---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2215 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: 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 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 8.1G 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 744 5127 4 2362 7197 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:19:3d:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82357sec preferred_lft 82357sec inet6 fe80::f816:3eff:fe19:3d06/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2215) 08/05/26 _x86_64_ (2 CPU) 01:46:57 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.40 0.03 1.36 0.01 1.24 16.85 426.87 02:10:38 14.62 0.68 1.46 12.48 89.73 71.50 102652.26 02:20:01 1.21 0.00 1.19 0.01 0.01 14.52 0.81 02:30:20 1.40 0.00 1.38 0.01 0.00 17.55 200.94 02:40:38 1.23 0.00 1.23 0.00 0.00 14.66 0.00 02:50:01 34.05 3.19 28.26 2.60 244.51 4032.94 2251.64 Average: 8.79 0.62 5.54 2.62 54.36 654.32 18637.82 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6287128 7533736 287520 3.54 30912 1421648 523756 5.70 446352 1183776 164 02:10:38 6257144 7533412 287100 3.53 31420 1450400 524136 5.71 457680 1202380 172 02:20:01 6257784 7534572 285892 3.52 31608 1450724 524200 5.71 457688 1202892 272 02:30:20 6255860 7533260 287220 3.53 31808 1451116 524148 5.71 458060 1203420 192 02:40:38 6255856 7533744 286728 3.53 31960 1451448 524808 5.72 459712 1203904 124 02:50:01 5175232 7405668 361184 4.44 88260 2301980 642408 7.00 602428 2064744 2116 Average: 6081501 7512399 299274 3.68 40995 1587886 543909 5.92 480320 1343519 507 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.64 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:10:38 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:38 ens3 1.74 0.52 7.42 0.12 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.42 0.11 0.13 0.08 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.41 0.08 0.25 0.06 0.00 0.00 0.00 0.00 02:40:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:38 ens3 6.25 3.51 4.10 3.25 0.00 0.00 0.00 0.00 02:50:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 02:50:01 ens3 73.24 53.92 353.19 18.12 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.08 9.17 57.36 3.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2215) 08/05/26 _x86_64_ (2 CPU) 01:46:57 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.27 0.00 0.16 0.06 0.03 99.48 02:00:00 0 0.10 0.00 0.20 0.05 0.04 99.62 02:00:00 1 0.45 0.00 0.12 0.07 0.03 99.34 02:10:38 all 0.37 0.00 0.12 0.09 0.03 99.38 02:10:38 0 0.52 0.00 0.12 0.10 0.03 99.24 02:10:38 1 0.22 0.00 0.13 0.09 0.03 99.53 02:20:01 all 0.26 0.00 0.08 0.03 0.03 99.60 02:20:01 0 0.47 0.00 0.05 0.06 0.02 99.40 02:20:01 1 0.06 0.00 0.10 0.01 0.04 99.79 02:30:20 all 0.27 0.00 0.16 0.02 0.02 99.52 02:30:20 0 0.48 0.00 0.15 0.03 0.02 99.32 02:30:20 1 0.07 0.00 0.17 0.02 0.03 99.72 02:40:38 all 0.42 0.00 0.10 1.19 0.03 98.26 02:40:38 0 0.46 0.00 0.09 0.40 0.03 99.02 02:40:38 1 0.38 0.00 0.11 1.98 0.03 97.49 02:50:01 all 15.58 0.00 2.13 5.66 0.07 76.55 02:50:01 0 19.87 0.00 2.27 6.63 0.07 71.16 02:50:01 1 11.31 0.00 1.98 4.70 0.07 81.93 Average: all 2.71 0.00 0.44 1.12 0.04 95.70 Average: 0 3.44 0.00 0.46 1.14 0.03 94.92 Average: 1 1.97 0.00 0.42 1.11 0.04 96.47