---> uname -a: Linux prd-queue-disttest-2c-1g-3715 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 690 5523 4 2011 7251 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:f2:2e:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82497sec preferred_lft 82497sec inet6 fe80::f816:3eff:fef2:2e37/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-3715) 04/17/26 _x86_64_ (2 CPU) 01:38:42 LINUX RESTART (2 CPU) 01:40:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:19 1.92 0.03 1.83 0.06 1.24 386.59 9.43 02:00:01 1.52 0.01 1.50 0.02 0.05 18.25 0.36 02:10:19 2.00 0.31 1.68 0.01 37.89 72.77 0.31 02:20:19 1.36 0.01 1.33 0.02 1.07 16.15 1.13 02:30:09 1.56 0.00 1.53 0.03 0.00 18.71 1.34 02:40:19 14.13 0.00 1.44 12.68 0.14 17.17 106004.49 Average: 3.79 0.06 1.55 2.17 6.92 88.54 17963.72 01:40:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:19 5790660 7508100 282796 3.48 61624 1836336 526868 5.74 467348 1615180 176 02:00:01 5794300 7512272 278452 3.42 61808 1836672 526892 5.74 467508 1615700 168 02:10:19 5737332 7484008 306228 3.77 62108 1864804 726160 7.91 484528 1633068 120 02:20:19 5737332 7484852 305492 3.76 62308 1865440 527056 5.74 479016 1633592 236 02:30:09 5739900 7487952 302372 3.72 62496 1865780 527056 5.74 479044 1634112 320 02:40:19 5747488 7496240 294048 3.62 62684 1866268 527120 5.74 479328 1634640 132 Average: 5757835 7495571 294898 3.63 62171 1855883 560192 6.10 476129 1627715 192 01:40:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:19 ens3 3.57 0.21 0.61 0.16 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.99 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.57 0.20 3.00 0.03 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.34 0.04 0.18 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.29 0.03 0.25 0.01 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.36 0.06 0.10 0.05 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 1.02 0.10 0.72 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-3715) 04/17/26 _x86_64_ (2 CPU) 01:38:42 LINUX RESTART (2 CPU) 01:40:19 CPU %user %nice %system %iowait %steal %idle 01:50:19 all 0.22 0.00 0.08 0.04 0.04 99.63 01:50:19 0 0.16 0.00 0.09 0.04 0.04 99.68 01:50:19 1 0.27 0.00 0.08 0.05 0.03 99.58 02:00:01 all 0.26 0.00 0.16 0.03 0.03 99.52 02:00:01 0 0.09 0.00 0.18 0.02 0.03 99.67 02:00:01 1 0.43 0.00 0.14 0.04 0.02 99.37 02:10:19 all 0.35 0.00 0.10 0.02 0.03 99.50 02:10:19 0 0.26 0.00 0.15 0.03 0.04 99.53 02:10:19 1 0.44 0.00 0.06 0.01 0.02 99.47 02:20:19 all 0.21 0.00 0.06 0.01 0.03 99.69 02:20:19 0 0.05 0.00 0.08 0.01 0.03 99.83 02:20:19 1 0.38 0.00 0.05 0.01 0.02 99.54 02:30:09 all 0.26 0.00 0.15 0.07 0.02 99.50 02:30:09 0 0.07 0.00 0.17 0.05 0.03 99.68 02:30:09 1 0.44 0.00 0.12 0.10 0.02 99.32 02:40:19 all 0.23 0.00 0.07 0.06 0.03 99.61 02:40:19 0 0.06 0.00 0.11 0.07 0.04 99.73 02:40:19 1 0.40 0.00 0.04 0.06 0.02 99.49 Average: all 0.25 0.00 0.11 0.04 0.03 99.57 Average: 0 0.12 0.00 0.13 0.03 0.03 99.69 Average: 1 0.39 0.00 0.08 0.04 0.02 99.46