---> uname -a: Linux prd-queue-disttest-2c-1g-14222 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 694 5513 4 2017 7247 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:f6:a6:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82556sec preferred_lft 82556sec inet6 fe80::f816:3eff:fef6:a680/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-14222) 05/14/26 _x86_64_ (2 CPU) 01:48:45 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 4.39 0.28 4.03 0.09 31.76 1120.33 2.89 02:10:01 1.55 0.02 1.51 0.01 0.67 24.80 0.78 02:20:14 1.38 0.00 1.36 0.02 0.01 15.45 1.17 02:30:14 1.63 0.00 1.59 0.04 0.00 19.21 1.43 02:40:01 1.39 0.00 1.37 0.02 0.00 16.05 1.23 02:50:04 1.34 0.00 1.32 0.02 0.00 15.48 1.31 Average: 1.96 0.05 1.87 0.03 5.51 205.36 1.47 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 5739284 7488484 302248 3.72 61696 1867464 721680 7.86 477348 1637212 2500 02:10:01 5747168 7497088 293368 3.61 61884 1867972 721832 7.86 477640 1637788 184 02:20:14 5747056 7497508 292944 3.60 62088 1868292 721856 7.86 477660 1638312 168 02:30:14 5743888 7494900 295460 3.63 62288 1868624 721856 7.86 477668 1638844 188 02:40:01 5747120 7498644 291720 3.59 62456 1868956 721856 7.86 477772 1639344 164 02:50:04 5746112 7498248 292104 3.59 62616 1869404 721924 7.86 478012 1639820 232 Average: 5745105 7495812 294641 3.62 62171 1868452 721834 7.86 477683 1638553 573 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 3.23 0.43 3.55 0.16 0.00 0.00 0.00 0.00 02:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.78 0.06 0.08 0.02 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.37 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.37 0.05 0.09 0.03 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.26 0.04 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 0.88 0.11 0.66 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-14222) 05/14/26 _x86_64_ (2 CPU) 01:48:45 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.43 0.00 0.27 0.08 0.03 99.20 02:00:14 0 0.47 0.00 0.26 0.07 0.03 99.17 02:00:14 1 0.38 0.00 0.27 0.08 0.03 99.23 02:10:01 all 0.24 0.00 0.09 0.01 0.03 99.64 02:10:01 0 0.33 0.00 0.09 0.01 0.02 99.54 02:10:01 1 0.14 0.00 0.08 0.00 0.03 99.74 02:20:14 all 0.21 0.00 0.07 0.00 0.02 99.70 02:20:14 0 0.36 0.00 0.06 0.00 0.01 99.56 02:20:14 1 0.05 0.00 0.09 0.00 0.03 99.83 02:30:14 all 0.29 0.00 0.17 0.01 0.02 99.51 02:30:14 0 0.48 0.00 0.13 0.01 0.01 99.37 02:30:14 1 0.09 0.00 0.21 0.01 0.03 99.66 02:40:01 all 0.28 0.00 0.08 0.01 0.03 99.61 02:40:01 0 0.47 0.00 0.06 0.00 0.02 99.45 02:40:01 1 0.09 0.00 0.10 0.01 0.03 99.78 02:50:04 all 0.23 0.00 0.07 0.01 0.02 99.68 02:50:04 0 0.40 0.00 0.03 0.01 0.01 99.55 02:50:04 1 0.06 0.00 0.10 0.00 0.03 99.81 Average: all 0.28 0.00 0.12 0.02 0.02 99.56 Average: 0 0.42 0.00 0.11 0.02 0.02 99.44 Average: 1 0.14 0.00 0.14 0.02 0.03 99.67