---> uname -a: Linux prd-queue-disttest-2c-1g-2675 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 712 5498 4 2015 7229 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:9f:e8:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82495sec preferred_lft 82495sec inet6 fe80::f816:3eff:fe9f:e87a/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-2675) 04/14/26 _x86_64_ (2 CPU) 04:58:41 LINUX RESTART (2 CPU) 05:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:10 2.33 0.02 2.24 0.06 1.24 668.44 3.63 05:20:01 1.35 0.01 1.34 0.00 0.07 15.87 0.12 05:30:10 2.25 0.32 1.89 0.04 39.50 76.60 0.59 05:40:10 1.36 0.00 1.35 0.02 0.00 15.61 1.08 05:50:00 1.44 0.02 1.41 0.02 0.61 16.49 1.26 06:00:10 14.35 0.00 1.64 12.71 0.14 19.38 106015.77 Average: 3.88 0.06 1.65 2.18 7.02 135.56 17964.84 05:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:10 5787124 7508336 282164 3.47 61668 1840044 534804 5.83 463696 1619000 204 05:20:01 5785372 7507092 283244 3.48 61844 1840376 534804 5.83 463700 1619508 132 05:30:10 5741896 7492660 297180 3.65 62188 1868744 534828 5.83 475204 1636844 188 05:40:10 5749216 7500472 289364 3.56 62348 1869072 534836 5.83 475340 1637332 132 05:50:00 5745024 7496980 292848 3.60 62532 1869580 534980 5.83 475500 1637904 124 06:00:10 5750700 7503368 286396 3.52 62720 1870076 535036 5.83 475728 1638432 132 Average: 5759889 7501485 288533 3.55 62217 1859649 534881 5.83 471528 1631503 152 05:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:10 ens3 2.73 0.16 0.44 0.10 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 1.00 0.05 0.12 0.03 0.00 0.00 0.00 0.00 05:30:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:30:10 ens3 0.79 0.28 3.11 0.08 0.00 0.00 0.00 0.00 05:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:10 ens3 0.35 0.07 0.08 0.03 0.00 0.00 0.00 0.00 05:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 05:50:00 ens3 0.19 0.04 0.05 0.02 0.00 0.00 0.00 0.00 06:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:10 ens3 0.23 0.05 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 0.65 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-2675) 04/14/26 _x86_64_ (2 CPU) 04:58:41 LINUX RESTART (2 CPU) 05:00:10 CPU %user %nice %system %iowait %steal %idle 05:10:10 all 0.28 0.00 0.10 0.02 0.03 99.57 05:10:10 0 0.24 0.00 0.11 0.04 0.03 99.59 05:10:10 1 0.33 0.00 0.09 0.01 0.03 99.54 05:20:01 all 0.26 0.00 0.08 0.01 0.02 99.62 05:20:01 0 0.07 0.00 0.11 0.01 0.03 99.78 05:20:01 1 0.45 0.00 0.06 0.01 0.02 99.47 05:30:10 all 0.36 0.00 0.20 0.02 0.02 99.39 05:30:10 0 0.29 0.00 0.24 0.03 0.03 99.42 05:30:10 1 0.44 0.00 0.17 0.01 0.02 99.37 05:40:10 all 0.26 0.00 0.06 0.01 0.03 99.65 05:40:10 0 0.28 0.00 0.06 0.01 0.03 99.63 05:40:10 1 0.24 0.00 0.06 0.01 0.03 99.67 05:50:00 all 0.25 0.00 0.07 0.01 0.02 99.64 05:50:00 0 0.34 0.00 0.05 0.02 0.02 99.58 05:50:00 1 0.16 0.00 0.09 0.01 0.03 99.71 06:00:10 all 0.27 0.00 0.15 0.03 0.02 99.52 06:00:10 0 0.34 0.00 0.12 0.01 0.01 99.51 06:00:10 1 0.20 0.00 0.18 0.06 0.03 99.53 Average: all 0.28 0.00 0.11 0.02 0.02 99.56 Average: 0 0.26 0.00 0.11 0.02 0.02 99.58 Average: 1 0.30 0.00 0.11 0.02 0.03 99.55