---> uname -a: Linux prd-queue-disttest-2c-1g-15948 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 718 5485 4 2022 7223 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:22:5d:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81967sec preferred_lft 81967sec inet6 fe80::f816:3eff:fe22:5da1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-15948) 05/17/26 _x86_64_ (2 CPU) 01:28:42 LINUX RESTART (2 CPU) 01:30:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:40:27 1.52 0.03 1.49 0.00 1.24 258.03 0.19 01:50:01 1.76 0.28 1.46 0.02 33.55 76.30 0.32 02:00:27 1.36 0.00 1.34 0.02 0.00 16.65 0.33 02:10:27 14.21 0.00 1.29 12.92 0.15 15.71 107805.27 02:20:19 1.26 0.00 1.24 0.02 0.01 15.28 1.11 02:30:27 1.37 0.00 1.33 0.03 0.00 17.00 1.41 02:40:19 1.34 0.00 1.32 0.02 0.00 16.46 1.24 Average: 3.26 0.04 1.35 1.86 4.80 59.00 15429.34 01:30:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:40:27 5777596 7504928 285568 3.51 61676 1846008 534924 5.83 464324 1624432 132 01:50:01 5741616 7495832 294108 3.62 61988 1872308 535136 5.83 473568 1641968 304 02:00:27 5751484 7506228 283740 3.49 62164 1872636 535192 5.83 473708 1642472 132 02:10:27 5754432 7509728 280192 3.45 62340 1873008 535192 5.83 473768 1642992 132 02:20:19 5752948 7508720 281192 3.46 62480 1873336 535192 5.83 473772 1643460 184 02:30:27 5751484 7507908 281976 3.47 62648 1873792 535192 5.83 473944 1643956 136 02:40:19 5746948 7503880 285844 3.51 62828 1874120 590268 6.43 479184 1644460 136 Average: 5753787 7505318 284660 3.50 62303 1869315 543014 5.91 473181 1640534 165 01:30:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:27 ens3 3.37 0.24 0.58 0.17 0.00 0.00 0.00 0.00 01:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 1.35 0.24 3.33 0.03 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 0.51 0.05 0.08 0.03 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 1.07 0.04 3.48 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.65 0.04 0.90 0.01 0.00 0.00 0.00 0.00 02:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:27 ens3 0.26 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.43 0.06 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 1.08 0.10 1.20 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-15948) 05/17/26 _x86_64_ (2 CPU) 01:28:42 LINUX RESTART (2 CPU) 01:30:29 CPU %user %nice %system %iowait %steal %idle 01:40:27 all 0.27 0.00 0.08 0.01 0.02 99.62 01:40:27 0 0.27 0.00 0.07 0.01 0.02 99.64 01:40:27 1 0.28 0.00 0.08 0.02 0.03 99.59 01:50:01 all 0.36 0.00 0.11 0.21 0.02 99.31 01:50:01 0 0.24 0.00 0.14 0.02 0.03 99.58 01:50:01 1 0.48 0.00 0.07 0.40 0.01 99.04 02:00:27 all 0.27 0.00 0.15 0.03 0.02 99.53 02:00:27 0 0.15 0.00 0.17 0.03 0.02 99.64 02:00:27 1 0.40 0.00 0.13 0.02 0.01 99.43 02:10:27 all 0.26 0.00 0.08 0.06 0.02 99.59 02:10:27 0 0.47 0.00 0.04 0.01 0.01 99.47 02:10:27 1 0.05 0.00 0.11 0.11 0.02 99.71 02:20:19 all 0.26 0.00 0.07 0.02 0.04 99.62 02:20:19 0 0.45 0.00 0.04 0.02 0.01 99.47 02:20:19 1 0.06 0.00 0.10 0.02 0.06 99.76 02:30:27 all 0.26 0.00 0.15 0.01 0.02 99.56 02:30:27 0 0.26 0.00 0.15 0.01 0.01 99.57 02:30:27 1 0.27 0.00 0.15 0.01 0.02 99.55 02:40:19 all 0.27 0.00 0.08 0.01 0.09 99.55 02:40:19 0 0.32 0.00 0.09 0.01 0.09 99.49 02:40:19 1 0.22 0.00 0.08 0.00 0.09 99.62 Average: all 0.28 0.00 0.10 0.05 0.03 99.54 Average: 0 0.31 0.00 0.10 0.01 0.03 99.55 Average: 1 0.25 0.00 0.10 0.08 0.03 99.53