---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37168 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 8.0G 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 764 5196 4 2273 7177 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:2b:97:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82782sec preferred_lft 82782sec inet6 fe80::f816:3eff:fe2b:97d5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37168) 08/13/26 _x86_64_ (2 CPU) 01:05:07 LINUX RESTART (2 CPU) 01:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 1.17 0.03 1.14 0.00 1.35 14.41 2.39 01:30:10 2.19 0.70 1.48 0.02 92.59 74.57 261.25 01:40:20 1.19 0.00 1.18 0.00 1.04 14.39 2.32 01:50:01 14.88 0.00 1.20 13.68 0.15 14.24 112667.30 02:00:10 19.01 1.57 16.53 0.91 113.10 2162.04 388.29 Average: 7.68 0.47 4.36 2.85 42.43 464.19 22020.12 01:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 6309196 7555852 265460 3.26 30960 1421452 529644 5.77 437408 1184136 196 01:30:10 6249716 7525812 294716 3.62 31424 1450004 724268 7.89 453136 1202836 312 01:40:20 6257808 7534676 285836 3.51 31600 1450632 530132 5.77 447344 1203292 64 01:50:01 6257556 7534972 285536 3.51 31760 1450976 530136 5.77 447520 1203804 264 02:00:10 5435956 7373844 406928 5.00 71468 2037812 669500 7.29 618604 1813460 45060 Average: 6102046 7505031 307695 3.78 39442 1562175 596736 6.50 480802 1321506 9179 01:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 1.03 0.13 0.15 0.07 0.00 0.00 0.00 0.00 01:30:10 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.93 0.35 3.35 0.13 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 0.49 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.36 0.08 0.09 0.04 0.00 0.00 0.00 0.00 02:00:10 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:10 ens3 33.11 22.69 273.64 6.25 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 7.31 4.75 56.50 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37168) 08/13/26 _x86_64_ (2 CPU) 01:05:07 LINUX RESTART (2 CPU) 01:10:20 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 0.25 0.00 0.08 0.01 0.04 99.62 01:20:00 0 0.20 0.00 0.08 0.00 0.04 99.68 01:20:00 1 0.30 0.00 0.09 0.02 0.04 99.55 01:30:10 all 0.41 0.00 0.20 0.08 0.05 99.27 01:30:10 0 0.32 0.00 0.21 0.10 0.06 99.31 01:30:10 1 0.50 0.00 0.18 0.06 0.03 99.22 01:40:20 all 0.24 0.00 0.08 0.01 0.04 99.63 01:40:20 0 0.05 0.00 0.09 0.02 0.05 99.79 01:40:20 1 0.44 0.00 0.06 0.00 0.03 99.46 01:50:01 all 0.23 0.00 0.09 0.03 0.04 99.60 01:50:01 0 0.05 0.00 0.13 0.06 0.05 99.72 01:50:01 1 0.42 0.00 0.06 0.00 0.03 99.49 02:00:10 all 5.99 0.00 0.99 0.32 0.04 92.66 02:00:10 0 7.05 0.00 1.10 0.33 0.05 91.47 02:00:10 1 4.93 0.00 0.88 0.32 0.04 93.84 Average: all 1.45 0.00 0.29 0.09 0.04 98.13 Average: 0 1.56 0.00 0.33 0.10 0.05 97.96 Average: 1 1.33 0.00 0.26 0.08 0.03 98.29