---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32741 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 760 5065 4 2417 7181 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:f9:07:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78697sec preferred_lft 78697sec inet6 fe80::f816:3eff:fef9:7f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32741) 07/04/26 _x86_64_ (2 CPU) 00:41:06 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:22 1.57 0.01 1.53 0.02 0.05 18.44 422.72 01:10:42 1.37 0.00 1.35 0.02 0.00 15.30 0.95 01:20:01 1.99 0.28 1.70 0.02 34.39 80.69 0.50 01:30:01 1.52 0.00 1.51 0.02 0.00 18.52 870.25 01:40:01 1.35 0.00 1.35 0.00 0.00 15.79 0.00 01:50:01 23.12 3.01 17.81 2.30 228.01 3496.63 834.75 02:00:01 1.41 0.00 1.39 0.02 0.00 23.87 0.32 02:10:01 15.56 13.53 1.97 0.06 150.68 47.47 159.20 02:20:01 1.43 0.00 1.43 0.00 0.00 130.31 0.00 02:30:02 15.05 0.00 1.52 13.52 0.15 29.50 106538.79 02:40:03 1.53 0.00 1.52 0.02 0.00 33.19 0.27 Average: 5.99 1.53 3.00 1.46 37.33 354.64 9911.20 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:22 6280604 7532140 287916 3.54 30792 1426564 524092 5.71 447232 1187936 176 01:10:42 6280132 7532216 287836 3.54 31004 1426892 524156 5.71 447472 1188476 124 01:20:01 6241608 7521104 298520 3.67 31352 1453596 524292 5.71 457272 1206452 240 01:30:01 6235840 7515888 303668 3.73 31552 1453924 524892 5.72 457936 1206980 188 01:40:01 6246004 7526680 292868 3.60 31720 1454376 524984 5.72 458364 1207472 192 01:50:01 5176472 7382380 384412 4.73 86984 2279224 627020 6.83 596404 2042008 396 02:00:01 5163576 7371340 395444 4.86 87112 2280944 635484 6.92 596092 2043872 124 02:10:01 5077888 7342784 415168 5.11 90524 2326520 655220 7.14 616916 2092252 240 02:20:01 5033700 7333416 424344 5.22 90656 2361028 671824 7.32 632304 2126892 252 02:30:02 5043040 7346340 411180 5.06 90828 2364416 644948 7.02 605532 2130240 552 02:40:03 4995364 7303092 454400 5.59 91004 2368564 678880 7.39 639628 2134616 252 Average: 5615839 7427944 359614 4.42 63048 1926913 594163 6.47 541377 1687927 249 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:22 ens3 0.61 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:42 ens3 0.80 0.07 3.54 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.34 0.61 4.12 0.14 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 0.45 0.19 0.08 0.53 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 0.57 0.14 0.18 0.10 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 82.23 57.87 429.71 12.68 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.66 12.04 139.93 1.10 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 5.92 5.22 33.14 0.65 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 5.55 4.08 45.60 0.31 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 14.43 13.75 140.38 1.54 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 23.20 22.19 224.75 2.31 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 13.51 10.56 92.85 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32741) 07/04/26 _x86_64_ (2 CPU) 00:41:06 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:22 all 0.24 0.00 0.15 0.01 0.04 99.56 01:00:22 0 0.25 0.00 0.15 0.00 0.03 99.56 01:00:22 1 0.24 0.00 0.15 0.01 0.04 99.56 01:10:42 all 0.26 0.00 0.07 0.01 0.04 99.63 01:10:42 0 0.06 0.00 0.10 0.01 0.04 99.79 01:10:42 1 0.46 0.00 0.04 0.01 0.03 99.46 01:20:01 all 0.38 0.00 0.11 0.02 0.04 99.46 01:20:01 0 0.46 0.00 0.13 0.02 0.04 99.36 01:20:01 1 0.30 0.00 0.09 0.02 0.04 99.56 01:30:01 all 0.19 0.00 0.17 0.01 0.03 99.60 01:30:01 0 0.14 0.00 0.16 0.01 0.03 99.66 01:30:01 1 0.23 0.00 0.17 0.02 0.04 99.54 01:40:01 all 0.24 0.00 0.06 0.01 0.03 99.65 01:40:01 0 0.06 0.00 0.07 0.01 0.04 99.82 01:40:01 1 0.43 0.00 0.05 0.01 0.03 99.49 01:50:01 all 12.06 0.00 1.80 0.50 0.08 85.56 01:50:01 0 12.49 0.00 1.84 0.54 0.07 85.07 01:50:01 1 11.63 0.00 1.76 0.47 0.09 86.05 02:00:01 all 0.87 0.00 0.30 0.01 0.08 98.75 02:00:01 0 0.94 0.00 0.36 0.00 0.10 98.59 02:00:01 1 0.79 0.00 0.23 0.01 0.06 98.91 02:10:01 all 6.39 0.18 0.59 0.13 0.08 92.63 02:10:01 0 5.76 0.01 0.46 0.01 0.08 93.69 02:10:01 1 7.02 0.35 0.72 0.25 0.08 91.57 02:20:01 all 6.86 0.00 0.59 0.02 0.08 92.45 02:20:01 0 3.61 0.00 0.34 0.02 0.08 95.96 02:20:01 1 10.22 0.00 0.85 0.02 0.08 88.83 02:30:02 all 1.34 0.00 0.33 0.03 0.06 98.23 02:30:02 0 1.38 0.00 0.37 0.02 0.07 98.15 02:30:02 1 1.30 0.00 0.29 0.04 0.06 98.31 02:40:03 all 1.73 0.00 0.35 0.01 0.06 97.84 02:40:03 0 2.22 0.00 0.47 0.02 0.08 97.22 02:40:03 1 1.24 0.00 0.24 0.00 0.05 98.46 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.75 0.02 0.41 0.07 0.06 96.70 Average: 0 2.48 0.00 0.40 0.06 0.06 97.00 Average: 1 3.03 0.03 0.41 0.08 0.05 96.39