---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38261 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: 5599.94 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 762 5192 4 2279 7179 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:1a:c8:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82745sec preferred_lft 82745sec inet6 fe80::f816:3eff:fe1a:c8af/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-38261) 08/17/26 _x86_64_ (2 CPU) 01:04:20 LINUX RESTART (2 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:06 2.26 0.72 1.53 0.01 95.16 75.62 60.73 01:30:04 14.91 0.03 1.58 13.30 2.30 19.30 109328.09 01:40:05 1.12 0.00 1.12 0.00 0.00 13.41 2.30 01:50:05 1.13 0.00 1.13 0.00 0.00 13.54 0.01 02:00:01 18.60 1.59 16.06 0.95 113.96 2264.69 835.68 Average: 7.59 0.47 4.27 2.85 42.23 475.30 22024.56 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:06 6249332 7525204 295228 3.63 31244 1449984 519792 5.66 446208 1202280 228 01:30:04 6250304 7527404 292884 3.60 31440 1450992 519792 5.66 446812 1202884 200 01:40:05 6272328 7549944 270324 3.32 31604 1451320 520000 5.66 447196 1203392 208 01:50:05 6282580 7560816 259444 3.19 31768 1451772 520000 5.66 447408 1203880 208 02:00:01 5400948 7344652 435772 5.36 71500 2043368 660856 7.20 619844 1818916 42676 Average: 6091098 7501604 310730 3.82 39511 1569487 548088 5.97 481494 1326270 8704 01:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 1.10 0.30 3.47 0.08 0.00 0.00 0.00 0.00 01:30:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.84 0.11 2.13 0.06 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 0.50 0.08 0.54 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 0.22 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:01 ens3 39.20 25.66 282.88 6.48 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 8.34 5.22 57.56 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38261) 08/17/26 _x86_64_ (2 CPU) 01:04:20 LINUX RESTART (2 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:06 all 0.39 0.00 0.13 0.03 0.03 99.43 01:20:06 0 0.38 0.00 0.09 0.02 0.03 99.48 01:20:06 1 0.40 0.00 0.16 0.04 0.03 99.37 01:30:04 all 0.34 0.00 0.20 0.04 0.03 99.39 01:30:04 0 0.36 0.00 0.16 0.02 0.03 99.43 01:30:04 1 0.32 0.00 0.24 0.05 0.03 99.35 01:40:05 all 0.25 0.00 0.08 0.01 0.03 99.64 01:40:05 0 0.43 0.00 0.05 0.02 0.02 99.49 01:40:05 1 0.08 0.00 0.10 0.00 0.03 99.79 01:50:05 all 0.23 0.00 0.08 0.01 0.03 99.65 01:50:05 0 0.42 0.00 0.05 0.00 0.02 99.51 01:50:05 1 0.05 0.00 0.10 0.02 0.04 99.79 02:00:01 all 6.30 0.00 1.04 0.34 0.04 92.28 02:00:01 0 8.13 0.00 1.05 0.44 0.04 90.34 02:00:01 1 4.46 0.00 1.04 0.24 0.04 94.22 Average: all 1.50 0.00 0.30 0.08 0.03 98.08 Average: 0 1.94 0.00 0.28 0.10 0.03 97.66 Average: 1 1.06 0.00 0.33 0.07 0.03 98.51