---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38094 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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: 5600.00 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 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 8.0G 30G 22% / 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 760 5198 4 2274 7181 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:ac:0d:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82502sec preferred_lft 82502sec inet6 fe80::f816:3eff:feac:d92/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38094) 08/16/26 _x86_64_ (2 CPU) 01:39:14 LINUX RESTART (2 CPU) 01:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:01 1.67 0.04 1.62 0.01 1.45 24.71 215.86 02:00:01 1.36 0.01 1.34 0.02 0.05 16.67 215.47 02:10:03 16.13 1.58 13.64 0.92 114.54 2198.05 198.45 02:20:01 12.01 1.24 9.32 1.45 109.61 1251.58 404.74 02:30:01 2.58 0.71 1.84 0.04 94.13 79.92 57.91 02:40:05 1.52 0.00 1.49 0.02 1.04 18.03 1.94 Average: 5.87 0.60 4.87 0.41 53.38 597.49 182.04 01:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:01 6289916 7535864 285516 3.51 30952 1420748 535396 5.83 452488 1183908 152 02:00:01 6282116 7528620 292752 3.60 31152 1421068 535460 5.83 452536 1184436 240 02:10:03 5481860 7394348 387192 4.76 71004 2013124 642764 7.00 583804 1799616 42492 02:20:01 5227584 7407472 360784 4.44 86256 2253900 630124 6.86 580548 2026868 124 02:30:01 5171712 7380812 386944 4.76 86688 2282628 825040 8.99 597364 2045584 124 02:40:05 5187364 7397388 370536 4.56 86880 2283284 630784 6.87 592196 2046120 240 Average: 5606759 7440751 347287 4.27 65489 1945792 633261 6.90 543156 1714422 7229 01:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 2.21 0.07 0.20 0.02 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 0.36 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:10:03 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:10:03 ens3 43.56 27.51 280.62 6.27 0.00 0.00 0.00 0.00 02:20:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:20:01 ens3 31.35 20.81 40.51 5.45 0.00 0.00 0.00 0.00 02:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.71 0.64 3.35 0.06 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 6.65 4.39 4.21 5.13 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.30 8.91 54.83 2.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38094) 08/16/26 _x86_64_ (2 CPU) 01:39:14 LINUX RESTART (2 CPU) 01:40:01 CPU %user %nice %system %iowait %steal %idle 01:50:01 all 0.32 0.00 0.16 0.01 0.05 99.46 01:50:01 0 0.49 0.00 0.14 0.01 0.03 99.33 01:50:01 1 0.15 0.00 0.18 0.01 0.06 99.59 02:00:01 all 0.31 0.00 0.16 0.01 0.05 99.47 02:00:01 0 0.54 0.00 0.12 0.01 0.03 99.30 02:00:01 1 0.08 0.00 0.20 0.01 0.07 99.65 02:10:03 all 6.12 0.00 0.93 0.52 0.05 92.37 02:10:03 0 10.84 0.00 1.31 0.66 0.05 87.14 02:10:03 1 1.40 0.00 0.54 0.38 0.06 97.61 02:20:01 all 5.87 0.00 0.96 0.21 0.08 92.88 02:20:01 0 6.16 0.00 1.04 0.15 0.09 92.56 02:20:01 1 5.57 0.00 0.88 0.28 0.07 93.20 02:30:01 all 0.46 0.00 0.28 0.04 0.07 99.16 02:30:01 0 0.43 0.00 0.24 0.01 0.05 99.26 02:30:01 1 0.49 0.00 0.31 0.07 0.08 99.05 02:40:05 all 0.53 0.00 0.17 0.01 0.06 99.24 02:40:05 0 0.47 0.00 0.23 0.00 0.09 99.21 02:40:05 1 0.58 0.00 0.11 0.02 0.03 99.26 Average: all 2.26 0.00 0.44 0.13 0.06 97.10 Average: 0 3.15 0.00 0.51 0.14 0.06 96.14 Average: 1 1.38 0.00 0.37 0.13 0.06 98.06