---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65908 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: 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 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 8.0G 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 808 5154 4 2267 7133 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:e6:d0:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80882sec preferred_lft 80882sec inet6 fe80::f816:3eff:fee6:d048/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65908) 04/02/26 _x86_64_ (2 CPU) 01:53:22 LINUX RESTART (2 CPU) 02:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:14 2.01 0.32 1.67 0.02 39.06 73.54 0.56 02:20:01 1.40 0.01 1.38 0.02 1.09 16.23 1.28 02:30:15 1.54 0.00 1.52 0.03 0.00 18.47 1.43 02:40:16 13.84 0.00 1.30 12.54 0.15 15.79 108866.67 02:50:01 1.35 0.00 1.34 0.02 0.00 16.07 1.11 03:00:17 23.16 2.95 18.03 2.17 221.94 2925.05 664.07 03:10:18 2.07 0.00 2.04 0.03 0.48 171.33 1.23 03:20:01 1.38 0.00 1.37 0.00 0.36 82.02 0.00 Average: 5.93 0.42 3.64 1.87 33.70 425.29 13764.56 02:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:14 6241144 7509088 311180 3.83 30448 1443484 720444 7.85 463908 1195632 124 02:20:01 6240388 7509180 311192 3.83 30644 1444124 522784 5.69 458540 1196156 148 02:30:15 6246240 7515624 304652 3.75 30868 1444452 524412 5.71 459664 1196708 120 02:40:16 6245988 7516064 304176 3.74 31060 1444948 522804 5.69 458820 1197240 188 02:50:01 6253324 7523928 296332 3.64 31256 1445276 522804 5.69 458896 1197764 124 03:00:17 5355656 7456572 315660 3.88 84648 2181060 550412 6.00 547944 1941384 28936 03:10:18 5288308 7401492 370776 4.56 84816 2193224 646780 7.04 601248 1953700 264 03:20:01 5263904 7397888 374380 4.60 84968 2213872 641208 6.98 604592 1974396 2036 Average: 5891869 7478730 323544 3.98 51088 1726305 581456 6.33 506702 1481622 3992 02:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.72 0.22 3.07 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.36 0.03 0.48 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.24 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 0.38 0.07 0.23 0.04 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:17 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:17 ens3 45.85 33.22 288.48 9.90 0.00 0.00 0.00 0.00 03:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:18 ens3 38.18 31.52 8.14 4.12 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 42.72 42.16 9.41 5.85 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 16.13 13.41 39.76 2.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65908) 04/02/26 _x86_64_ (2 CPU) 01:53:22 LINUX RESTART (2 CPU) 02:00:14 CPU %user %nice %system %iowait %steal %idle 02:10:14 all 0.36 0.00 0.12 0.03 0.03 99.47 02:10:14 0 0.25 0.00 0.13 0.04 0.03 99.55 02:10:14 1 0.47 0.00 0.11 0.01 0.03 99.39 02:20:01 all 0.24 0.00 0.08 0.06 0.03 99.58 02:20:01 0 0.07 0.00 0.09 0.11 0.04 99.68 02:20:01 1 0.42 0.00 0.06 0.02 0.02 99.48 02:30:15 all 0.26 0.00 0.16 0.01 0.03 99.53 02:30:15 0 0.27 0.00 0.17 0.01 0.04 99.52 02:30:15 1 0.26 0.00 0.15 0.01 0.03 99.55 02:40:16 all 0.24 0.00 0.09 0.06 0.03 99.59 02:40:16 0 0.38 0.00 0.08 0.06 0.03 99.45 02:40:16 1 0.09 0.00 0.09 0.05 0.04 99.73 02:50:01 all 0.26 0.00 0.08 0.03 0.04 99.61 02:50:01 0 0.20 0.00 0.07 0.03 0.04 99.65 02:50:01 1 0.31 0.00 0.08 0.02 0.03 99.56 03:00:17 all 10.47 0.00 1.68 2.80 0.05 85.00 03:00:17 0 9.62 0.00 1.69 4.68 0.05 83.96 03:00:17 1 11.32 0.00 1.68 0.92 0.05 86.03 03:10:18 all 5.66 0.00 0.48 0.02 0.07 93.77 03:10:18 0 4.75 0.00 0.40 0.03 0.07 94.75 03:10:18 1 6.58 0.00 0.56 0.01 0.07 92.77 03:20:01 all 7.38 0.00 0.48 0.01 0.08 92.04 03:20:01 0 7.06 0.00 0.48 0.01 0.08 92.37 03:20:01 1 7.70 0.00 0.49 0.02 0.08 91.72 Average: all 3.12 0.00 0.40 0.39 0.05 96.05 Average: 0 2.83 0.00 0.39 0.64 0.05 96.09 Average: 1 3.40 0.00 0.41 0.14 0.04 96.01