---> uname -a: Linux prd-queue-disttest-2c-1g-6901 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: 5600.00 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 705 5504 4 2016 7236 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:15:3a:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82184sec preferred_lft 82184sec inet6 fe80::f816:3eff:fe15:3a6c/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-6901) 04/23/26 _x86_64_ (2 CPU) 02:49:02 LINUX RESTART (2 CPU) 02:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:48 4.85 0.06 4.57 0.22 6.17 1103.91 3.56 03:10:01 1.20 0.01 1.18 0.01 0.06 14.19 0.78 03:20:48 1.17 0.00 1.15 0.02 0.01 13.84 1.13 03:30:48 1.46 0.00 1.42 0.04 0.00 17.72 1.32 03:40:01 1.24 0.00 1.22 0.02 0.00 14.76 1.17 03:50:48 1.89 0.30 1.55 0.03 37.14 69.80 1.35 Average: 2.01 0.07 1.89 0.06 7.70 217.61 1.58 02:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:48 5790480 7512912 277796 3.42 61664 1840956 534668 5.82 466752 1619488 156 03:10:01 5788720 7511608 278884 3.43 61832 1841256 534804 5.83 466928 1619944 152 03:20:48 5788196 7511648 278888 3.43 62028 1841612 534892 5.83 466912 1620508 124 03:30:48 5774612 7498588 291936 3.59 62224 1841936 534964 5.83 467144 1621028 124 03:40:01 5773856 7498276 292248 3.59 62376 1842228 534888 5.83 467240 1621472 124 03:50:48 5733064 7486848 303288 3.73 62692 1870976 534964 5.83 478760 1639032 124 Average: 5774821 7503313 287173 3.53 62136 1846494 534863 5.83 468956 1623579 134 02:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:48 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:48 ens3 5.49 2.11 41.77 0.42 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 0.89 0.04 0.08 0.02 0.00 0.00 0.00 0.00 03:20:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:48 ens3 0.73 0.02 0.08 0.01 0.00 0.00 0.00 0.00 03:30:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:48 ens3 0.90 0.06 0.14 0.05 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.37 0.06 0.09 0.04 0.00 0.00 0.00 0.00 03:50:48 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:48 ens3 0.68 0.23 2.89 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 1.56 0.45 7.97 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-6901) 04/23/26 _x86_64_ (2 CPU) 02:49:02 LINUX RESTART (2 CPU) 02:50:02 CPU %user %nice %system %iowait %steal %idle 03:00:48 all 1.04 0.00 0.32 0.06 0.03 98.55 03:00:48 0 1.34 0.00 0.40 0.07 0.04 98.15 03:00:48 1 0.73 0.00 0.24 0.05 0.03 98.94 03:10:01 all 0.24 0.00 0.09 0.01 0.03 99.63 03:10:01 0 0.15 0.00 0.09 0.01 0.03 99.73 03:10:01 1 0.33 0.00 0.10 0.01 0.03 99.54 03:20:48 all 0.25 0.00 0.07 0.01 0.02 99.65 03:20:48 0 0.05 0.00 0.07 0.00 0.03 99.85 03:20:48 1 0.45 0.00 0.07 0.01 0.02 99.45 03:30:48 all 0.29 0.00 0.19 0.01 0.02 99.50 03:30:48 0 0.34 0.00 0.18 0.01 0.02 99.46 03:30:48 1 0.24 0.00 0.20 0.01 0.02 99.54 03:40:01 all 0.23 0.00 0.07 0.06 0.09 99.54 03:40:01 0 0.33 0.00 0.07 0.12 0.01 99.47 03:40:01 1 0.14 0.00 0.08 0.00 0.16 99.61 03:50:48 all 0.37 0.00 0.13 0.02 0.01 99.46 03:50:48 0 0.29 0.00 0.15 0.02 0.01 99.53 03:50:48 1 0.45 0.00 0.12 0.02 0.02 99.39 Average: all 0.41 0.00 0.15 0.03 0.03 99.38 Average: 0 0.42 0.00 0.16 0.04 0.02 99.35 Average: 1 0.40 0.00 0.13 0.02 0.04 99.40