---> uname -a: Linux prd-queue-disttest-2c-1g-12650 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: 5599.86 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 706 5442 4 2085 7235 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:65:fb:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82227sec preferred_lft 82227sec inet6 fe80::f816:3eff:fe65:fb45/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-12650) 05/11/26 _x86_64_ (2 CPU) 02:59:13 LINUX RESTART (2 CPU) 03:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 6.65 0.08 6.10 0.47 6.85 1394.35 544.61 03:20:01 1.39 0.01 1.37 0.01 0.07 16.30 0.72 03:30:01 1.56 0.00 1.53 0.03 0.00 18.62 1.45 03:40:01 1.39 0.00 1.38 0.02 0.00 16.21 1.20 03:50:01 1.96 0.26 1.67 0.03 32.07 75.48 1.45 04:00:01 15.75 13.52 2.14 0.09 150.50 46.45 530.05 Average: 4.79 2.31 2.37 0.11 31.60 261.26 180.01 03:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5772812 7499792 290456 3.57 61640 1845664 535524 5.83 464828 1623920 124 03:20:01 5772560 7500056 290000 3.57 61816 1846004 535612 5.83 464952 1624436 124 03:30:01 5765524 7493548 296536 3.65 62016 1846336 535644 5.83 465004 1624964 144 03:40:01 5765284 7493832 296252 3.64 62216 1846660 535732 5.84 465088 1625488 248 03:50:01 5722480 7477888 311872 3.83 62544 1872916 535732 5.84 474212 1643000 124 04:00:01 5678212 7490548 290120 3.57 66384 1917664 535732 5.84 475136 1690852 236 Average: 5746145 7492611 295873 3.64 62769 1862541 535663 5.83 468203 1638777 167 03:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 7.01 3.17 63.19 0.55 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 1.32 0.03 0.14 0.01 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.68 0.08 0.13 0.05 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.65 0.04 0.10 0.03 0.00 0.00 0.00 0.00 03:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 0.53 0.23 3.12 0.03 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 0.86 0.07 0.11 0.03 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.84 0.60 11.13 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-12650) 05/11/26 _x86_64_ (2 CPU) 02:59:13 LINUX RESTART (2 CPU) 03:00:00 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 1.88 0.00 0.41 0.09 0.02 97.59 03:10:01 0 1.55 0.00 0.39 0.04 0.02 98.00 03:10:01 1 2.22 0.00 0.44 0.14 0.02 97.18 03:20:01 all 0.28 0.00 0.07 0.01 0.03 99.61 03:20:01 0 0.49 0.00 0.06 0.01 0.02 99.43 03:20:01 1 0.08 0.00 0.09 0.00 0.04 99.78 03:30:01 all 0.28 0.00 0.15 0.01 0.03 99.53 03:30:01 0 0.43 0.00 0.15 0.01 0.02 99.40 03:30:01 1 0.13 0.00 0.16 0.01 0.04 99.66 03:40:01 all 0.25 0.00 0.06 0.01 0.03 99.66 03:40:01 0 0.28 0.00 0.05 0.00 0.02 99.64 03:40:01 1 0.21 0.00 0.07 0.01 0.04 99.68 03:50:01 all 0.36 0.00 0.09 0.01 0.02 99.51 03:50:01 0 0.39 0.00 0.08 0.01 0.02 99.51 03:50:01 1 0.33 0.00 0.10 0.02 0.03 99.52 04:00:01 all 0.24 0.17 0.22 0.12 0.02 99.24 04:00:01 0 0.30 0.16 0.23 0.14 0.02 99.16 04:00:01 1 0.17 0.18 0.21 0.10 0.03 99.31 Average: all 0.55 0.03 0.17 0.04 0.03 99.19 Average: 0 0.57 0.03 0.16 0.03 0.02 99.19 Average: 1 0.52 0.03 0.18 0.05 0.03 99.19