---> uname -a: Linux prd-queue-disttest-2c-1g-25763 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 707 5368 4 2161 7234 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:db:72:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82175sec preferred_lft 82175sec inet6 fe80::f816:3eff:fedb:7264/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-25763) 06/08/26 _x86_64_ (2 CPU) 02:58:41 LINUX RESTART (2 CPU) 03:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:12 3.81 0.03 3.70 0.08 1.39 1104.15 0.99 03:20:01 16.39 14.04 2.28 0.07 184.97 104.69 6.53 03:30:12 1.52 0.00 1.50 0.01 0.00 18.49 159.94 03:40:12 1.35 0.00 1.35 0.00 0.00 15.95 0.12 03:50:12 1.34 0.00 1.34 0.00 0.00 15.96 0.00 04:00:02 1.50 0.00 1.48 0.02 0.00 17.79 165.51 Average: 4.28 2.31 1.94 0.03 30.58 213.93 55.61 03:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:12 5701624 7511568 274956 3.38 63456 1922884 535236 5.83 461104 1703088 168 03:20:01 5582264 7475028 301956 3.71 67400 1993216 730424 7.96 475756 1767992 240 03:30:12 5595316 7488604 288296 3.54 67556 1993544 730448 7.96 475976 1768476 204 03:40:12 5596252 7490012 286860 3.53 67696 1993872 730448 7.96 476032 1768944 160 03:50:12 5596004 7490236 286632 3.52 67832 1994200 730576 7.96 476112 1769408 124 04:00:02 5588960 7483800 292988 3.60 67976 1994660 730644 7.96 476380 1769876 288 Average: 5610070 7489875 288615 3.55 66986 1982063 697963 7.60 473560 1757964 197 03:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:12 ens3 2.04 0.20 0.39 0.12 0.00 0.00 0.00 0.00 03:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 1.65 0.23 3.32 0.03 0.00 0.00 0.00 0.00 03:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:12 ens3 0.47 0.07 0.11 0.05 0.00 0.00 0.00 0.00 03:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:12 ens3 0.33 0.05 0.09 0.03 0.00 0.00 0.00 0.00 03:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:12 ens3 0.35 0.05 0.11 0.03 0.00 0.00 0.00 0.00 04:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:02 ens3 0.25 0.06 0.07 0.03 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 0.85 0.11 0.67 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-25763) 06/08/26 _x86_64_ (2 CPU) 02:58:41 LINUX RESTART (2 CPU) 03:00:09 CPU %user %nice %system %iowait %steal %idle 03:10:12 all 0.33 0.00 0.15 0.03 0.03 99.47 03:10:12 0 0.17 0.00 0.16 0.05 0.04 99.58 03:10:12 1 0.48 0.00 0.13 0.01 0.02 99.36 03:20:01 all 0.42 0.18 0.17 0.14 0.03 99.07 03:20:01 0 0.41 0.01 0.13 0.04 0.03 99.39 03:20:01 1 0.43 0.34 0.22 0.24 0.03 98.74 03:30:12 all 0.26 0.00 0.16 0.01 0.03 99.53 03:30:12 0 0.07 0.00 0.19 0.01 0.04 99.70 03:30:12 1 0.46 0.00 0.14 0.01 0.02 99.37 03:40:12 all 0.24 0.00 0.07 0.01 0.02 99.66 03:40:12 0 0.05 0.00 0.08 0.01 0.03 99.83 03:40:12 1 0.44 0.00 0.06 0.00 0.02 99.48 03:50:12 all 0.22 0.00 0.07 0.01 0.03 99.68 03:50:12 0 0.05 0.00 0.09 0.01 0.04 99.82 03:50:12 1 0.39 0.00 0.05 0.00 0.02 99.54 04:00:02 all 0.24 0.00 0.16 0.01 0.03 99.56 04:00:02 0 0.06 0.00 0.19 0.01 0.04 99.70 04:00:02 1 0.42 0.00 0.14 0.01 0.02 99.42 Average: all 0.29 0.03 0.13 0.03 0.03 99.50 Average: 0 0.13 0.00 0.14 0.02 0.03 99.67 Average: 1 0.44 0.06 0.12 0.04 0.02 99.32