---> uname -a: Linux prd-queue-disttest-2c-1g-31284 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 698 5439 4 2091 7243 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:fa:ce:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82576sec preferred_lft 82576sec inet6 fe80::f816:3eff:fefa:ce11/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-31284) 06/28/26 _x86_64_ (2 CPU) 01:38:42 LINUX RESTART (2 CPU) 01:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:27 1.70 0.02 1.67 0.00 1.24 386.42 0.25 02:00:18 1.93 0.26 1.64 0.03 31.53 78.58 0.56 02:10:27 1.24 0.00 1.23 0.01 1.04 14.90 0.17 02:20:27 1.24 0.00 1.23 0.01 0.01 14.87 1.08 02:30:18 1.43 0.00 1.40 0.03 0.00 17.89 1.45 02:40:27 1.23 0.00 1.21 0.02 0.00 14.89 1.18 Average: 1.46 0.05 1.39 0.02 5.56 87.75 0.78 01:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:27 5702472 7508072 278312 3.42 63448 1918500 526576 5.74 464380 1698956 180 02:00:18 5648956 7481492 304240 3.74 63772 1944848 726384 7.91 480216 1716872 132 02:10:27 5648956 7482272 303516 3.73 63912 1945480 526736 5.74 473772 1717332 132 02:20:27 5648956 7482764 303060 3.73 64068 1945808 526736 5.74 473784 1717816 132 02:30:18 5648976 7483332 302484 3.72 64272 1946144 526736 5.74 473808 1718356 132 02:40:27 5648752 7483772 302032 3.71 64476 1946600 526772 5.74 473968 1718884 188 Average: 5657845 7486951 298941 3.68 63991 1941230 559990 6.10 473321 1714703 149 01:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:27 ens3 3.52 0.26 0.64 0.22 0.00 0.00 0.00 0.00 02:00:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 1.17 0.49 3.30 0.06 0.00 0.00 0.00 0.00 02:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:27 ens3 0.39 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:27 ens3 0.29 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:27 ens3 0.31 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 0.98 0.15 0.68 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-31284) 06/28/26 _x86_64_ (2 CPU) 01:38:42 LINUX RESTART (2 CPU) 01:40:27 CPU %user %nice %system %iowait %steal %idle 01:50:27 all 0.23 0.00 0.09 0.02 0.04 99.63 01:50:27 0 0.31 0.00 0.08 0.02 0.03 99.57 01:50:27 1 0.14 0.00 0.10 0.02 0.04 99.69 02:00:18 all 0.36 0.00 0.17 0.02 0.04 99.41 02:00:18 0 0.57 0.00 0.19 0.02 0.02 99.20 02:00:18 1 0.15 0.00 0.16 0.01 0.05 99.63 02:10:27 all 0.22 0.00 0.07 0.01 0.04 99.67 02:10:27 0 0.29 0.00 0.05 0.01 0.03 99.62 02:10:27 1 0.14 0.00 0.09 0.00 0.05 99.71 02:20:27 all 0.23 0.00 0.06 0.12 0.03 99.55 02:20:27 0 0.04 0.00 0.07 0.11 0.04 99.75 02:20:27 1 0.43 0.00 0.05 0.14 0.03 99.35 02:30:18 all 0.22 0.00 0.14 0.02 0.03 99.59 02:30:18 0 0.06 0.00 0.15 0.01 0.04 99.74 02:30:18 1 0.39 0.00 0.13 0.03 0.03 99.43 02:40:27 all 0.23 0.00 0.06 0.01 0.03 99.67 02:40:27 0 0.04 0.00 0.08 0.00 0.04 99.84 02:40:27 1 0.43 0.00 0.04 0.02 0.03 99.49 Average: all 0.25 0.00 0.10 0.03 0.03 99.59 Average: 0 0.22 0.00 0.10 0.03 0.03 99.62 Average: 1 0.28 0.00 0.09 0.04 0.04 99.55