---> uname -a: Linux prd-queue-disttest-2c-1g-8375 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 723 5484 4 2018 7218 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:42:f8:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82343sec preferred_lft 82343sec inet6 fe80::f816:3eff:fe42:f8cc/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-8375) 04/27/26 _x86_64_ (2 CPU) 02:48:43 LINUX RESTART (2 CPU) 02:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:11 2.39 0.03 2.29 0.08 1.26 573.97 1.17 03:10:01 1.92 0.33 1.57 0.02 39.80 69.00 0.94 03:20:21 1.49 0.01 1.47 0.02 1.03 23.05 1.24 03:30:21 1.55 0.00 1.54 0.01 0.00 18.79 0.25 03:40:11 1.34 0.00 1.34 0.00 0.00 15.81 0.00 03:50:21 1.35 0.00 1.35 0.00 0.00 16.39 0.00 Average: 1.67 0.06 1.59 0.02 6.90 117.83 0.60 02:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:11 5763128 7486468 304708 3.75 61644 1841908 565748 6.16 478396 1620092 176 03:10:01 5722000 7474224 316320 3.89 61976 1870196 768192 8.37 496284 1637648 2084 03:20:21 5741076 7494172 296548 3.65 62196 1870840 565896 6.16 491384 1638200 132 03:30:21 5731340 7484912 305760 3.76 62332 1871164 565896 6.16 493108 1638660 176 03:40:11 5731100 7485132 305544 3.76 62456 1871492 565960 6.16 494528 1639112 168 03:50:21 5731100 7485744 304924 3.75 62608 1871948 566024 6.17 496120 1639592 132 Average: 5736624 7485109 305634 3.76 62202 1866258 599619 6.53 491637 1635551 478 02:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:11 ens3 2.69 0.21 0.49 0.15 0.00 0.00 0.00 0.00 03:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 1.31 0.22 3.22 0.03 0.00 0.00 0.00 0.00 03:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:21 ens3 0.48 0.04 0.06 0.01 0.00 0.00 0.00 0.00 03:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:21 ens3 0.43 0.08 0.11 0.05 0.00 0.00 0.00 0.00 03:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:11 ens3 0.33 0.07 0.09 0.04 0.00 0.00 0.00 0.00 03:50:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:21 ens3 0.71 0.05 0.10 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 0.98 0.11 0.67 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8375) 04/27/26 _x86_64_ (2 CPU) 02:48:43 LINUX RESTART (2 CPU) 02:50:21 CPU %user %nice %system %iowait %steal %idle 03:00:11 all 0.32 0.00 0.19 0.04 0.03 99.42 03:00:11 0 0.15 0.00 0.20 0.01 0.03 99.61 03:00:11 1 0.49 0.00 0.18 0.06 0.04 99.23 03:10:01 all 0.35 0.00 0.11 0.02 0.02 99.49 03:10:01 0 0.32 0.00 0.08 0.01 0.02 99.57 03:10:01 1 0.38 0.00 0.15 0.03 0.03 99.42 03:20:21 all 0.23 0.00 0.07 0.01 0.02 99.67 03:20:21 0 0.40 0.00 0.04 0.00 0.01 99.54 03:20:21 1 0.06 0.00 0.10 0.01 0.03 99.79 03:30:21 all 0.27 0.00 0.15 0.01 0.03 99.54 03:30:21 0 0.31 0.00 0.13 0.01 0.03 99.53 03:30:21 1 0.23 0.00 0.18 0.01 0.04 99.54 03:40:11 all 0.21 0.00 0.07 0.01 0.03 99.68 03:40:11 0 0.37 0.00 0.05 0.01 0.02 99.55 03:40:11 1 0.05 0.00 0.09 0.00 0.04 99.82 03:50:21 all 0.20 0.00 0.07 0.00 0.03 99.70 03:50:21 0 0.25 0.00 0.06 0.01 0.02 99.66 03:50:21 1 0.15 0.00 0.08 0.00 0.04 99.73 Average: all 0.26 0.00 0.11 0.01 0.03 99.58 Average: 0 0.30 0.00 0.09 0.01 0.02 99.58 Average: 1 0.23 0.00 0.13 0.02 0.04 99.59