---> uname -a: Linux prd-queue-disttest-2c-1g-61198 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 715 5400 4 2114 7226 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:b1:2c:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 76436sec preferred_lft 76436sec inet6 fe80::f816:3eff:feb1:2c02/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-61198) 10/02/26 _x86_64_ (2 CPU) 00:34:15 LINUX RESTART (2 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:17 1.88 0.33 1.54 0.01 42.44 103.96 0.41 01:00:55 2.45 0.00 2.22 0.23 0.00 134.85 589.59 01:10:27 3.06 0.00 2.67 0.39 0.00 120.66 287.22 01:20:54 1.46 0.00 1.42 0.03 0.01 18.95 2.36 01:30:17 1.55 0.00 1.52 0.03 0.00 18.27 2.30 01:40:16 1.42 0.00 1.40 0.02 0.00 16.66 1.20 01:50:54 6.56 0.41 5.03 1.12 34.82 388.80 5052.28 02:00:27 16.13 0.00 1.81 14.32 0.15 25.64 112563.06 02:10:47 4.92 0.00 4.03 0.89 0.00 190.25 3332.23 02:20:37 1.44 0.00 1.43 0.02 0.00 16.98 1.22 02:30:37 5.51 0.00 4.38 1.13 0.00 197.20 1562.73 02:40:27 1.44 0.00 1.42 0.02 0.00 17.26 1.10 02:50:55 1.21 0.00 1.21 0.00 0.00 15.36 0.11 03:00:37 1.42 0.00 1.41 0.02 0.00 18.07 0.23 03:10:47 1.21 0.00 1.21 0.00 0.00 15.37 0.00 Average: 3.42 0.05 2.20 1.17 5.33 88.43 7875.66 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:17 5638748 7485272 300004 3.69 63448 1959796 729696 7.95 482404 1728740 164 01:00:55 5634548 7491120 293412 3.61 65348 1967472 730876 7.96 483552 1738344 172 01:10:27 5626144 7485140 299196 3.68 67332 1967804 733704 7.99 486176 1740660 152 01:20:54 5632260 7491920 292420 3.60 67548 1968256 733704 7.99 486396 1741200 124 01:30:17 5626472 7486620 297652 3.66 67740 1968592 733704 7.99 486204 1741684 232 01:40:16 5625052 7485736 298644 3.67 67952 1968880 733768 7.99 486224 1742220 164 01:50:54 5617776 7482088 299620 3.68 77276 1960904 751316 8.18 503404 1736968 1624 02:00:27 5606968 7471880 309816 3.81 77452 1961268 751316 8.18 503144 1737504 196 02:10:47 5603264 7462932 318480 3.92 80668 1952648 750680 8.18 502756 1732096 156 02:20:37 5603024 7463300 318104 3.91 80808 1953112 750680 8.18 502896 1732576 124 02:30:37 5602772 7466724 314508 3.87 83732 1953632 750100 8.17 503044 1736020 124 02:40:27 5604596 7469028 312244 3.84 83888 1953960 750100 8.17 503020 1736504 160 02:50:55 5607492 7472352 308916 3.80 83996 1954284 750100 8.17 503084 1736932 152 03:00:37 5603272 7468584 312660 3.84 84112 1954616 750164 8.17 503100 1737384 164 03:10:47 5603272 7469012 312252 3.84 84212 1954944 750164 8.17 503120 1737812 164 Average: 5615711 7476781 305862 3.76 75701 1960011 743338 8.10 495902 1737110 258 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:17 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:17 ens3 3.31 0.36 3.68 0.12 0.00 0.00 0.00 0.00 01:00:55 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:55 ens3 2.03 0.59 0.74 0.34 0.00 0.00 0.00 0.00 01:10:27 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:27 ens3 4.87 1.45 1.85 0.93 0.00 0.00 0.00 0.00 01:20:54 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:54 ens3 2.73 0.18 0.43 0.13 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.96 0.07 1.86 0.04 0.00 0.00 0.00 0.00 01:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:16 ens3 0.79 0.15 0.19 0.11 0.00 0.00 0.00 0.00 01:50:54 