---> uname -a: Linux prd-queue-disttest-2c-1g-6467 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 7.9G 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 743 5385 4 2102 7198 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:bf:17:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79480sec preferred_lft 79480sec inet6 fe80::f816:3eff:febf:1768/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-6467) 09/10/26 _x86_64_ (2 CPU) 00:32:58 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.39 0.02 1.36 0.00 0.65 16.80 0.87 01:00:01 16.27 0.00 2.36 13.90 0.15 144.41 107496.04 01:10:20 7.27 0.38 5.59 1.29 32.51 416.97 5239.88 01:20:00 1.21 0.00 1.19 0.02 0.01 14.72 3.86 01:30:01 1.41 0.00 1.37 0.03 0.00 17.07 4.35 01:40:20 1.20 0.00 1.19 0.02 0.00 14.64 4.41 01:50:00 1.13 0.00 1.11 0.02 0.00 13.57 3.85 02:00:01 1.43 0.00 1.40 0.03 0.00 17.33 4.35 02:10:00 1.20 0.00 1.19 0.02 0.00 14.60 4.14 02:20:00 1.26 0.00 1.24 0.02 0.00 15.03 4.13 Average: 3.40 0.04 1.82 1.54 3.43 69.79 11317.89 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5608076 7453552 331272 4.07 63504 1958916 767772 8.36 496024 1728388 140 01:00:01 5616456 7471836 312436 3.84 65384 1966552 769016 8.38 505684 1737884 276 01:10:20 5597204 7455340 326112 4.01 75900 1956476 770576 8.39 514492 1732664 180 01:20:00 5604300 7463048 318404 3.92 76076 1956896 770576 8.39 514684 1733144 184 01:30:01 5587608 7446892 334552 4.11 76236 1957260 770640 8.39 514788 1733664 352 01:40:20 5587608 7447376 334144 4.11 76388 1957588 770640 8.39 514852 1734148 184 01:50:00 5592800 7452992 328540 4.04 76532 1957880 770640 8.39 514944 1734584 184 02:00:01 5602940 7463632 317816 3.91 76664 1958240 770640 8.39 514832 1735076 276 02:10:00 5602940 7464084 317404 3.90 76824 1958532 770704 8.39 515008 1735528 124 02:20:00 5606116 7467896 313580 3.86 77000 1958992 770704 8.39 515148 1736036 124 Average: 5600605 7458665 323426 3.98 74051 1958733 770191 8.39 512046 1734112 202 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.73 0.24 0.50 0.17 0.00 0.00 0.00 0.00 01:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 2.11 0.68 0.80 0.38 0.00 0.00 0.00 0.00 01:10:20 lo 1.14 1.14 0.07 0.07 0.00 0.00 0.00 0.00 01:10:20 ens3 10.54 7.00 26.83 1.91 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 1.00 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.53 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 0.52 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.33 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.27 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.22 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.23 0.04 0.03 0.01 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.88 0.85 2.95 0.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-6467) 09/10/26 _x86_64_ (2 CPU) 00:32:58 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.29 0.00 0.10 0.01 0.00 99.60 00:50:00 0 0.48 0.00 0.08 0.01 0.00 99.43 00:50:00 1 0.10 0.00 0.12 0.01 0.01 99.77 01:00:01 all 1.18 0.00 0.25 0.07 0.00 98.49 01:00:01 0 0.50 0.00 0.21 0.06 0.00 99.23 01:00:01 1 1.86 0.00 0.30 0.08 0.01 97.75 01:10:20 all 4.54 0.00 0.64 0.16 0.01 94.65 01:10:20 0 4.87 0.00 0.62 0.27 0.01 94.24 01:10:20 1 4.22 0.00 0.66 0.05 0.00 95.06 01:20:00 all 0.25 0.00 0.09 0.01 0.01 99.65 01:20:00 0 0.45 0.00 0.06 0.01 0.00 99.49 01:20:00 1 0.06 0.00 0.12 0.01 0.01 99.80 01:30:01 all 0.28 0.00 0.18 0.01 0.00 99.53 01:30:01 0 0.29 0.00 0.17 0.01 0.00 99.52 01:30:01 1 0.27 0.00 0.19 0.01 0.01 99.53 01:40:20 all 0.24 0.00 0.08 0.01 0.00 99.68 01:40:20 0 0.05 0.00 0.09 0.01 0.00 99.84 01:40:20 1 0.43 0.00 0.06 0.00 0.00 99.51 01:50:00 all 0.26 0.00 0.09 0.01 0.00 99.64 01:50:00 0 0.06 0.00 0.10 0.01 0.01 99.82 01:50:00 1 0.47 0.00 0.07 0.00 0.00 99.46 02:00:01 all 0.29 0.00 0.15 0.01 0.00 99.55 02:00:01 0 0.08 0.00 0.17 0.02 0.01 99.74 02:00:01 1 0.50 0.00 0.14 0.00 0.00 99.36 02:10:00 all 0.25 0.00 0.09 0.01 0.00 99.65 02:10:00 0 0.26 0.00 0.08 0.01 0.00 99.65 02:10:00 1 0.25 0.00 0.09 0.00 0.00 99.66 02:20:00 all 0.26 0.00 0.10 0.03 0.01 99.60 02:20:00 0 0.05 0.00 0.12 0.06 0.01 99.77 02:20:00 1 0.47 0.00 0.09 0.00 0.01 99.43 Average: all 0.80 0.00 0.18 0.03 0.00 98.99 Average: 0 0.72 0.00 0.17 0.05 0.00 99.06 Average: 1 0.87 0.00 0.19 0.02 0.00 98.92