---> uname -a: Linux prd-queue-disttest-2c-1g-25257 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: 5600.00 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 699 5431 4 2098 7242 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:90:9e:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82566sec preferred_lft 82566sec inet6 fe80::f816:3eff:fe90:9eee/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-25257) 06/06/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:16 3.87 0.28 3.49 0.10 31.76 963.33 1.40 02:10:16 1.49 0.01 1.47 0.01 1.11 17.01 0.20 02:20:16 1.33 0.00 1.33 0.00 0.01 15.04 0.00 02:30:16 1.58 0.00 1.57 0.02 0.00 18.39 0.40 02:40:16 14.49 0.00 1.55 12.94 0.15 18.69 107496.09 02:50:16 1.31 0.00 1.31 0.00 0.00 15.47 0.01 Average: 4.01 0.05 1.79 2.17 5.59 177.24 17857.67 01:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:16 5637020 7472872 313028 3.85 63632 1948624 727272 7.92 474508 1720112 216 02:10:16 5660976 7497668 288052 3.54 63816 1949268 532012 5.79 469304 1720628 124 02:20:16 5662128 7499304 286396 3.52 63968 1949592 532148 5.80 469328 1721104 124 02:30:16 5649600 7487276 298352 3.67 64120 1949920 532148 5.80 469464 1721584 124 02:40:16 5666296 7504660 280768 3.45 64292 1950424 532268 5.80 469640 1722104 192 02:50:16 5666296 7505144 280280 3.45 64448 1950756 532268 5.80 469828 1722584 176 Average: 5657053 7494487 291146 3.58 64046 1949764 564686 6.15 470345 1721353 159 01:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 2.85 0.43 3.51 0.18 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 1.56 0.03 0.14 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 0.41 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 0.75 0.06 4.38 0.03 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 0.40 0.07 0.10 0.06 0.00 0.00 0.00 0.00 02:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:16 ens3 0.41 0.10 0.13 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 1.07 0.12 1.39 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-25257) 06/06/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:05 CPU %user %nice %system %iowait %steal %idle 02:00:16 all 0.43 0.00 0.25 0.07 0.02 99.23 02:00:16 0 0.29 0.00 0.27 0.09 0.02 99.33 02:00:16 1 0.58 0.00 0.23 0.05 0.02 99.12 02:10:16 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:16 0 0.44 0.00 0.06 0.01 0.02 99.48 02:10:16 1 0.07 0.00 0.09 0.01 0.03 99.81 02:20:16 all 0.26 0.00 0.07 0.03 0.02 99.62 02:20:16 0 0.48 0.00 0.05 0.05 0.01 99.42 02:20:16 1 0.05 0.00 0.09 0.01 0.02 99.83 02:30:16 all 0.26 0.00 0.16 0.03 0.02 99.53 02:30:16 0 0.44 0.00 0.13 0.01 0.01 99.41 02:30:16 1 0.08 0.00 0.19 0.05 0.02 99.65 02:40:16 all 0.27 0.00 0.08 0.05 0.02 99.58 02:40:16 0 0.48 0.00 0.05 0.03 0.01 99.43 02:40:16 1 0.07 0.00 0.12 0.07 0.02 99.72 02:50:16 all 0.25 0.00 0.07 0.01 0.02 99.66 02:50:16 0 0.44 0.00 0.05 0.00 0.01 99.50 02:50:16 1 0.06 0.00 0.09 0.01 0.02 99.82 Average: all 0.29 0.00 0.12 0.03 0.02 99.54 Average: 0 0.43 0.00 0.10 0.03 0.02 99.43 Average: 1 0.15 0.00 0.14 0.03 0.02 99.66