---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38258 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 779 5179 4 2276 7162 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:27:0e:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82773sec preferred_lft 82773sec inet6 fe80::f816:3eff:fe27:e3b/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-38258) 08/17/26 _x86_64_ (2 CPU) 01:04:21 LINUX RESTART (2 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:06 2.20 0.72 1.47 0.01 95.16 75.18 60.74 01:30:04 1.50 0.00 1.49 0.02 0.00 18.28 0.23 01:40:05 1.40 0.00 1.40 0.00 0.00 16.38 2.30 01:50:01 1.30 0.00 1.29 0.00 0.00 14.86 0.01 02:00:05 15.34 1.57 12.82 0.94 114.01 2229.60 342.81 Average: 4.37 0.46 3.71 0.20 42.00 473.80 81.68 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:06 6257864 7533428 287420 3.53 31272 1449876 534516 5.82 457456 1202468 192 01:30:04 6244804 7520900 299828 3.69 31456 1450208 534524 5.82 458000 1202984 196 01:40:05 6244804 7521412 299296 3.68 31644 1450536 534680 5.82 458344 1203488 196 01:50:01 6252392 7529500 291216 3.58 31808 1450856 534816 5.83 458476 1203984 188 02:00:05 5427716 7370824 409972 5.04 71572 2043028 668436 7.28 618828 1819064 47336 Average: 6085516 7495213 317546 3.90 39550 1568901 561394 6.11 490221 1326398 9622 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 1.40 0.56 3.41 0.09 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.82 0.08 2.12 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 0.59 0.24 0.55 0.51 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 0.22 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:05 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:05 ens3 35.16 24.14 279.11 5.82 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 7.68 5.04 57.42 1.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38258) 08/17/26 _x86_64_ (2 CPU) 01:04:21 LINUX RESTART (2 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:06 all 0.40 0.00 0.12 0.03 0.03 99.42 01:20:06 0 0.29 0.00 0.14 0.02 0.03 99.53 01:20:06 1 0.52 0.00 0.11 0.04 0.02 99.32 01:30:04 all 0.30 0.00 0.16 0.01 0.03 99.49 01:30:04 0 0.38 0.00 0.17 0.01 0.03 99.41 01:30:04 1 0.23 0.00 0.16 0.01 0.03 99.58 01:40:05 all 0.26 0.00 0.08 0.01 0.03 99.63 01:40:05 0 0.29 0.00 0.06 0.01 0.03 99.61 01:40:05 1 0.22 0.00 0.09 0.01 0.03 99.66 01:50:01 all 0.25 0.00 0.07 0.01 0.02 99.65 01:50:01 0 0.45 0.00 0.04 0.02 0.01 99.48 01:50:01 1 0.05 0.00 0.09 0.00 0.03 99.82 02:00:05 all 6.20 0.00 1.02 0.32 0.04 92.42 02:00:05 0 8.45 0.00 1.22 0.41 0.03 89.89 02:00:05 1 3.96 0.00 0.81 0.24 0.04 94.95 Average: all 1.49 0.00 0.29 0.08 0.03 98.11 Average: 0 1.98 0.00 0.33 0.09 0.03 97.57 Average: 1 1.00 0.00 0.25 0.06 0.03 98.66