---> uname -a: Linux prd-queue-disttest-2c-1g-1688 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 722 5488 4 2014 7219 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:23:d6:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82335sec preferred_lft 82335sec inet6 fe80::f816:3eff:fe23:d648/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1688) 04/10/26 _x86_64_ (2 CPU) 02:59:03 LINUX RESTART (2 CPU) 03:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:00 3.63 0.03 3.54 0.06 1.43 1104.57 0.93 03:20:00 1.26 0.01 1.25 0.00 0.07 15.28 0.12 03:30:10 2.08 0.31 1.74 0.03 38.39 75.25 0.42 03:40:00 1.28 0.00 1.28 0.00 0.00 14.94 0.12 03:50:00 1.31 0.00 1.31 0.00 0.00 15.68 0.00 04:00:10 1.65 0.00 1.63 0.02 0.00 20.08 0.22 Average: 1.86 0.06 1.79 0.02 6.76 203.76 0.30 03:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:00 5778916 7500348 290456 3.57 61640 1840284 535452 5.83 469064 1618804 124 03:20:00 5778160 7500092 290564 3.57 61808 1840616 535384 5.83 468944 1619304 124 03:30:10 5727056 7477672 312408 3.84 62128 1868664 733884 7.99 486048 1636608 176 03:40:00 5727068 7478108 311972 3.84 62256 1868956 733884 7.99 486052 1637028 124 03:50:00 5727628 7479148 310928 3.82 62400 1869288 733884 7.99 486052 1637504 144 04:00:10 5728752 7480972 309060 3.80 62592 1869768 733884 7.99 486212 1638048 124 Average: 5744597 7486057 304231 3.74 62137 1859596 667729 7.27 480395 1631216 136 03:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 2.34 0.35 0.54 0.23 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 1.82 0.04 0.20 0.01 0.00 0.00 0.00 0.00 03:30:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:10 ens3 1.06 0.27 3.10 0.07 0.00 0.00 0.00 0.00 03:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:00 ens3 1.03 0.05 5.04 0.03 0.00 0.00 0.00 0.00 03:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:00 ens3 0.92 0.04 1.01 0.02 0.00 0.00 0.00 0.00 04:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:10 ens3 0.68 0.04 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 1.30 0.13 1.66 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1688) 04/10/26 _x86_64_ (2 CPU) 02:59:03 LINUX RESTART (2 CPU) 03:00:14 CPU %user %nice %system %iowait %steal %idle 03:10:00 all 0.33 0.00 0.16 0.03 0.02 99.46 03:10:00 0 0.14 0.00 0.16 0.03 0.02 99.65 03:10:00 1 0.52 0.00 0.15 0.03 0.02 99.27 03:20:00 all 0.21 0.00 0.08 0.01 0.03 99.68 03:20:00 0 0.23 0.00 0.08 0.00 0.02 99.67 03:20:00 1 0.20 0.00 0.09 0.01 0.03 99.68 03:30:10 all 0.38 0.00 0.21 0.02 0.02 99.37 03:30:10 0 0.47 0.00 0.21 0.02 0.02 99.28 03:30:10 1 0.29 0.00 0.21 0.02 0.02 99.46 03:40:00 all 0.22 0.00 0.07 0.01 0.02 99.69 03:40:00 0 0.26 0.00 0.05 0.01 0.02 99.66 03:40:00 1 0.17 0.00 0.08 0.00 0.03 99.72 03:50:00 all 0.22 0.00 0.07 0.00 0.02 99.69 03:50:00 0 0.19 0.00 0.06 0.00 0.02 99.72 03:50:00 1 0.25 0.00 0.08 0.01 0.02 99.65 04:00:10 all 0.26 0.00 0.17 0.01 0.02 99.54 04:00:10 0 0.15 0.00 0.18 0.01 0.02 99.64 04:00:10 1 0.37 0.00 0.17 0.01 0.03 99.44 Average: all 0.27 0.00 0.13 0.01 0.02 99.57 Average: 0 0.24 0.00 0.12 0.01 0.02 99.60 Average: 1 0.30 0.00 0.13 0.01 0.02 99.54