00:01 0 0.16 0.00 0.19 0.01 0.02 99.62 02:00:01 1 0.47 0.00 0.14 0.01 0.02 99.37 02:10:00 all 0.22 0.00 0.06 0.01 0.02 99.69 02:10:00 0 0.28 0.00 0.07 0.02 0.02 99.62 02:10:00 1 0.16 0.00 0.06 0.01 0.02 99.75 02:20:00 all 0.25 0.00 0.08 0.03 0.01 99.62 02:20:00 0 0.28 0.00 0.06 0.01 0.01 99.63 02:20:00 1 0.21 0.00 0.10 0.06 0.02 99.62 02:30:01 all 0.28 0.00 0.16 0.01 0.02 99.54 02:30:01 0 0.28 0.00 0.16 0.02 0.02 99.53 02:30:01 1 0.27 0.00 0.16 0.01 0.02 99.54 02:40:16 all 1.95 0.00 0.32 0.07 0.02 97.64 02:40:16 0 2.87 0.00 0.36 0.04 0.02 96.71 02:40:16 1 1.04 0.00 0.28 0.10 0.02 98.56 Average: all 0.58 0.00 0.16 0.03 0.02 99.21 Average: 0 0.71 0.00 0.17 0.02 0.02 99.07 Average: 1 0.45 0.00 0.15 0.04 0.02 99.34