---> uname -a: Linux prd-queue-disttest-2c-1g-1919 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 719 5438 4 2075 7222 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:05:33:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82271sec preferred_lft 82271sec inet6 fe80::f816:3eff:fe05:334f/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-1919) 04/11/26 _x86_64_ (2 CPU) 02:48:40 LINUX RESTART (2 CPU) 02:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:27 16.85 13.02 3.69 0.14 145.88 780.67 321.96 03:10:17 1.28 0.01 1.28 0.00 0.04 15.76 0.12 03:20:27 1.22 0.00 1.22 0.00 0.01 14.76 0.00 03:30:27 2.02 0.32 1.66 0.04 39.03 74.97 166.62 03:40:07 1.53 0.01 1.50 0.02 1.09 17.54 1.30 03:50:27 13.84 0.00 1.33 12.51 0.14 15.56 104256.36 Average: 6.27 2.30 1.79 2.17 31.82 157.50 17922.23 02:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:27 5724564 7498596 282948 3.48 65372 1880956 526816 5.74 467616 1662340 180 03:10:17 5731212 7505736 275640 3.39 65536 1881284 526816 5.74 467532 1662832 140 03:20:27 5729948 7504936 276408 3.40 65672 1881612 526952 5.74 467564 1663296 124 03:30:27 5668728 7472556 308104 3.79 66040 1909668 725548 7.90 484616 1680656 124 03:40:07 5668728 7473400 307400 3.78 66228 1910308 527128 5.74 479192 1681172 208 03:50:27 5668476 7473832 306884 3.77 66408 1910808 527160 5.74 479512 1681696 224 Average: 5698609 7488176 292897 3.60 65876 1895773 560070 6.10 474339 1671999 167 02:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:27 ens3 3.24 0.20 0.54 0.15 0.00 0.00 0.00 0.00 03:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:17 ens3 0.79 0.04 0.08 0.01 0.00 0.00 0.00 0.00 03:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:27 ens3 0.73 0.03 0.08 0.01 0.00 0.00 0.00 0.00 03:30:27 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:27 ens3 0.72 0.27 3.14 0.07 0.00 0.00 0.00 0.00 03:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:07 ens3 0.61 0.12 0.20 0.08 0.00 0.00 0.00 0.00 03:50:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:27 ens3 0.67 0.07 0.09 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 1.14 0.12 0.69 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1919) 04/11/26 _x86_64_ (2 CPU) 02:48:40 LINUX RESTART (2 CPU) 02:50:02 CPU %user %nice %system %iowait %steal %idle 03:00:27 all 0.32 0.17 0.26 0.14 0.03 99.07 03:00:27 0 0.52 0.03 0.19 0.03 0.03 99.20 03:00:27 1 0.11 0.31 0.34 0.26 0.04 98.95 03:10:17 all 0.25 0.00 0.09 0.03 0.03 99.60 03:10:17 0 0.43 0.00 0.07 0.03 0.02 99.45 03:10:17 1 0.06 0.00 0.12 0.04 0.03 99.75 03:20:27 all 0.24 0.00 0.08 0.01 0.03 99.65 03:20:27 0 0.35 0.00 0.04 0.01 0.02 99.57 03:20:27 1 0.12 0.00 0.11 0.00 0.04 99.74 03:30:27 all 0.38 0.00 0.20 0.03 0.03 99.36 03:30:27 0 0.49 0.00 0.19 0.04 0.02 99.26 03:30:27 1 0.27 0.00 0.22 0.01 0.03 99.47 03:40:07 all 0.23 0.00 0.08 0.01 0.03 99.66 03:40:07 0 0.42 0.00 0.06 0.01 0.02 99.49 03:40:07 1 0.04 0.00 0.10 0.01 0.04 99.82 03:50:27 all 0.24 0.00 0.07 0.03 0.03 99.63 03:50:27 0 0.29 0.00 0.05 0.00 0.02 99.64 03:50:27 1 0.20 0.00 0.09 0.05 0.04 99.61 Average: all 0.28 0.03 0.13 0.04 0.03 99.49 Average: 0 0.42 0.00 0.10 0.02 0.02 99.43 Average: 1 0.13 0.05 0.16 0.06 0.04 99.55