---> uname -a: Linux prd-queue-disttest-2c-1g-16609 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 700 5507 4 2018 7241 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:f4:66:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82550sec preferred_lft 82550sec inet6 fe80::f816:3eff:fef4:6689/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-16609) 05/19/26 _x86_64_ (2 CPU) 00:32:41 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 1.40 0.01 1.39 0.00 0.05 16.52 0.24 01:00:01 1.59 0.00 1.57 0.02 0.00 18.89 0.23 01:10:05 1.34 0.00 1.33 0.01 0.00 15.84 0.71 01:20:05 1.36 0.00 1.35 0.02 0.01 16.28 1.20 01:30:01 2.16 0.26 1.85 0.05 32.26 78.66 1.56 Average: 1.57 0.05 1.50 0.02 6.43 29.17 0.79 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 5785600 7509808 280552 3.45 61752 1842608 536768 5.85 472208 1621124 208 01:00:01 5778856 7503572 286720 3.53 61936 1842936 536836 5.85 472296 1621636 272 01:10:05 5783432 7508668 281624 3.46 62128 1843264 536892 5.85 472452 1622156 212 01:20:05 5782772 7508508 281780 3.46 62308 1843592 536924 5.85 472976 1622656 272 01:30:01 5733716 7486488 303444 3.73 62604 1870036 537076 5.85 481912 1640200 276 Average: 5772875 7503409 286824 3.53 62146 1848487 536899 5.85 474369 1625554 248 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 2.90 0.16 0.45 0.12 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.53 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.59 0.06 12.39 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.69 0.15 0.70 0.11 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.52 0.23 3.18 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 1.05 0.13 3.38 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-16609) 05/19/26 _x86_64_ (2 CPU) 00:32:41 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.26 0.00 0.08 0.01 0.03 99.63 00:50:05 0 0.37 0.00 0.06 0.01 0.02 99.55 00:50:05 1 0.14 0.00 0.11 0.01 0.04 99.71 01:00:01 all 0.26 0.00 0.15 0.01 0.03 99.55 01:00:01 0 0.25 0.00 0.17 0.01 0.03 99.55 01:00:01 1 0.27 0.00 0.14 0.01 0.03 99.56 01:10:05 all 0.25 0.00 0.06 0.01 0.03 99.65 01:10:05 0 0.45 0.00 0.04 0.00 0.02 99.48 01:10:05 1 0.05 0.00 0.09 0.01 0.04 99.82 01:20:05 all 0.25 0.00 0.07 0.01 0.03 99.65 01:20:05 0 0.37 0.00 0.04 0.01 0.02 99.56 01:20:05 1 0.13 0.00 0.09 0.01 0.04 99.73 01:30:01 all 0.40 0.00 0.19 0.02 0.03 99.37 01:30:01 0 0.44 0.00 0.20 0.01 0.03 99.32 01:30:01 1 0.35 0.00 0.18 0.03 0.03 99.42 Average: all 0.28 0.00 0.11 0.01 0.03 99.57 Average: 0 0.38 0.00 0.10 0.01 0.02 99.49 Average: 1 0.19 0.00 0.12 0.01 0.04 99.65