---> uname -a: Linux prd-queue-disttest-2c-1g-57814 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: 5600.02 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 709 5407 4 2113 7232 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:20:1f:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80889sec preferred_lft 80889sec inet6 fe80::f816:3eff:fe20:1f95/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-57814) 09/24/26 _x86_64_ (2 CPU) 00:33:45 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:15 1.17 0.01 1.17 0.00 0.05 14.61 0.00 01:00:25 2.55 0.00 2.31 0.24 0.00 141.88 617.15 01:10:01 23.08 0.80 6.79 15.49 83.49 560.27 116918.29 01:20:25 1.33 0.00 1.33 0.00 0.01 15.55 0.00 01:30:25 1.39 0.00 1.38 0.01 0.00 17.20 631.03 01:40:25 1.35 0.00 1.35 0.00 0.00 15.88 0.28 01:50:05 1.32 0.00 1.32 0.00 0.00 15.60 0.00 02:00:25 1.56 0.00 1.55 0.01 0.00 18.79 407.16 Average: 4.10 0.10 2.12 1.89 9.99 97.21 14190.70 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:15 5681720 7493348 292428 3.60 63128 1925692 535524 5.83 465232 1705640 192 01:00:25 5676692 7498112 287420 3.53 65076 1933324 536988 5.85 466548 1715216 172 01:10:01 5625072 7487588 294560 3.62 72848 1963916 739944 8.06 492548 1736888 176 01:20:25 5625400 7488496 293616 3.61 72980 1964372 740076 8.06 492888 1737344 132 01:30:25 5618896 7482516 299576 3.68 73156 1964704 740076 8.06 492736 1737852 304 01:40:25 5625732 7489824 292248 3.59 73300 1965032 740140 8.06 492920 1738316 208 01:50:05 5633040 7497592 284488 3.50 73432 1965348 740140 8.06 492896 1738772 256 02:00:25 5624772 7489804 292256 3.59 73560 1965684 740140 8.06 493000 1739236 132 Average: 5638916 7490910 292074 3.59 70935 1956009 689128 7.51 486096 1731158 196 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 2.90 0.13 0.45 0.12 0.00 0.00 0.00 0.00 01:00:25 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:25 ens3 2.34 0.60 0.78 0.36 0.00 0.00 0.00 0.00 01:10:01 lo 1.22 1.22 0.07 0.07 0.00 0.00 0.00 0.00 01:10:01 ens3 11.92 8.05 34.86 2.29 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.72 0.05 0.09 0.04 0.00 0.00 0.00 0.00 01:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 0.53 0.10 0.13 0.07 0.00 0.00 0.00 0.00 01:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:25 ens3 0.56 0.07 0.11 0.06 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 0.21 0.02 0.03 0.01 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.37 1.09 4.37 0.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-57814) 09/24/26 _x86_64_ (2 CPU) 00:33:45 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:15 all 0.26 0.00 0.10 0.01 0.00 99.63 00:50:15 0 0.08 0.00 0.13 0.01 0.00 99.78 00:50:15 1 0.44 0.00 0.07 0.00 0.00 99.48 01:00:25 all 1.09 0.00 0.29 0.04 0.00 98.58 01:00:25 0 0.26 0.00 0.28 0.04 0.00 99.42 01:00:25 1 1.91 0.00 0.31 0.04 0.00 97.74 01:10:01 all 4.97 0.00 0.75 0.23 0.01 94.04 01:10:01 0 4.04 0.00 0.73 0.18 0.01 95.04 01:10:01 1 5.89 0.00 0.77 0.28 0.01 93.04 01:20:25 all 0.25 0.00 0.08 0.01 0.00 99.67 01:20:25 0 0.06 0.00 0.10 0.01 0.00 99.83 01:20:25 1 0.44 0.00 0.05 0.00 0.00 99.50 01:30:25 all 0.27 0.00 0.17 0.01 0.00 99.55 01:30:25 0 0.08 0.00 0.17 0.02 0.00 99.73 01:30:25 1 0.46 0.00 0.17 0.00 0.00 99.37 01:40:25 all 0.25 0.00 0.08 0.01 0.00 99.65 01:40:25 0 0.39 0.00 0.07 0.01 0.00 99.53 01:40:25 1 0.12 0.00 0.10 0.00 0.00 99.78 01:50:05 all 0.26 0.00 0.08 0.01 0.00 99.65 01:50:05 0 0.46 0.00 0.05 0.01 0.00 99.48 01:50:05 1 0.05 0.00 0.12 0.01 0.00 99.81 02:00:25 all 0.24 0.00 0.16 0.01 0.00 99.59 02:00:25 0 0.31 0.00 0.14 0.01 0.00 99.54 02:00:25 1 0.17 0.00 0.18 0.00 0.00 99.64 Average: all 0.92 0.00 0.21 0.04 0.00 98.82 Average: 0 0.69 0.00 0.21 0.04 0.00 99.07 Average: 1 1.16 0.00 0.22 0.04 0.00 98.58