---> uname -a: Linux prd-queue-disttest-2c-1g-1365 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 707 5452 4 2074 7234 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:21:d6:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82527sec preferred_lft 82527sec inet6 fe80::f816:3eff:fe21:d6d4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1365) 04/09/26 _x86_64_ (2 CPU) 01:38:42 LINUX RESTART (2 CPU) 01:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:06 17.41 14.12 3.16 0.14 195.26 658.66 7.70 02:00:01 1.46 0.01 1.43 0.02 0.04 18.02 0.35 02:10:16 1.36 0.00 1.35 0.01 0.00 17.11 0.08 02:20:16 1.22 0.00 1.21 0.00 0.01 15.03 0.12 02:30:01 1.36 0.00 1.34 0.02 0.00 16.76 0.23 02:40:16 1.20 0.00 1.20 0.00 0.00 14.91 0.00 Average: 3.96 2.31 1.61 0.03 32.01 121.63 1.39 01:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:06 5685136 7487152 294688 3.62 65444 1908304 528244 5.75 477012 1678976 232 02:00:01 5695976 7498508 283144 3.48 65608 1908632 528248 5.75 477064 1679468 240 02:10:16 5696180 7499216 282428 3.47 65776 1908960 528464 5.76 477192 1679964 124 02:20:16 5701340 7504864 276764 3.40 65924 1909292 528484 5.76 477208 1680444 124 02:30:01 5706420 7510444 271140 3.33 66084 1909624 528516 5.76 477232 1680936 284 02:40:16 5709756 7514376 267192 3.29 66224 1910072 528516 5.76 477392 1681396 128 Average: 5699135 7502427 279226 3.43 65843 1909147 528412 5.76 477183 1680197 189 01:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 3.25 0.35 3.54 0.11 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.75 0.06 0.10 0.03 0.00 0.00 0.00 0.00 02:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.35 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.86 0.03 5.68 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.26 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 0.27 0.04 0.07 0.03 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 0.95 0.09 1.57 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1365) 04/09/26 _x86_64_ (2 CPU) 01:38:42 LINUX RESTART (2 CPU) 01:40:16 CPU %user %nice %system %iowait %steal %idle 01:50:06 all 0.37 0.19 0.20 0.17 0.03 99.03 01:50:06 0 0.39 0.10 0.15 0.09 0.03 99.25 01:50:06 1 0.36 0.28 0.25 0.25 0.04 98.81 02:00:01 all 0.28 0.00 0.17 0.01 0.03 99.52 02:00:01 0 0.27 0.00 0.14 0.01 0.02 99.56 02:00:01 1 0.28 0.00 0.19 0.01 0.03 99.48 02:10:16 all 0.26 0.00 0.07 0.01 0.02 99.63 02:10:16 0 0.07 0.00 0.10 0.00 0.03 99.81 02:10:16 1 0.46 0.00 0.05 0.01 0.02 99.46 02:20:16 all 0.25 0.00 0.07 0.01 0.02 99.65 02:20:16 0 0.11 0.00 0.08 0.00 0.03 99.78 02:20:16 1 0.40 0.00 0.05 0.01 0.02 99.52 02:30:01 all 0.24 0.00 0.16 0.02 0.02 99.56 02:30:01 0 0.07 0.00 0.17 0.03 0.03 99.71 02:30:01 1 0.42 0.00 0.15 0.01 0.02 99.40 02:40:16 all 0.24 0.00 0.07 0.01 0.02 99.66 02:40:16 0 0.06 0.00 0.09 0.01 0.03 99.81 02:40:16 1 0.42 0.00 0.05 0.00 0.01 99.51 Average: all 0.27 0.03 0.12 0.04 0.02 99.51 Average: 0 0.16 0.02 0.12 0.02 0.03 99.66 Average: 1 0.39 0.05 0.12 0.05 0.02 99.37