---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15667 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 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 754 5290 4 2186 7187 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:d8:c4:fe 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 81251sec preferred_lft 81251sec inet6 fe80::f816:3eff:fed8:c4fe/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-15667) 05/16/26 _x86_64_ (2 CPU) 01:47:44 LINUX RESTART (2 CPU) 01:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.44 0.03 1.40 0.01 1.27 17.63 444.85 02:10:13 1.27 0.01 1.26 0.01 0.05 15.43 0.82 02:20:13 1.20 0.00 1.18 0.02 0.01 14.88 1.09 02:30:01 1.35 0.00 1.32 0.03 0.00 16.99 446.43 02:40:13 14.12 0.25 1.56 12.31 30.48 73.91 106950.82 02:50:07 1.76 0.41 1.33 0.02 17.05 48.17 1.16 03:00:01 23.73 2.65 18.81 2.27 214.56 3181.20 690.31 03:10:13 1.23 0.00 1.23 0.00 0.00 21.16 0.05 Average: 5.77 0.41 3.49 1.86 32.70 419.65 13842.96 01:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6300940 7547496 272492 3.35 30540 1421892 530584 5.78 438304 1183192 124 02:10:13 6300940 7548040 271944 3.34 30752 1422232 530740 5.78 438432 1183736 188 02:20:13 6284392 7532032 287964 3.54 30968 1422552 530884 5.78 440544 1184272 216 02:30:01 6284204 7532396 287516 3.54 31180 1422884 530948 5.78 440648 1184824 160 02:40:13 6246120 7521224 298120 3.67 31576 1449036 734004 7.99 455280 1202452 168 02:50:07 6230020 7520524 298520 3.67 31900 1464040 549524 5.99 478136 1215948 256 03:00:01 5280040 7399440 371320 4.57 85180 2198376 643028 7.00 600576 1959528 532 03:10:13 5225292 7346716 424140 5.22 85308 2200272 672912 7.33 622216 1961552 480 Average: 6018994 7493484 314002 3.86 44676 1625160 590328 6.43 489267 1384438 266 01:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.24 0.08 0.12 0.04 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 0.42 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.59 0.04 5.71 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.38 0.07 0.22 0.04 0.00 0.00 0.00 0.00 02:40:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 0.64 0.26 3.13 0.07 0.00 0.00 0.00 0.00 02:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 10.70 4.96 20.27 3.17 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 58.80 40.97 298.54 8.96 0.00 0.00 0.00 0.00 03:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:13 ens3 15.58 12.40 105.36 1.10 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 10.99 7.32 54.03 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15667) 05/16/26 _x86_64_ (2 CPU) 01:47:44 LINUX RESTART (2 CPU) 01:50:13 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.01 0.03 99.50 02:00:01 0 0.30 0.00 0.17 0.01 0.03 99.50 02:00:01 1 0.30 0.00 0.16 0.02 0.02 99.50 02:10:13 all 0.26 0.00 0.07 0.01 0.03 99.63 02:10:13 0 0.10 0.00 0.08 0.00 0.03 99.79 02:10:13 1 0.42 0.00 0.06 0.02 0.02 99.48 02:20:13 all 0.29 0.00 0.07 3.59 0.03 96.02 02:20:13 0 0.05 0.00 0.09 0.01 0.03 99.82 02:20:13 1 0.53 0.00 0.06 7.17 0.02 92.22 02:30:01 all 0.25 0.00 0.17 0.01 0.02 99.54 02:30:01 0 0.21 0.00 0.16 0.02 0.02 99.59 02:30:01 1 0.30 0.00 0.17 0.01 0.02 99.50 02:40:13 all 0.35 0.00 0.11 0.06 0.02 99.45 02:40:13 0 0.61 0.00 0.12 0.06 0.02 99.20 02:40:13 1 0.10 0.00 0.11 0.06 0.03 99.71 02:50:07 all 0.51 0.00 0.09 0.02 0.03 99.35 02:50:07 0 0.31 0.00 0.12 0.01 0.03 99.53 02:50:07 1 0.71 0.00 0.07 0.03 0.02 99.17 03:00:01 all 11.14 0.00 1.87 3.20 0.07 83.72 03:00:01 0 7.40 0.00 1.49 2.58 0.07 88.45 03:00:01 1 14.88 0.00 2.24 3.83 0.06 78.99 03:10:13 all 0.86 0.00 0.21 0.02 0.06 98.84 03:10:13 0 1.03 0.00 0.28 0.00 0.07 98.62 03:10:13 1 0.70 0.00 0.14 0.05 0.04 99.07 Average: all 1.73 0.00 0.34 0.86 0.03 97.03 Average: 0 1.24 0.00 0.31 0.33 0.04 98.08 Average: 1 2.22 0.00 0.37 1.39 0.03 95.98