---> uname -a: Linux prd-queue-disttest-2c-1g-1390 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 714 5445 4 2074 7227 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:fd:ea:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82377sec preferred_lft 82377sec inet6 fe80::f816:3eff:fefd:ea8b/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-1390) 04/09/26 _x86_64_ (2 CPU) 02:48:41 LINUX RESTART (2 CPU) 02:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:04 3.12 0.04 3.01 0.07 1.83 795.86 4.02 03:10:25 1.20 0.01 1.20 0.00 0.05 14.52 0.12 03:20:02 14.69 0.01 1.27 13.41 0.17 15.14 112195.50 03:30:22 1.41 0.00 1.38 0.03 0.00 17.72 1.30 03:40:14 15.86 13.72 2.06 0.07 152.79 45.17 166.08 03:50:25 2.02 0.32 1.67 0.03 39.37 72.94 1.43 Average: 6.24 2.30 1.76 2.17 31.93 159.91 17885.85 02:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:04 5778540 7495768 294940 3.63 61688 1836076 534696 5.82 461588 1614860 312 03:10:25 5778716 7496432 294120 3.62 61848 1836396 534644 5.82 461584 1615348 136 03:20:02 5777748 7495988 294568 3.62 62000 1836768 534644 5.82 461624 1615844 224 03:30:22 5778800 7497532 292988 3.60 62168 1837096 534832 5.83 461764 1616340 188 03:40:14 5702084 7477504 304016 3.74 65988 1881720 534832 5.83 462432 1664176 52 03:50:25 5678688 7483308 297744 3.66 66340 1910168 534832 5.83 473988 1681472 132 Average: 5749096 7491089 296396 3.64 63339 1856371 534747 5.82 463830 1634673 174 02:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 2.62 0.23 0.54 0.18 0.00 0.00 0.00 0.00 03:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:25 ens3 1.06 0.04 0.11 0.01 0.00 0.00 0.00 0.00 03:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 1.31 0.03 2.91 0.01 0.00 0.00 0.00 0.00 03:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:22 ens3 0.93 0.09 0.14 0.05 0.00 0.00 0.00 0.00 03:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:14 ens3 0.38 0.06 0.22 0.03 0.00 0.00 0.00 0.00 03:50:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:25 ens3 0.96 0.20 3.04 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 1.21 0.11 1.14 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1390) 04/09/26 _x86_64_ (2 CPU) 02:48:41 LINUX RESTART (2 CPU) 02:50:02 CPU %user %nice %system %iowait %steal %idle 03:00:04 all 0.30 0.00 0.20 0.04 0.03 99.44 03:00:04 0 0.30 0.00 0.17 0.04 0.02 99.46 03:00:04 1 0.29 0.00 0.23 0.03 0.03 99.42 03:10:25 all 0.24 0.00 0.07 0.01 0.02 99.65 03:10:25 0 0.19 0.00 0.07 0.02 0.02 99.70 03:10:25 1 0.29 0.00 0.08 0.00 0.02 99.61 03:20:02 all 0.21 0.00 0.09 0.03 0.02 99.65 03:20:02 0 0.11 0.00 0.10 0.06 0.02 99.71 03:20:02 1 0.31 0.00 0.07 0.00 0.02 99.59 03:30:22 all 0.25 0.00 0.14 0.01 0.02 99.58 03:30:22 0 0.26 0.00 0.14 0.01 0.02 99.56 03:30:22 1 0.23 0.00 0.14 0.00 0.02 99.60 03:40:14 all 0.24 0.17 0.14 0.14 0.02 99.30 03:40:14 0 0.42 0.00 0.07 0.02 0.02 99.48 03:40:14 1 0.05 0.34 0.21 0.25 0.02 99.12 03:50:25 all 0.37 0.00 0.11 0.02 0.02 99.48 03:50:25 0 0.49 0.00 0.07 0.01 0.02 99.42 03:50:25 1 0.25 0.00 0.14 0.04 0.02 99.55 Average: all 0.27 0.03 0.13 0.04 0.02 99.52 Average: 0 0.30 0.00 0.10 0.03 0.02 99.55 Average: 1 0.24 0.06 0.15 0.05 0.02 99.48