---> uname -a: Linux prd-queue-disttest-2c-1g-2419 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 713 5501 4 2010 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:c7:40:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82265sec preferred_lft 82265sec inet6 fe80::f816:3eff:fec7:4083/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-2419) 04/13/26 _x86_64_ (2 CPU) 02:48:44 LINUX RESTART (2 CPU) 02:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:14 2.29 0.03 2.19 0.08 1.24 565.87 3.99 03:10:01 1.40 0.01 1.39 0.00 0.05 16.26 0.12 03:20:14 1.39 0.00 1.39 0.00 0.01 15.87 0.00 03:30:04 2.32 0.34 1.93 0.05 40.30 78.78 1.69 03:40:01 14.45 0.00 1.48 12.96 0.15 17.35 108269.87 03:50:14 1.37 0.00 1.35 0.02 0.00 15.98 1.19 Average: 3.86 0.06 1.62 2.18 6.85 118.17 17962.88 02:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:14 5759816 7477040 313940 3.86 61672 1836128 540824 5.89 467712 1614940 168 03:10:01 5774964 7492688 298120 3.67 61844 1836464 540892 5.89 467788 1615448 132 03:20:14 5789888 7508096 282752 3.48 62008 1836792 541080 5.89 467856 1615940 124 03:30:04 5728660 7475792 314384 3.87 62328 1865028 739640 8.06 485104 1633312 184 03:40:01 5736472 7484308 305860 3.76 62528 1865532 739640 8.06 485360 1633860 240 03:50:14 5744060 7492444 297720 3.66 62736 1865864 739640 8.06 485308 1634400 224 Average: 5755643 7488395 302129 3.72 62186 1850968 640286 6.97 476521 1624650 179 02:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:14 ens3 3.40 0.21 0.58 0.16 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.87 0.04 0.08 0.01 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 0.46 0.04 0.05 0.01 0.00 0.00 0.00 0.00 03:30:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:30:04 ens3 0.94 0.33 3.24 0.10 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.40 0.06 0.08 0.03 0.00 0.00 0.00 0.00 03:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:14 ens3 0.26 0.03 0.06 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 1.05 0.12 0.67 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-2419) 04/13/26 _x86_64_ (2 CPU) 02:48:44 LINUX RESTART (2 CPU) 02:50:14 CPU %user %nice %system %iowait %steal %idle 03:00:14 all 0.29 0.00 0.21 0.03 0.02 99.45 03:00:14 0 0.12 0.00 0.20 0.01 0.02 99.64 03:00:14 1 0.46 0.00 0.21 0.05 0.02 99.26 03:10:01 all 0.25 0.00 0.08 0.01 0.02 99.64 03:10:01 0 0.07 0.00 0.09 0.01 0.02 99.81 03:10:01 1 0.43 0.00 0.08 0.01 0.01 99.47 03:20:14 all 0.23 0.00 0.08 0.01 0.02 99.67 03:20:14 0 0.15 0.00 0.08 0.01 0.02 99.74 03:20:14 1 0.31 0.00 0.08 0.00 0.01 99.59 03:30:04 all 0.43 0.00 0.22 0.02 0.02 99.31 03:30:04 0 0.39 0.00 0.22 0.02 0.02 99.36 03:30:04 1 0.48 0.00 0.22 0.02 0.02 99.26 03:40:01 all 0.25 0.00 0.09 0.03 0.02 99.62 03:40:01 0 0.44 0.00 0.07 0.02 0.01 99.46 03:40:01 1 0.06 0.00 0.10 0.04 0.02 99.78 03:50:14 all 0.24 0.00 0.07 0.01 0.01 99.67 03:50:14 0 0.06 0.00 0.09 0.01 0.02 99.82 03:50:14 1 0.42 0.00 0.05 0.00 0.01 99.51 Average: all 0.28 0.00 0.12 0.02 0.02 99.56 Average: 0 0.20 0.00 0.12 0.01 0.02 99.64 Average: 1 0.36 0.00 0.12 0.02 0.02 99.48