---> uname -a: Linux prd-queue-disttest-2c-1g-19700 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 708 5431 4 2089 7233 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:a1:10:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82268sec preferred_lft 82268sec inet6 fe80::f816:3eff:fea1:1024/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-19700) 05/25/26 _x86_64_ (2 CPU) 02:48:38 LINUX RESTART (2 CPU) 02:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:08 4.86 0.07 4.69 0.10 6.57 1295.76 2.31 03:10:01 1.37 0.01 1.36 0.01 0.05 16.03 0.36 03:20:01 1.38 0.00 1.37 0.00 0.01 16.06 0.00 03:30:18 1.60 0.00 1.58 0.02 0.00 19.90 0.25 03:40:02 1.35 0.00 1.35 0.00 0.00 16.49 0.00 03:50:18 14.47 0.25 1.65 12.57 31.31 74.17 104578.40 Average: 4.23 0.06 2.01 2.16 6.45 241.31 17838.77 02:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:08 5707324 7506984 279956 3.44 63096 1913468 530800 5.78 465708 1693688 220 03:10:01 5709980 7510124 276640 3.40 63256 1913796 530800 5.78 465852 1694176 124 03:20:01 5710940 7511556 275208 3.38 63412 1914120 530800 5.78 465676 1694656 160 03:30:18 5708168 7509280 277480 3.41 63576 1914452 530976 5.78 465924 1695152 184 03:40:02 5716160 7517748 269012 3.31 63724 1914780 530992 5.78 465988 1695628 240 03:50:18 5664376 7493100 293284 3.61 64024 1941368 530992 5.78 475276 1713284 268 Average: 5702825 7508132 278597 3.43 63515 1918664 530893 5.78 467404 1697764 199 02:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 4.53 1.35 39.61 0.29 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 1.59 0.03 0.16 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.54 0.02 0.07 0.01 0.00 0.00 0.00 0.00 03:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:18 ens3 0.56 0.11 0.12 0.06 0.00 0.00 0.00 0.00 03:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:02 ens3 0.39 0.05 0.08 0.03 0.00 0.00 0.00 0.00 03:50:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:18 ens3 0.46 0.22 3.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.35 0.30 7.24 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-19700) 05/25/26 _x86_64_ (2 CPU) 02:48:38 LINUX RESTART (2 CPU) 02:50:02 CPU %user %nice %system %iowait %steal %idle 03:00:08 all 0.75 0.00 0.30 0.04 0.03 98.88 03:00:08 0 0.41 0.00 0.25 0.02 0.03 99.29 03:00:08 1 1.08 0.00 0.35 0.06 0.03 98.47 03:10:01 all 0.23 0.00 0.08 0.01 0.03 99.65 03:10:01 0 0.41 0.00 0.07 0.00 0.02 99.50 03:10:01 1 0.06 0.00 0.09 0.01 0.03 99.81 03:20:01 all 0.24 0.00 0.07 0.01 0.02 99.67 03:20:01 0 0.43 0.00 0.05 0.01 0.01 99.50 03:20:01 1 0.05 0.00 0.09 0.00 0.03 99.83 03:30:18 all 0.24 0.00 0.15 0.01 0.03 99.57 03:30:18 0 0.32 0.00 0.13 0.01 0.02 99.51 03:30:18 1 0.17 0.00 0.16 0.00 0.03 99.63 03:40:02 all 0.23 0.00 0.06 0.01 0.03 99.67 03:40:02 0 0.31 0.00 0.05 0.01 0.02 99.61 03:40:02 1 0.15 0.00 0.08 0.00 0.04 99.73 03:50:18 all 0.36 0.00 0.10 0.04 0.03 99.47 03:50:18 0 0.37 0.00 0.14 0.07 0.04 99.38 03:50:18 1 0.35 0.00 0.06 0.01 0.03 99.55 Average: all 0.34 0.00 0.13 0.02 0.03 99.48 Average: 0 0.38 0.00 0.11 0.02 0.02 99.46 Average: 1 0.31 0.00 0.14 0.02 0.03 99.50