---> uname -a: Linux prd-queue-disttest-2c-1g-10733 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: 5599.94 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 687 5521 4 2017 7254 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:0f:63:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82453sec preferred_lft 82453sec inet6 fe80::f816:3eff:fe0f:636d/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-10733) 05/04/26 _x86_64_ (2 CPU) 03:18:41 LINUX RESTART (2 CPU) 03:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:08 2.52 0.02 2.42 0.08 1.24 671.91 3.45 03:40:01 1.23 0.01 1.22 0.01 0.05 14.75 0.73 03:50:08 1.20 0.00 1.18 0.02 0.00 14.32 1.19 04:00:08 14.88 0.26 1.69 12.93 31.13 77.05 107813.97 04:10:08 1.32 0.00 1.31 0.01 1.05 15.89 0.08 04:20:08 1.41 0.00 1.40 0.01 0.01 17.20 0.11 Average: 3.76 0.05 1.53 2.18 5.58 135.19 17969.92 03:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:08 5785624 7508480 282552 3.47 61608 1841480 524160 5.71 462856 1619908 204 03:40:01 5784868 7508232 282668 3.48 61788 1841804 524252 5.71 463056 1620416 124 03:50:08 5784112 7507996 282900 3.48 61996 1842128 524392 5.71 463072 1620940 256 04:00:08 5746016 7496476 293868 3.61 62296 1868104 727056 7.92 477500 1638424 240 04:10:08 5758928 7510196 280316 3.45 62444 1868756 524388 5.71 472296 1638916 188 04:20:08 5757672 7509564 280880 3.45 62612 1869200 524388 5.71 472472 1639400 212 Average: 5769537 7506824 283864 3.49 62124 1855245 558106 6.08 468542 1629667 204 03:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 3.07 0.22 0.55 0.15 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.84 0.07 0.11 0.03 0.00 0.00 0.00 0.00 03:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:08 ens3 0.46 0.03 0.06 0.01 0.00 0.00 0.00 0.00 04:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 04:00:08 ens3 0.56 0.25 3.30 0.05 0.00 0.00 0.00 0.00 04:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:08 ens3 0.24 0.04 0.05 0.02 0.00 0.00 0.00 0.00 04:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:08 ens3 0.19 0.03 0.04 0.01 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 0.89 0.10 0.69 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-10733) 05/04/26 _x86_64_ (2 CPU) 03:18:41 LINUX RESTART (2 CPU) 03:20:08 CPU %user %nice %system %iowait %steal %idle 03:30:08 all 0.29 0.00 0.21 0.03 0.03 99.44 03:30:08 0 0.21 0.00 0.21 0.05 0.03 99.50 03:30:08 1 0.37 0.00 0.22 0.01 0.03 99.38 03:40:01 all 0.23 0.00 0.08 0.01 0.03 99.66 03:40:01 0 0.06 0.00 0.08 0.00 0.03 99.82 03:40:01 1 0.40 0.00 0.08 0.01 0.02 99.50 03:50:08 all 0.24 0.00 0.07 0.01 0.03 99.66 03:50:08 0 0.04 0.00 0.08 0.00 0.03 99.83 03:50:08 1 0.43 0.00 0.05 0.01 0.02 99.49 04:00:08 all 0.38 0.00 0.18 0.04 0.03 99.38 04:00:08 0 0.35 0.00 0.23 0.05 0.03 99.35 04:00:08 1 0.41 0.00 0.14 0.03 0.02 99.40 04:10:08 all 0.24 0.00 0.07 0.05 0.02 99.62 04:10:08 0 0.35 0.00 0.05 0.02 0.01 99.57 04:10:08 1 0.13 0.00 0.10 0.09 0.02 99.67 04:20:08 all 0.25 0.00 0.09 0.02 0.02 99.63 04:20:08 0 0.29 0.00 0.08 0.01 0.02 99.61 04:20:08 1 0.22 0.00 0.10 0.02 0.02 99.64 Average: all 0.27 0.00 0.12 0.02 0.02 99.56 Average: 0 0.22 0.00 0.12 0.02 0.02 99.61 Average: 1 0.33 0.00 0.11 0.03 0.02 99.51