---> uname -a: Linux prd-queue-disttest-2c-1g-53623 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 703 5512 4 2009 7237 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:d1:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82438sec preferred_lft 82438sec inet6 fe80::f816:3eff:fe65:d11d/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-53623) 03/28/26 _x86_64_ (2 CPU) 00:34:00 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 1.16 0.01 1.15 0.00 0.05 14.40 0.24 01:00:02 1.29 0.00 1.28 0.02 0.00 16.96 0.25 01:10:00 14.22 0.00 1.27 12.94 0.15 15.45 108165.32 01:20:02 1.25 0.00 1.23 0.02 0.01 15.11 1.20 01:30:02 1.98 0.32 1.60 0.06 40.08 74.96 1.71 Average: 3.97 0.07 1.31 2.60 8.06 27.38 21565.96 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 5788012 7504544 286380 3.52 61672 1835516 535232 5.83 464604 1613716 324 01:00:02 5777956 7495000 295896 3.64 61836 1835840 535376 5.83 464784 1614208 228 01:10:00 5777732 7495312 295512 3.63 62008 1836184 535408 5.83 464880 1614720 144 01:20:02 5782312 7500392 290440 3.57 62192 1836492 535408 5.83 465040 1615220 124 01:30:02 5735852 7482968 307356 3.78 62520 1864852 535400 5.83 476528 1632404 124 Average: 5772373 7495643 295117 3.63 62046 1841777 535365 5.83 467167 1618054 189 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 3.06 0.20 0.50 0.15 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.56 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.46 0.06 6.47 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.56 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.66 0.22 3.07 0.05 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 1.26 0.13 2.05 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-53623) 03/28/26 _x86_64_ (2 CPU) 00:34:00 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.26 0.00 0.07 0.01 0.03 99.63 00:50:02 0 0.07 0.00 0.10 0.01 0.03 99.80 00:50:02 1 0.46 0.00 0.05 0.01 0.02 99.47 01:00:02 all 0.24 0.00 0.16 0.01 0.03 99.57 01:00:02 0 0.22 0.00 0.15 0.00 0.02 99.60 01:00:02 1 0.26 0.00 0.16 0.01 0.03 99.54 01:10:00 all 0.27 0.00 0.08 0.06 0.03 99.57 01:10:00 0 0.49 0.00 0.05 0.04 0.02 99.40 01:10:00 1 0.04 0.00 0.10 0.09 0.04 99.73 01:20:02 all 0.23 0.00 0.07 0.01 0.03 99.67 01:20:02 0 0.06 0.00 0.07 0.01 0.03 99.83 01:20:02 1 0.40 0.00 0.06 0.01 0.02 99.51 01:30:02 all 0.39 0.00 0.19 0.03 0.03 99.36 01:30:02 0 0.38 0.00 0.23 0.03 0.03 99.33 01:30:02 1 0.40 0.00 0.16 0.02 0.03 99.39 Average: all 0.28 0.00 0.11 0.02 0.03 99.56 Average: 0 0.24 0.00 0.12 0.02 0.03 99.59 Average: 1 0.31 0.00 0.10 0.03 0.03 99.53