---> uname -a: Linux prd-queue-disttest-2c-1g-9786 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 692 5512 4 2020 7249 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:d0:5b:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82333sec preferred_lft 82333sec inet6 fe80::f816:3eff:fed0:5b03/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-9786) 04/30/26 _x86_64_ (2 CPU) 02:48:41 LINUX RESTART (2 CPU) 02:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:10 2.43 0.03 2.33 0.08 1.26 574.46 1.11 03:10:01 14.56 0.01 1.45 13.10 0.20 17.12 109431.54 03:20:20 1.42 0.00 1.40 0.02 0.01 16.46 1.16 03:30:10 2.20 0.26 1.89 0.05 32.58 79.52 1.68 03:40:01 1.39 0.00 1.37 0.02 0.00 15.96 1.10 03:50:20 1.44 0.00 1.42 0.02 0.00 16.69 1.28 Average: 3.87 0.05 1.64 2.18 5.58 118.31 17970.68 02:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:10 5774504 7501356 289220 3.56 61692 1845308 537488 5.85 465136 1623924 304 03:10:01 5777772 7505180 285220 3.51 61884 1845680 537496 5.85 465340 1624464 148 03:20:20 5775264 7503196 287208 3.53 62080 1846008 537628 5.86 465356 1624988 124 03:30:10 5750220 7504968 285032 3.50 62396 1872212 537628 5.86 474712 1642424 256 03:40:01 5750608 7505844 284148 3.49 62552 1872532 537636 5.86 474716 1642908 124 03:50:20 5749100 7505004 284980 3.50 62756 1872988 537628 5.86 474952 1643440 164 Average: 5762911 7504258 285968 3.52 62227 1859121 537584 5.86 470035 1633691 187 02:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:10 ens3 3.26 0.22 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 1.06 0.04 0.09 0.01 0.00 0.00 0.00 0.00 03:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:20 ens3 0.76 0.05 0.08 0.01 0.00 0.00 0.00 0.00 03:30:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:10 ens3 1.09 0.29 3.27 0.07 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 0.42 0.05 0.25 0.03 0.00 0.00 0.00 0.00 03:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:20 ens3 0.65 0.04 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 1.20 0.11 0.71 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-9786) 04/30/26 _x86_64_ (2 CPU) 02:48:41 LINUX RESTART (2 CPU) 02:50:20 CPU %user %nice %system %iowait %steal %idle 03:00:10 all 0.28 0.00 0.22 0.08 0.02 99.40 03:00:10 0 0.19 0.00 0.21 0.14 0.03 99.44 03:00:10 1 0.37 0.00 0.22 0.02 0.02 99.37 03:10:01 all 0.25 0.00 0.10 0.04 0.02 99.59 03:10:01 0 0.14 0.00 0.09 0.07 0.02 99.68 03:10:01 1 0.37 0.00 0.10 0.01 0.02 99.50 03:20:20 all 0.23 0.00 0.07 0.03 0.03 99.65 03:20:20 0 0.34 0.00 0.06 0.05 0.02 99.53 03:20:20 1 0.11 0.00 0.09 0.00 0.03 99.76 03:30:10 all 0.40 0.00 0.19 0.02 0.02 99.37 03:30:10 0 0.34 0.00 0.20 0.03 0.02 99.41 03:30:10 1 0.47 0.00 0.18 0.01 0.02 99.32 03:40:01 all 0.23 0.00 0.07 0.01 0.02 99.68 03:40:01 0 0.05 0.00 0.08 0.01 0.03 99.83 03:40:01 1 0.40 0.00 0.06 0.01 0.02 99.52 03:50:20 all 0.26 0.00 0.06 0.01 0.02 99.65 03:50:20 0 0.05 0.00 0.09 0.01 0.03 99.82 03:50:20 1 0.46 0.00 0.04 0.00 0.02 99.48 Average: all 0.27 0.00 0.12 0.03 0.02 99.56 Average: 0 0.18 0.00 0.12 0.05 0.03 99.62 Average: 1 0.36 0.00 0.11 0.01 0.02 99.49