---> uname -a: Linux prd-queue-disttest-2c-1g-9520 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 5497 4 2015 7228 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:52:a7:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82304sec preferred_lft 82304sec inet6 fe80::f816:3eff:fe52:a737/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-9520) 04/29/26 _x86_64_ (2 CPU) 02:48:40 LINUX RESTART (2 CPU) 02:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:09 2.39 0.02 2.29 0.08 1.24 565.32 3.57 03:10:09 1.27 0.01 1.25 0.01 0.05 15.45 0.84 03:20:09 14.14 0.00 1.24 12.89 0.16 15.04 107809.69 03:30:09 1.34 0.00 1.32 0.02 0.00 16.96 0.23 03:40:09 1.72 0.25 1.46 0.01 31.01 73.65 0.17 03:50:09 1.18 0.00 1.18 0.00 0.00 14.80 0.00 Average: 3.67 0.05 1.46 2.17 5.41 116.87 17969.38 02:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:09 5784524 7506232 284644 3.50 61588 1840584 536764 5.85 464520 1619640 172 03:10:09 5793448 7515696 275076 3.38 61796 1840916 536764 5.85 464588 1620180 188 03:20:09 5801456 7524252 266476 3.28 61972 1841288 536896 5.85 464680 1620700 168 03:30:09 5777140 7500408 290332 3.57 62128 1841612 536964 5.85 464780 1621180 192 03:40:09 5748844 7498592 291784 3.59 62412 1867512 730888 7.96 479140 1638600 136 03:50:09 5748344 7498680 291672 3.59 62544 1867964 730888 7.96 479292 1639056 188 Average: 5775626 7507310 283331 3.48 62073 1849979 601527 6.55 469500 1626559 174 02:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:09 ens3 3.14 0.20 0.58 0.18 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 0.89 0.04 0.08 0.01 0.00 0.00 0.00 0.00 03:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:09 ens3 0.92 0.03 0.09 0.01 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 1.15 0.10 2.30 0.06 0.00 0.00 0.00 0.00 03:40:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:09 ens3 1.55 0.24 4.26 0.05 0.00 0.00 0.00 0.00 03:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:09 ens3 0.49 0.02 0.07 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 1.36 0.11 1.23 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-9520) 04/29/26 _x86_64_ (2 CPU) 02:48:40 LINUX RESTART (2 CPU) 02:50:09 CPU %user %nice %system %iowait %steal %idle 03:00:09 all 0.37 0.00 0.20 0.02 0.02 99.39 03:00:09 0 0.34 0.00 0.20 0.01 0.03 99.43 03:00:09 1 0.39 0.00 0.21 0.04 0.02 99.34 03:10:09 all 0.30 0.00 0.10 0.01 0.02 99.57 03:10:09 0 0.31 0.00 0.09 0.00 0.02 99.58 03:10:09 1 0.28 0.00 0.12 0.01 0.02 99.57 03:20:09 all 0.26 0.00 0.09 0.03 0.02 99.60 03:20:09 0 0.43 0.00 0.10 0.05 0.02 99.41 03:20:09 1 0.09 0.00 0.09 0.01 0.03 99.79 03:30:09 all 0.24 0.00 0.17 0.01 0.03 99.56 03:30:09 0 0.40 0.00 0.14 0.01 0.02 99.44 03:30:09 1 0.08 0.00 0.21 0.01 0.03 99.68 03:40:09 all 0.41 0.00 0.10 0.02 0.03 99.44 03:40:09 0 0.45 0.00 0.09 0.02 0.04 99.40 03:40:09 1 0.36 0.00 0.11 0.02 0.03 99.48 03:50:09 all 0.25 0.00 0.08 0.01 0.03 99.63 03:50:09 0 0.06 0.00 0.09 0.01 0.04 99.81 03:50:09 1 0.45 0.00 0.07 0.01 0.03 99.45 Average: all 0.30 0.00 0.13 0.01 0.03 99.53 Average: 0 0.33 0.00 0.12 0.02 0.03 99.51 Average: 1 0.27 0.00 0.13 0.01 0.03 99.55