---> uname -a: Linux prd-queue-disttest-2c-1g-7779 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 709 5420 4 2100 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:67:85:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79607sec preferred_lft 79607sec inet6 fe80::f816:3eff:fe67:85b5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-7779) 09/13/26 _x86_64_ (2 CPU) 00:33:00 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 1.18 0.01 1.17 0.00 0.05 14.69 0.21 01:00:05 3.23 0.33 2.66 0.25 43.09 233.26 408.38 01:10:05 21.44 0.40 6.09 14.95 33.67 437.99 112237.31 01:20:05 1.37 0.00 1.35 0.02 0.01 16.45 1.05 01:30:05 1.53 0.00 1.49 0.04 0.00 18.79 1.19 01:40:05 1.29 0.00 1.28 0.02 0.00 15.53 0.97 01:50:05 1.41 0.00 1.39 0.02 0.00 16.72 1.05 02:00:05 1.58 0.00 1.54 0.03 0.00 19.08 1.20 02:10:05 4.98 0.01 4.06 0.92 0.12 191.19 1406.71 02:20:05 1.17 0.00 1.16 0.02 0.00 14.28 0.96 Average: 3.92 0.07 2.22 1.63 7.69 97.80 11405.90 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 5707028 7508900 277012 3.41 63024 1916060 535620 5.83 464912 1695308 220 01:00:05 5623504 7474348 310240 3.81 65216 1962132 728544 7.94 482912 1733480 216 01:10:05 5618760 7472400 309524 3.81 75656 1952076 729968 7.95 490148 1728220 180 01:20:05 5618508 7472784 309140 3.80 75860 1952524 729968 7.95 490492 1728732 236 01:30:05 5619028 7473816 308100 3.79 76028 1952860 729968 7.95 490348 1729240 236 01:40:05 5618788 7474044 307880 3.79 76164 1953184 730052 7.95 490524 1729708 232 01:50:05 5618788 7474488 307412 3.78 76292 1953512 730052 7.95 490440 1730156 236 02:00:05 5617552 7473780 308056 3.79 76472 1953840 730052 7.95 490592 1730672 188 02:10:05 5637360 7488584 293060 3.60 79792 1945312 729452 7.95 490932 1725456 188 02:20:05 5636604 7488444 293204 3.61 79940 1945772 729452 7.95 490972 1725944 192 Average: 5631592 7480159 302363 3.72 74444 1948727 710313 7.74 487227 1725692 212 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 1.76 0.11 0.24 0.07 0.00 0.00 0.00 0.00 01:00:05 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 2.28 0.89 4.06 0.40 0.00 0.00 0.00 0.00 01:10:05 lo 1.14 1.14 0.07 0.07 0.00 0.00 0.00 0.00 01:10:05 ens3 11.61 7.12 50.93 1.89 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.68 0.06 0.12 0.05 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.46 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.59 0.09 0.12 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 0.35 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.51 0.03 0.06 0.03 0.00 0.00 0.00 0.00 02:10:05 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 02:10:05 ens3 6.52 5.79 11.63 3.25 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.31 0.07 0.23 0.02 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 2.51 1.43 6.75 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-7779) 09/13/26 _x86_64_ (2 CPU) 00:33:00 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.26 0.00 0.09 0.01 0.00 99.64 00:50:05 0 0.46 0.00 0.07 0.01 0.00 99.47 00:50:05 1 0.06 0.00 0.12 0.01 0.01 99.80 01:00:05 all 1.34 0.00 0.30 0.04 0.01 98.31 01:00:05 0 2.14 0.00 0.29 0.06 0.01 97.51 01:00:05 1 0.54 0.00 0.32 0.02 0.01 99.12 01:10:05 all 4.73 0.00 0.66 0.24 0.01 94.36 01:10:05 0 3.66 0.00 0.66 0.21 0.01 95.46 01:10:05 1 5.81 0.00 0.67 0.27 0.01 93.25 01:20:05 all 0.27 0.00 0.07 0.01 0.01 99.65 01:20:05 0 0.47 0.00 0.04 0.01 0.00 99.47 01:20:05 1 0.06 0.00 0.10 0.01 0.01 99.82 01:30:05 all 0.28 0.00 0.16 0.01 0.01 99.55 01:30:05 0 0.17 0.00 0.16 0.00 0.01 99.66 01:30:05 1 0.38 0.00 0.17 0.02 0.01 99.43 01:40:05 all 0.27 0.00 0.09 0.01 0.00 99.63 01:40:05 0 0.06 0.00 0.11 0.00 0.00 99.82 01:40:05 1 0.48 0.00 0.07 0.02 0.00 99.43 01:50:05 all 0.25 0.00 0.09 0.01 0.01 99.64 01:50:05 0 0.07 0.00 0.11 0.01 0.01 99.81 01:50:05 1 0.44 0.00 0.07 0.01 0.01 99.47 02:00:05 all 0.29 0.00 0.19 0.01 0.01 99.50 02:00:05 0 0.46 0.00 0.16 0.01 0.01 99.37 02:00:05 1 0.13 0.00 0.21 0.01 0.01 99.64 02:10:05 all 3.70 0.00 0.48 0.10 0.01 95.70 02:10:05 0 4.05 0.00 0.48 0.07 0.01 95.39 02:10:05 1 3.35 0.00 0.49 0.14 0.01 96.01 02:20:05 all 0.27 0.00 0.09 0.01 0.01 99.62 02:20:05 0 0.05 0.00 0.11 0.00 0.01 99.83 02:20:05 1 0.50 0.00 0.07 0.02 0.00 99.42 Average: all 1.17 0.00 0.22 0.04 0.01 98.56 Average: 0 1.16 0.00 0.22 0.04 0.01 98.58 Average: 1 1.18 0.00 0.23 0.05 0.01 98.54