---> uname -a: Linux prd-queue-disttest-2c-1g-10986 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: 5599.86 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 693 5511 4 2021 7248 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:36:8b:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82266sec preferred_lft 82266sec inet6 fe80::f816:3eff:fe36:8bd6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-10986) 05/05/26 _x86_64_ (2 CPU) 02:49:04 LINUX RESTART (2 CPU) 02:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:01 6.16 0.07 5.75 0.34 6.65 1331.11 182.76 03:10:01 1.17 0.01 1.16 0.00 0.05 14.38 0.12 03:20:05 14.08 0.00 1.27 12.81 0.16 15.34 107033.47 03:30:01 1.46 0.00 1.44 0.02 0.00 17.91 0.35 03:40:01 1.22 0.00 1.22 0.00 0.00 14.58 0.00 03:50:05 1.76 0.25 1.50 0.01 30.78 73.00 0.17 Average: 4.32 0.06 2.06 2.21 6.30 244.59 17969.58 02:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:01 5772724 7499984 290732 3.57 61612 1845820 534324 5.82 464216 1624092 124 03:10:01 5772724 7500472 290072 3.57 61784 1846148 534324 5.82 463932 1624584 184 03:20:05 5772548 7500808 289704 3.56 61924 1846520 534348 5.82 464084 1625068 228 03:30:01 5770672 7499448 291036 3.58 62092 1846848 534504 5.82 464212 1625572 124 03:40:01 5770672 7499896 290592 3.57 62216 1847176 534504 5.82 464152 1626024 240 03:50:05 5726740 7482564 307580 3.78 62500 1873232 728808 7.94 478756 1643468 244 Average: 5764347 7497195 293286 3.61 62021 1850957 566802 6.17 466559 1628135 191 02:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 6.04 3.25 63.29 0.60 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 2.11 0.04 0.25 0.01 0.00 0.00 0.00 0.00 03:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:05 ens3 0.38 0.04 0.05 0.01 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.61 0.08 11.17 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 0.69 0.05 0.84 0.03 0.00 0.00 0.00 0.00 03:50:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:05 ens3 0.44 0.22 3.10 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 1.71 0.61 13.11 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-10986) 05/05/26 _x86_64_ (2 CPU) 02:49:04 LINUX RESTART (2 CPU) 02:50:00 CPU %user %nice %system %iowait %steal %idle 03:00:01 all 1.52 0.00 0.43 0.08 0.04 97.93 03:00:01 0 0.66 0.00 0.36 0.09 0.03 98.86 03:00:01 1 2.39 0.00 0.49 0.08 0.04 97.00 03:10:01 all 0.24 0.00 0.07 0.01 0.03 99.66 03:10:01 0 0.41 0.00 0.05 0.01 0.02 99.52 03:10:01 1 0.06 0.00 0.10 0.00 0.03 99.80 03:20:05 all 0.23 0.00 0.07 0.03 0.03 99.64 03:20:05 0 0.32 0.00 0.06 0.01 0.02 99.59 03:20:05 1 0.14 0.00 0.08 0.04 0.03 99.70 03:30:01 all 0.28 0.00 0.15 0.01 0.03 99.54 03:30:01 0 0.29 0.00 0.15 0.01 0.02 99.52 03:30:01 1 0.27 0.00 0.15 0.01 0.03 99.55 03:40:01 all 0.23 0.00 0.06 0.00 0.03 99.67 03:40:01 0 0.04 0.00 0.08 0.00 0.04 99.84 03:40:01 1 0.42 0.00 0.05 0.01 0.02 99.50 03:50:05 all 0.31 0.00 0.09 0.01 0.02 99.56 03:50:05 0 0.20 0.00 0.11 0.01 0.03 99.65 03:50:05 1 0.42 0.00 0.07 0.02 0.02 99.46 Average: all 0.47 0.00 0.15 0.02 0.03 99.33 Average: 0 0.32 0.00 0.13 0.02 0.03 99.50 Average: 1 0.62 0.00 0.16 0.03 0.03 99.17