---> uname -a: Linux prd-queue-disttest-2c-1g-1595 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 701 5513 4 2010 7240 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:53:15:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82314sec preferred_lft 82314sec inet6 fe80::f816:3eff:fe53:1502/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1595) 04/10/26 _x86_64_ (2 CPU) 00:33:24 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.34 0.01 1.33 0.00 0.05 15.84 0.24 01:00:02 1.57 0.00 1.56 0.02 0.00 19.14 0.28 01:10:02 14.28 0.00 1.38 12.90 0.15 15.82 107872.39 01:20:01 1.92 0.32 1.59 0.01 39.07 73.05 0.20 01:30:02 1.69 0.00 1.67 0.02 1.05 20.31 0.39 01:40:02 1.37 0.00 1.37 0.01 0.00 15.97 0.48 Average: 3.70 0.06 1.48 2.16 6.72 26.68 17971.26 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5792956 7510572 280376 3.45 61744 1836228 528320 5.75 465780 1615128 180 01:00:02 5793792 7511928 278984 3.43 61916 1836560 528480 5.76 465820 1615624 212 01:10:02 5793540 7512192 278756 3.43 62064 1836932 528508 5.76 465896 1616124 140 01:20:01 5728348 7475580 314784 3.87 62332 1864944 726808 7.92 483108 1633340 320 01:30:02 5738820 7486996 303440 3.73 62496 1865724 528508 5.76 477516 1633832 252 01:40:02 5746408 7495100 295348 3.63 62680 1866040 528508 5.76 477572 1634344 236 Average: 5765644 7498728 291948 3.59 62205 1851071 561522 6.12 472615 1624732 223 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.08 0.19 0.47 0.13 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.50 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.41 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.66 0.27 3.14 0.07 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 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.42 0.11 0.12 0.06 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 0.89 0.13 0.66 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1595) 04/10/26 _x86_64_ (2 CPU) 00:33:24 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.25 0.00 0.09 0.01 0.02 99.64 00:50:01 0 0.09 0.00 0.12 0.01 0.02 99.76 00:50:01 1 0.40 0.00 0.06 0.01 0.02 99.51 01:00:02 all 0.29 0.00 0.17 0.01 0.02 99.52 01:00:02 0 0.28 0.00 0.20 0.01 0.02 99.49 01:00:02 1 0.29 0.00 0.14 0.01 0.02 99.54 01:10:02 all 0.25 0.00 0.08 0.03 0.02 99.63 01:10:02 0 0.14 0.00 0.08 0.00 0.02 99.76 01:10:02 1 0.36 0.00 0.08 0.05 0.02 99.49 01:20:01 all 0.35 0.00 0.11 0.02 0.02 99.50 01:20:01 0 0.15 0.00 0.13 0.03 0.03 99.67 01:20:01 1 0.55 0.00 0.09 0.01 0.02 99.34 01:30:02 all 0.26 0.00 0.17 0.01 0.02 99.54 01:30:02 0 0.45 0.00 0.15 0.01 0.01 99.38 01:30:02 1 0.07 0.00 0.19 0.01 0.03 99.71 01:40:02 all 0.24 0.00 0.07 0.01 0.02 99.66 01:40:02 0 0.20 0.00 0.06 0.01 0.03 99.71 01:40:02 1 0.27 0.00 0.07 0.01 0.02 99.62 Average: all 0.27 0.00 0.11 0.01 0.02 99.58 Average: 0 0.22 0.00 0.12 0.01 0.02 99.63 Average: 1 0.32 0.00 0.10 0.01 0.02 99.53