---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3903 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: 5600.00 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 7.9G 30G 21% / 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 760 5274 4 2195 7180 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:cb:92:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81914sec preferred_lft 81914sec inet6 fe80::f816:3eff:fecb:921b/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-3903) 08/10/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:14 1.49 0.01 1.45 0.03 0.05 18.16 449.72 01:10:08 2.25 0.71 1.52 0.02 95.19 75.30 80.07 01:20:14 1.46 0.01 1.43 0.02 1.05 16.79 22.88 01:30:14 1.54 0.00 1.50 0.03 0.00 18.15 437.11 01:40:08 1.42 0.00 1.40 0.02 0.00 16.77 21.01 01:50:09 14.56 1.46 12.16 0.93 109.50 1899.94 230.38 Average: 3.79 0.36 3.25 0.18 34.21 341.87 207.11 00:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:14 6296412 7543440 277988 3.42 31064 1421692 520504 5.67 439528 1184124 200 01:10:08 6247360 7523672 297136 3.65 31524 1450124 705920 7.69 456260 1202700 204 01:20:14 6254460 7531632 289204 3.56 31728 1450764 520596 5.67 450536 1203232 168 01:30:14 6244068 7521800 298980 3.68 31936 1451088 520740 5.67 457292 1203764 216 01:40:08 6252060 7530468 290300 3.57 32148 1451552 520808 5.67 457444 1204308 160 01:50:09 5467084 7404380 376772 4.63 71828 2036852 633500 6.90 581380 1812952 139520 Average: 6126907 7509232 305063 3.75 38371 1543679 570345 6.21 473740 1301847 23411 00:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 0.51 0.03 0.06 0.01 0.00 0.00 0.00 0.00 01:10:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.84 0.47 3.34 0.06 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.46 0.07 0.26 0.06 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.48 0.07 0.11 0.06 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.45 0.11 0.13 0.07 0.00 0.00 0.00 0.00 01:50:09 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:50:09 ens3 41.66 26.18 277.71 6.14 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.42 4.51 47.09 1.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3903) 08/10/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:14 CPU %user %nice %system %iowait %steal %idle 01:00:14 all 0.28 0.00 0.16 0.01 0.03 99.51 01:00:14 0 0.11 0.00 0.17 0.01 0.04 99.67 01:00:14 1 0.46 0.00 0.15 0.02 0.03 99.35 01:10:08 all 0.38 0.00 0.12 0.04 0.03 99.44 01:10:08 0 0.44 0.00 0.08 0.02 0.02 99.44 01:10:08 1 0.32 0.00 0.15 0.05 0.04 99.44 01:20:14 all 0.26 0.00 0.08 0.01 0.03 99.62 01:20:14 0 0.42 0.00 0.06 0.02 0.02 99.48 01:20:14 1 0.10 0.00 0.09 0.00 0.04 99.77 01:30:14 all 0.28 0.00 0.16 0.01 0.03 99.52 01:30:14 0 0.28 0.00 0.16 0.00 0.03 99.54 01:30:14 1 0.27 0.00 0.17 0.02 0.04 99.51 01:40:08 all 0.23 0.00 0.07 0.01 0.03 99.65 01:40:08 0 0.05 0.00 0.09 0.01 0.04 99.81 01:40:08 1 0.41 0.00 0.05 0.02 0.03 99.49 01:50:09 all 6.11 0.00 0.93 0.35 0.04 92.58 01:50:09 0 5.30 0.00 0.95 0.36 0.04 93.35 01:50:09 1 6.92 0.00 0.90 0.34 0.05 91.80 Average: all 1.26 0.00 0.25 0.07 0.03 98.38 Average: 0 1.10 0.00 0.25 0.07 0.03 98.54 Average: 1 1.42 0.00 0.25 0.07 0.04 98.22