---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33844 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 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 780 5086 4 2368 7161 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:01:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80249sec preferred_lft 80249sec inet6 fe80::f816:3eff:fecb:10d/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-33844) 07/08/26 _x86_64_ (2 CPU) 00:35:36 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:17 1.43 0.02 1.40 0.00 1.21 16.96 0.12 01:00:17 1.99 0.26 1.70 0.04 31.03 77.75 437.29 01:10:01 1.35 0.01 1.34 0.01 1.08 15.97 0.79 01:20:04 1.16 0.00 1.16 0.00 0.01 14.39 0.00 01:30:14 13.78 0.00 1.42 12.36 0.14 18.66 107551.08 01:40:01 1.17 0.00 1.16 0.01 0.00 14.84 222.86 01:50:04 1.55 0.40 1.15 0.00 15.69 45.29 0.00 02:00:04 25.13 2.61 20.21 2.31 214.65 3424.70 493.87 02:10:01 1.36 0.00 1.36 0.01 0.00 67.70 0.64 Average: 5.46 0.37 3.43 1.66 29.33 410.76 12276.88 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:17 6278676 7529912 290260 3.57 30792 1426272 524172 5.71 445080 1187760 184 01:00:17 6225444 7503904 315748 3.88 31196 1452728 722264 7.87 458764 1205864 176 01:10:01 6248432 7527724 292000 3.59 31380 1453364 523272 5.70 453812 1206372 196 01:20:04 6253752 7533552 286156 3.52 31544 1453688 523392 5.70 454444 1206860 252 01:30:14 6252424 7532976 286412 3.52 31756 1454204 578472 6.30 459752 1207428 224 01:40:01 6261928 7542964 276524 3.40 31912 1454524 523456 5.70 454628 1207908 160 01:50:04 6223488 7519528 299644 3.68 32192 1469180 539716 5.88 480528 1221316 316 02:00:04 5157796 7375400 391164 4.81 87892 2289960 665528 7.25 621104 2053428 1768 02:10:01 5142256 7374472 392028 4.82 88036 2304460 667268 7.27 623532 2068040 968 Average: 6004911 7493381 314437 3.87 44078 1639820 585282 6.37 494627 1396108 472 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:17 ens3 1.03 0.08 0.14 0.06 0.00 0.00 0.00 0.00 01:00:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.71 0.24 3.23 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.38 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.58 0.24 0.13 0.59 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 0.25 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.40 0.10 0.14 0.06 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 12.11 5.30 19.99 2.68 0.00 0.00 0.00 0.00 02:00:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:04 ens3 67.81 51.17 303.53 9.97 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 50.03 44.93 10.06 5.84 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 14.79 11.33 37.50 2.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33844) 07/08/26 _x86_64_ (2 CPU) 00:35:36 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:17 all 0.24 0.00 0.09 0.06 0.02 99.59 00:50:17 0 0.18 0.00 0.09 0.07 0.02 99.63 00:50:17 1 0.31 0.00 0.08 0.04 0.02 99.55 01:00:17 all 0.40 0.00 0.20 0.06 0.02 99.32 01:00:17 0 0.32 0.00 0.22 0.08 0.02 99.37 01:00:17 1 0.48 0.00 0.18 0.04 0.02 99.28 01:10:01 all 0.25 0.00 0.08 0.02 0.02 99.63 01:10:01 0 0.06 0.00 0.10 0.01 0.03 99.80 01:10:01 1 0.45 0.00 0.05 0.04 0.02 99.45 01:20:04 all 0.26 0.00 0.07 0.02 0.02 99.63 01:20:04 0 0.09 0.00 0.08 0.02 0.02 99.78 01:20:04 1 0.42 0.00 0.07 0.02 0.02 99.47 01:30:14 all 0.25 0.00 0.18 0.18 0.02 99.37 01:30:14 0 0.34 0.00 0.16 0.02 0.02 99.46 01:30:14 1 0.16 0.00 0.20 0.34 0.02 99.28 01:40:01 all 0.23 0.00 0.07 0.04 0.02 99.64 01:40:01 0 0.06 0.00 0.09 0.07 0.03 99.76 01:40:01 1 0.40 0.00 0.04 0.01 0.01 99.53 01:50:04 all 0.48 0.00 0.09 0.02 0.02 99.39 01:50:04 0 0.34 0.00 0.10 0.03 0.02 99.50 01:50:04 1 0.61 0.00 0.08 0.01 0.02 99.28 02:00:04 all 14.29 0.00 1.95 1.23 0.06 82.47 02:00:04 0 14.25 0.00 1.86 1.77 0.06 82.07 02:00:04 1 14.33 0.00 2.04 0.69 0.07 82.88 02:10:01 all 6.03 0.00 0.51 0.02 0.06 93.38 02:10:01 0 3.49 0.00 0.38 0.02 0.05 96.06 02:10:01 1 8.61 0.00 0.64 0.02 0.07 90.66 Average: all 2.48 0.00 0.36 0.18 0.03 96.95 Average: 0 2.12 0.00 0.34 0.23 0.03 97.28 Average: 1 2.84 0.00 0.37 0.13 0.03 96.62