---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3676 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 757 5022 4 2463 7184 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:86:8a:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82079sec preferred_lft 82079sec inet6 fe80::f816:3eff:fe86:8a1b/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-3676) 08/09/26 _x86_64_ (2 CPU) 01:46:04 LINUX RESTART (2 CPU) 01:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.54 0.03 1.50 0.01 1.26 18.42 2.58 02:10:01 2.15 0.71 1.41 0.02 94.17 73.65 74.64 02:20:09 1.38 0.01 1.35 0.02 1.05 16.02 20.61 02:30:01 15.03 0.00 1.55 13.47 0.15 18.33 110931.70 02:40:01 1.41 0.00 1.39 0.02 0.00 16.77 23.14 02:50:13 18.74 1.56 16.26 0.93 112.36 2184.43 238.34 Average: 6.73 0.39 3.96 2.38 35.21 395.18 18274.84 01:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6293484 7544032 277460 3.41 30988 1425256 529480 5.77 440144 1188124 124 02:10:01 6236656 7516500 304240 3.74 31456 1453688 723220 7.88 456908 1206708 124 02:20:09 6274100 7554840 265968 3.27 31676 1454356 529712 5.77 451076 1207284 188 02:30:01 6271780 7553084 267652 3.29 31868 1454696 529712 5.77 451012 1207788 240 02:40:01 6276344 7558336 262380 3.23 32088 1455156 530356 5.78 452716 1208340 240 02:50:13 5429332 7371780 409056 5.03 71856 2041880 634852 6.91 595824 1818168 47292 Average: 6130283 7516429 297793 3.66 38322 1547505 579555 6.31 474613 1306069 8035 01:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.74 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.13 0.53 6.74 0.05 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.32 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.63 0.04 1.03 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.18 3.78 4.10 3.45 0.00 0.00 0.00 0.00 02:50:13 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:50:13 ens3 37.79 24.76 272.78 9.66 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 7.92 4.96 48.38 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3676) 08/09/26 _x86_64_ (2 CPU) 01:46:04 LINUX RESTART (2 CPU) 01:50:13 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.04 0.02 99.47 02:00:01 0 0.08 0.00 0.20 0.05 0.03 99.65 02:00:01 1 0.52 0.00 0.15 0.02 0.02 99.29 02:10:01 all 0.36 0.00 0.11 0.05 0.03 99.45 02:10:01 0 0.28 0.00 0.16 0.09 0.03 99.44 02:10:01 1 0.44 0.00 0.07 0.02 0.02 99.45 02:20:09 all 0.27 0.00 0.08 0.03 0.03 99.61 02:20:09 0 0.06 0.00 0.11 0.02 0.03 99.78 02:20:09 1 0.47 0.00 0.05 0.03 0.02 99.43 02:30:01 all 0.31 0.00 0.18 0.26 0.02 99.23 02:30:01 0 0.31 0.00 0.21 0.36 0.03 99.10 02:30:01 1 0.30 0.00 0.15 0.16 0.02 99.36 02:40:01 all 0.41 0.00 0.10 0.04 0.02 99.43 02:40:01 0 0.34 0.00 0.10 0.05 0.03 99.49 02:40:01 1 0.48 0.00 0.10 0.03 0.02 99.37 02:50:13 all 6.37 0.00 0.98 1.45 0.04 91.17 02:50:13 0 5.93 0.00 0.91 1.48 0.04 91.65 02:50:13 1 6.81 0.00 1.05 1.41 0.04 90.68 Average: all 1.35 0.00 0.27 0.32 0.03 98.03 Average: 0 1.18 0.00 0.28 0.35 0.03 98.16 Average: 1 1.53 0.00 0.26 0.28 0.02 97.90