---> uname -a: Linux prd-queue-disttest-2c-1g-32715 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 697 5436 4 2095 7244 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:98:aa:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82528sec preferred_lft 82528sec inet6 fe80::f816:3eff:fe98:aa57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-32715) 07/04/26 _x86_64_ (2 CPU) 00:32:41 LINUX RESTART (2 CPU) 00:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:11 1.26 0.01 1.25 0.00 0.05 15.47 0.24 01:00:11 1.40 0.00 1.38 0.01 0.00 17.24 0.23 01:10:11 1.91 0.26 1.62 0.03 32.04 76.56 0.92 01:20:11 1.43 0.00 1.41 0.02 0.01 16.59 1.20 01:30:02 1.56 0.00 1.53 0.03 0.00 18.62 1.45 Average: 1.51 0.05 1.44 0.02 6.44 28.93 0.81 00:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:11 5696640 7506164 279984 3.44 63588 1922468 532828 5.80 462412 1703004 140 01:00:11 5685600 7495596 290500 3.57 63724 1922792 532892 5.80 462500 1703464 132 01:10:11 5646844 7484108 301728 3.71 64020 1949536 533052 5.81 471692 1721428 132 01:20:11 5663696 7501472 284324 3.50 64196 1949864 533148 5.81 472008 1721932 132 01:30:02 5652240 7490648 295108 3.63 64356 1950320 533148 5.81 471976 1722420 152 Average: 5669004 7495598 290329 3.57 63977 1938996 533014 5.81 468118 1714450 138 00:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 3.38 0.15 0.50 0.12 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.61 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.99 0.22 6.81 0.05 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.67 0.16 0.67 0.10 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.34 0.06 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 1.20 0.13 1.63 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-32715) 07/04/26 _x86_64_ (2 CPU) 00:32:41 LINUX RESTART (2 CPU) 00:40:11 CPU %user %nice %system %iowait %steal %idle 00:50:11 all 0.26 0.00 0.09 0.01 0.03 99.61 00:50:11 0 0.35 0.00 0.07 0.00 0.03 99.55 00:50:11 1 0.18 0.00 0.10 0.01 0.04 99.68 01:00:11 all 0.27 0.00 0.15 0.01 0.03 99.54 01:00:11 0 0.13 0.00 0.16 0.01 0.04 99.67 01:00:11 1 0.41 0.00 0.14 0.01 0.03 99.41 01:10:11 all 0.35 0.00 0.09 0.02 0.04 99.50 01:10:11 0 0.23 0.00 0.12 0.01 0.04 99.60 01:10:11 1 0.47 0.00 0.07 0.03 0.03 99.40 01:20:11 all 0.26 0.00 0.07 0.01 0.04 99.63 01:20:11 0 0.05 0.00 0.09 0.01 0.05 99.80 01:20:11 1 0.47 0.00 0.04 0.01 0.02 99.46 01:30:02 all 0.23 0.00 0.16 0.01 0.04 99.57 01:30:02 0 0.15 0.00 0.17 0.01 0.04 99.64 01:30:02 1 0.32 0.00 0.14 0.00 0.03 99.51 Average: all 0.28 0.00 0.11 0.01 0.03 99.57 Average: 0 0.18 0.00 0.12 0.01 0.04 99.65 Average: 1 0.37 0.00 0.10 0.01 0.03 99.49