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 01:50:54 ens3 7.81 6.38 25.69 3.62 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 0.66 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:10:47 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 02:10:47 ens3 6.32 5.14 11.37 1.49 0.00 0.00 0.00 0.00 02:20:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:37 ens3 0.26 0.05 0.20 0.02 0.00 0.00 0.00 0.00 02:30:37 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 02:30:37 ens3 6.46 5.51 11.72 2.71 0.00 0.00 0.00 0.00 02:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:27 ens3 0.34 0.05 0.08 0.05 0.00 0.00 0.00 0.00 02:50:55 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:55 ens3 0.66 0.16 0.34 0.10 0.00 0.00 0.00 0.00 03:00:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:37 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:10:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:47 ens3 0.22 0.05 0.05 0.03 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.56 1.38 4.00 0.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-61198) 10/02/26 _x86_64_ (2 CPU) 00:34:15 LINUX RESTART (2 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:17 all 0.45 0.00 0.12 0.04 0.00 99.38 00:50:17 0 0.55 0.00 0.08 0.02 0.00 99.35 00:50:17 1 0.36 0.00 0.17 0.05 0.00 99.42 01:00:55 all 1.05 0.00 0.26 0.03 0.01 98.65 01:00:55 0 1.67 0.00 0.23 0.03 0.00 98.06 01:00:55 1 0.43 0.00 0.28 0.03 0.01 99.25 01:10:27 all 1.93 0.00 0.28 0.07 0.01 97.71 01:10:27 0 3.31 0.00 0.29 0.08 0.01 96.31 01:10:27 1 0.55 0.00 0.26 0.06 0.01 99.12 01:20:54 all 0.27 0.00 0.10 0.07 0.01 99.56 01:20:54 0 0.15 0.00 0.10 0.08 0.01 99.66 01:20:54 1 0.38 0.00 0.10 0.06 0.00 99.46 01:30:17 all 0.30 0.00 0.17 0.07 0.01 99.45 01:30:17 0 0.50 0.00 0.15 0.06 0.00 99.29 01:30:17 1 0.11 0.00 0.19 0.07 0.01 99.62 01:40:16 all 0.27 0.00 0.10 0.02 0.00 99.61 01:40:16 0 0.48 0.00 0.05 0.04 0.00 99.43 01:40:16 1 0.06 0.00 0.14 0.00 0.00 99.79 01:50:54 all 3.85 0.00 0.56 0.14 0.01 95.44 01:50:54 0 2.16 0.00 0.38 0.06 0.00 97.40 01:50:54 1 5.53 0.00 0.74 0.23 0.01 93.49 02:00:27 all 0.28 0.00 0.17 0.05 0.00 99.50 02:00:27 0 0.50 0.00 0.13 0.03 0.00 99.35 02:00:27 1 0.06 0.00 0.21 0.07 0.00 99.66 02:10:47 all 3.52 0.00 0.49 0.11 0.01 95.87 02:10:47 0 4.06 0.00 0.49 0.20 0.01 95.25 02:10:47 1 2.98 0.00 0.49 0.03 0.01 96.50 02:20:37 all 0.25 0.00 0.08 0.02 0.00 99.65 02:20:37 0 0.44 0.00 0.05 0.02 0.00 99.48 02:20:37 1 0.06 0.00 0.11 0.01 0.01 99.82 02:30:37 all 3.70 0.00 0.58 0.11 0.01 95.60 02:30:37 0 4.83 0.00 0.54 0.04 0.01 94.59 02:30:37 1 2.57 0.00 0.62 0.19 0.01 96.62 02:30:37 CPU %user %nice %system %iowait %steal %idle 02:40:27 all 0.26 0.00 0.10 0.01 0.00 99.62 02:40:27 0 0.06 0.00 0.10 0.01 0.01 99.82 02:40:27 1 0.46 0.00 0.11 0.00 0.00 99.42 02:50:55 all 0.27 0.00 0.09 0.01 0.00 99.63 02:50:55 0 0.34 0.00 0.07 0.01 0.00 99.58 02:50:55 1 0.20 0.00 0.11 0.00 0.00 99.69 03:00:37 all 0.27 0.00 0.15 0.01 0.00 99.56 03:00:37 0 0.47 0.00 0.12 0.02 0.00 99.39 03:00:37 1 0.07 0.00 0.18 0.00 0.00 99.74 03:10:47 all 0.25 0.00 0.08 0.01 0.00 99.66 03:10:47 0 0.45 0.00 0.03 0.01 0.00 99.50 03:10:47 1 0.05 0.00 0.12 0.00 0.01 99.82 Average: all 1.14 0.00 0.22 0.05 0.00 98.58 Average: 0 1.34 0.00 0.19 0.05 0.00 98.42 Average: 1 0.95 0.00 0.26 0.05 0.01 98.73