---> uname -a: Linux prd-queue-disttest-2c-1g-31911 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 711 5426 4 2091 7230 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:92:af:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82503sec preferred_lft 82503sec inet6 fe80::f816:3eff:fe92:af07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-31911) 07/01/26 _x86_64_ (2 CPU) 00:33:43 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 1.74 0.26 1.44 0.03 31.95 74.73 1.31 01:00:04 1.40 0.00 1.37 0.03 0.00 17.57 1.32 01:10:04 1.28 0.00 1.27 0.01 0.00 15.87 0.51 01:20:04 1.21 0.00 1.21 0.01 0.01 14.95 0.05 01:30:04 1.36 0.00 1.35 0.01 0.00 17.47 0.23 Average: 1.40 0.05 1.33 0.02 6.42 28.16 0.68 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 5634748 7466684 318800 3.92 63680 1944632 536292 5.84 475676 1716224 184 01:00:04 5637144 7469652 315828 3.88 63884 1944980 536292 5.84 475760 1716776 260 01:10:04 5652296 7485328 300100 3.69 64068 1945316 591516 6.44 480996 1717292 252 01:20:04 5659120 7492620 292840 3.60 64216 1945632 536440 5.84 476092 1717756 296 01:30:04 5669304 7503452 282056 3.47 64388 1946096 536440 5.84 476076 1718260 268 Average: 5650522 7483547 301925 3.71 64047 1945331 547396 5.96 476920 1717262 252 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 1.34 0.26 3.27 0.07 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.43 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.54 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.43 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 1.23 0.04 0.17 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 0.79 0.11 0.75 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-31911) 07/01/26 _x86_64_ (2 CPU) 00:33:43 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.36 0.00 0.13 2.76 0.02 96.73 00:50:04 0 0.44 0.00 0.09 0.85 0.02 98.59 00:50:04 1 0.27 0.00 0.16 4.66 0.03 94.88 01:00:04 all 0.27 0.00 0.19 0.01 0.03 99.49 01:00:04 0 0.39 0.00 0.17 0.01 0.04 99.40 01:00:04 1 0.16 0.00 0.22 0.01 0.03 99.58 01:10:04 all 0.25 0.00 0.09 0.01 0.02 99.64 01:10:04 0 0.07 0.00 0.10 0.01 0.02 99.80 01:10:04 1 0.43 0.00 0.07 0.01 0.02 99.48 01:20:04 all 0.22 0.00 0.07 0.04 0.02 99.64 01:20:04 0 0.06 0.00 0.09 0.02 0.03 99.81 01:20:04 1 0.39 0.00 0.06 0.06 0.02 99.47 01:30:04 all 0.26 0.00 0.17 0.03 0.03 99.52 01:30:04 0 0.22 0.00 0.17 0.02 0.02 99.57 01:30:04 1 0.30 0.00 0.17 0.04 0.03 99.47 Average: all 0.27 0.00 0.13 0.57 0.02 99.00 Average: 0 0.24 0.00 0.12 0.18 0.03 99.43 Average: 1 0.31 0.00 0.14 0.96 0.02 98.57