---> uname -a: Linux prd-queue-disttest-2c-1g-29947 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 711 5370 4 2155 7230 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:50:96:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82480sec preferred_lft 82480sec inet6 fe80::f816:3eff:fe50:964a/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-29947) 06/24/26 _x86_64_ (2 CPU) 00:34:10 LINUX RESTART (2 CPU) 00:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:16 1.36 0.01 1.35 0.00 0.05 16.16 0.24 01:00:46 1.56 0.00 1.54 0.02 0.00 18.79 0.22 01:10:46 15.78 13.54 2.19 0.06 150.68 47.28 426.72 01:20:26 1.31 0.00 1.31 0.00 0.01 15.31 0.00 01:30:46 2.05 0.25 1.78 0.03 29.99 76.34 157.63 Average: 4.38 2.72 1.63 0.02 35.87 34.96 116.46 00:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:16 5702208 7509324 276792 3.40 63652 1919820 533628 5.81 464080 1700452 188 01:00:46 5691764 7499372 286720 3.53 63812 1920152 533780 5.81 464096 1700940 176 01:10:46 5624956 7489028 288256 3.54 67452 1964772 533724 5.81 464688 1748596 124 01:20:26 5632544 7497072 280212 3.45 67584 1965096 533960 5.82 464944 1749052 224 01:30:46 5589084 7480656 296056 3.64 67932 1991404 731792 7.97 479272 1766944 164 Average: 5648111 7495090 285607 3.51 66086 1952249 573377 6.25 467416 1733197 175 00:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 3.14 0.12 0.47 0.10 0.00 0.00 0.00 0.00 01:00:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:46 ens3 0.81 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:46 ens3 0.66 0.05 5.71 0.03 0.00 0.00 0.00 0.00 01:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:26 ens3 1.07 0.09 1.04 0.07 0.00 0.00 0.00 0.00 01:30:46 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:46 ens3 0.40 0.20 3.07 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 1.21 0.11 2.07 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-29947) 06/24/26 _x86_64_ (2 CPU) 00:34:10 LINUX RESTART (2 CPU) 00:40:06 CPU %user %nice %system %iowait %steal %idle 00:50:16 all 0.28 0.00 0.10 0.02 0.03 99.57 00:50:16 0 0.25 0.00 0.09 0.03 0.03 99.60 00:50:16 1 0.32 0.00 0.11 0.00 0.03 99.53 01:00:46 all 0.27 0.00 0.17 0.01 0.02 99.53 01:00:46 0 0.46 0.00 0.16 0.01 0.02 99.34 01:00:46 1 0.08 0.00 0.18 0.01 0.03 99.71 01:10:46 all 0.24 0.22 0.16 0.35 0.02 99.01 01:10:46 0 0.42 0.04 0.07 0.20 0.02 99.26 01:10:46 1 0.06 0.40 0.25 0.51 0.03 98.75 01:20:26 all 0.24 0.00 0.07 0.01 0.02 99.66 01:20:26 0 0.43 0.00 0.05 0.01 0.02 99.50 01:20:26 1 0.06 0.00 0.10 0.01 0.02 99.82 01:30:46 all 0.39 0.00 0.19 0.02 0.02 99.38 01:30:46 0 0.32 0.00 0.17 0.00 0.02 99.48 01:30:46 1 0.47 0.00 0.20 0.03 0.02 99.29 Average: all 0.29 0.04 0.14 0.08 0.02 99.43 Average: 0 0.38 0.01 0.11 0.05 0.02 99.43 Average: 1 0.20 0.08 0.17 0.11 0.03 99.42