---> uname -a: Linux prd-queue-disttest-2c-1g-32449 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 720 5417 4 2090 7221 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:e0:6d:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82207sec preferred_lft 82207sec inet6 fe80::f816:3eff:fee0:6d4a/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-32449) 07/03/26 _x86_64_ (2 CPU) 00:32:02 LINUX RESTART (2 CPU) 00:40:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.33 0.01 1.31 0.01 1.16 16.03 0.18 01:00:37 1.40 0.00 1.39 0.01 0.00 17.20 0.21 01:10:47 1.36 0.00 1.34 0.02 0.00 16.85 0.87 01:20:01 15.36 0.01 1.31 14.05 0.17 16.36 116524.24 01:30:47 1.42 0.00 1.39 0.04 0.00 17.98 0.35 01:40:14 1.24 0.00 1.22 0.02 0.00 15.45 0.13 Average: 3.52 0.00 1.33 2.19 0.21 16.69 17995.87 00:40:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5646812 7478152 307732 3.78 63672 1944032 561408 6.11 487948 1716320 120 01:00:37 5649940 7481840 303988 3.74 63832 1944400 561408 6.11 489212 1716848 128 01:10:47 5649716 7482144 303628 3.73 64020 1944740 616636 6.72 497952 1717372 124 01:20:01 5648964 7481904 303824 3.74 64188 1945072 561560 6.12 494708 1717848 124 01:30:47 5650548 7484192 301524 3.71 64384 1945572 561660 6.12 495284 1718416 148 01:40:14 5657380 7491544 294160 3.62 64576 1945900 561660 6.12 495368 1718928 220 Average: 5650560 7483296 302476 3.72 64112 1944953 570722 6.22 493412 1717622 144 00:40:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.11 0.14 0.29 0.07 0.00 0.00 0.00 0.00 01:00:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:37 ens3 0.53 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:47 ens3 0.80 0.18 0.23 0.13 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.53 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:47 ens3 0.31 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 0.38 0.09 0.11 0.06 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 0.77 0.10 0.15 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-32449) 07/03/26 _x86_64_ (2 CPU) 00:32:02 LINUX RESTART (2 CPU) 00:40:30 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.24 0.00 0.08 0.02 0.02 99.64 00:50:01 0 0.41 0.00 0.07 0.00 0.01 99.50 00:50:01 1 0.07 0.00 0.09 0.04 0.02 99.78 01:00:37 all 0.27 0.00 0.14 0.02 0.02 99.55 01:00:37 0 0.40 0.00 0.12 0.00 0.01 99.46 01:00:37 1 0.13 0.00 0.17 0.03 0.02 99.65 01:10:47 all 0.24 0.00 0.08 0.01 0.02 99.66 01:10:47 0 0.07 0.00 0.09 0.00 0.02 99.82 01:10:47 1 0.41 0.00 0.07 0.01 0.01 99.50 01:20:01 all 0.21 0.00 0.09 0.03 0.02 99.66 01:20:01 0 0.12 0.00 0.09 0.04 0.01 99.74 01:20:01 1 0.29 0.00 0.09 0.02 0.02 99.58 01:30:47 all 0.27 0.00 0.14 0.01 0.02 99.56 01:30:47 0 0.07 0.00 0.16 0.01 0.02 99.74 01:30:47 1 0.47 0.00 0.13 0.00 0.01 99.38 01:40:14 all 0.24 0.00 0.07 0.01 0.02 99.67 01:40:14 0 0.22 0.00 0.08 0.01 0.02 99.67 01:40:14 1 0.25 0.00 0.06 0.00 0.02 99.67 Average: all 0.25 0.00 0.10 0.01 0.02 99.62 Average: 0 0.22 0.00 0.10 0.01 0.02 99.65 Average: 1 0.28 0.00 0.10 0.02 0.02 99.59