---> uname -a: Linux prd-queue-disttest-2c-1g-25730 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 696 5435 4 2098 7245 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:81:8a:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82383sec preferred_lft 82383sec inet6 fe80::f816:3eff:fe81:8a7a/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-25730) 06/08/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:13 3.36 0.07 3.19 0.10 6.64 931.80 11.55 02:10:01 1.19 0.01 1.17 0.01 0.05 14.47 0.63 02:20:13 1.23 0.00 1.22 0.01 0.01 14.83 0.95 02:30:13 14.40 0.00 1.42 12.98 0.15 18.03 107551.73 02:40:01 1.15 0.00 1.15 0.00 0.00 14.44 0.00 02:50:13 1.76 0.25 1.50 0.01 30.39 73.03 0.17 Average: 3.85 0.06 1.61 2.19 6.31 177.96 17927.51 01:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:13 5687876 7497644 288996 3.55 63452 1922708 521804 5.68 460660 1703084 216 02:10:01 5694964 7505232 281252 3.46 63628 1923036 521804 5.68 460764 1703588 168 02:20:13 5694472 7505256 281224 3.46 63816 1923364 521972 5.69 460752 1704104 220 02:30:13 5689688 7501012 285456 3.51 63968 1923736 521972 5.69 460876 1704600 280 02:40:01 5686916 7498728 287740 3.54 64128 1924064 522028 5.69 460940 1705088 184 02:50:13 5649560 7488072 298088 3.67 64424 1950224 717296 7.81 475492 1722652 200 Average: 5683913 7499324 287126 3.53 63903 1927855 554479 6.04 463247 1707186 211 01:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 5.45 1.51 40.44 0.30 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.05 0.05 0.09 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.41 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.31 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.48 0.08 0.13 0.06 0.00 0.00 0.00 0.00 02:50:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 0.51 0.24 3.11 0.05 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 1.37 0.33 7.32 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-25730) 06/08/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:13 CPU %user %nice %system %iowait %steal %idle 02:00:13 all 0.83 0.00 0.32 0.13 0.07 98.64 02:00:13 0 1.18 0.00 0.36 0.15 0.12 98.20 02:00:13 1 0.48 0.00 0.28 0.12 0.03 99.09 02:10:01 all 0.25 0.00 0.09 0.01 0.02 99.64 02:10:01 0 0.11 0.00 0.08 0.00 0.02 99.78 02:10:01 1 0.39 0.00 0.10 0.01 0.01 99.49 02:20:13 all 0.25 0.00 0.08 0.01 0.01 99.65 02:20:13 0 0.06 0.00 0.10 0.01 0.02 99.81 02:20:13 1 0.44 0.00 0.05 0.01 0.01 99.49 02:30:13 all 0.26 0.00 0.18 0.03 0.02 99.50 02:30:13 0 0.08 0.00 0.19 0.04 0.02 99.67 02:30:13 1 0.45 0.00 0.17 0.02 0.03 99.33 02:40:01 all 0.23 0.00 0.07 0.01 0.01 99.68 02:40:01 0 0.05 0.00 0.08 0.01 0.02 99.84 02:40:01 1 0.41 0.00 0.05 0.00 0.01 99.52 02:50:13 all 0.36 0.00 0.10 0.09 0.02 99.43 02:50:13 0 0.41 0.00 0.07 0.06 0.01 99.44 02:50:13 1 0.31 0.00 0.13 0.12 0.03 99.41 Average: all 0.37 0.00 0.14 0.05 0.03 99.42 Average: 0 0.32 0.00 0.15 0.05 0.03 99.46 Average: 1 0.41 0.00 0.13 0.05 0.02 99.39