---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4106 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 773 5198 4 2258 7168 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:4b:b8:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82878sec preferred_lft 82878sec inet6 fe80::f816:3eff:fe4b:b809/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4106) 04/18/26 _x86_64_ (2 CPU) 00:35:42 LINUX RESTART (2 CPU) 00:40:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:26 1.58 0.04 1.52 0.02 3.07 29.53 0.93 01:00:26 1.64 0.01 1.62 0.02 0.05 25.20 0.44 01:10:26 1.58 0.00 1.57 0.02 0.00 135.13 398.20 01:20:16 1.44 0.00 1.42 0.02 0.01 31.17 2.63 01:30:01 15.40 0.00 1.60 13.80 0.15 28.56 109418.02 Average: 4.28 0.01 1.55 2.73 0.66 50.09 21590.35 00:40:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:26 5241004 7350508 421164 5.18 84412 2189692 684140 7.45 618768 1948472 172 01:00:26 5230680 7342160 429208 5.28 84568 2191500 703028 7.66 637916 1950448 180 01:10:26 5169028 7315920 455144 5.60 84760 2226464 761308 8.29 645844 1985608 132 01:20:16 5181528 7333132 437872 5.38 84932 2230936 694232 7.56 628684 1990256 344 01:30:01 5176548 7331148 439692 5.41 85080 2233728 698480 7.61 632292 1993040 312 Average: 5199758 7334574 436616 5.37 84750 2214464 708238 7.71 632701 1973565 228 00:40:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:26 ens3 17.62 15.91 223.98 2.26 0.00 0.00 0.00 0.00 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 7.88 7.55 61.25 0.86 0.00 0.00 0.00 0.00 01:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:26 ens3 10.18 9.01 156.61 0.98 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 9.43 8.34 30.65 1.40 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 4.36 3.79 1.06 1.07 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.92 8.95 95.40 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4106) 04/18/26 _x86_64_ (2 CPU) 00:35:42 LINUX RESTART (2 CPU) 00:40:26 CPU %user %nice %system %iowait %steal %idle 00:50:26 all 1.26 0.00 0.28 0.01 0.07 98.38 00:50:26 0 0.79 0.00 0.21 0.02 0.06 98.93 00:50:26 1 1.72 0.00 0.35 0.01 0.09 97.83 01:00:26 all 2.63 0.00 0.40 0.01 0.07 96.89 01:00:26 0 2.80 0.00 0.38 0.01 0.06 96.75 01:00:26 1 2.46 0.00 0.42 0.01 0.09 97.03 01:10:26 all 4.84 0.00 0.48 0.02 0.07 94.60 01:10:26 0 1.98 0.00 0.21 0.01 0.06 97.74 01:10:26 1 7.79 0.00 0.75 0.03 0.09 91.34 01:20:16 all 2.76 0.00 0.31 0.01 0.08 96.83 01:20:16 0 1.10 0.00 0.18 0.02 0.07 98.64 01:20:16 1 4.43 0.00 0.44 0.01 0.10 95.02 01:30:01 all 2.10 0.00 0.32 0.03 0.09 97.46 01:30:01 0 2.30 0.00 0.37 0.01 0.10 97.22 01:30:01 1 1.91 0.00 0.28 0.05 0.07 97.69 Average: all 2.71 0.00 0.36 0.02 0.08 96.84 Average: 0 1.79 0.00 0.27 0.01 0.07 97.86 Average: 1 3.64 0.00 0.45 0.02 0.09 95.81