---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66099 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: 5599.94 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 760 5146 4 2331 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:ed:c2:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81071sec preferred_lft 81071sec inet6 fe80::f816:3eff:feed:c297/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66099) 04/03/26 _x86_64_ (2 CPU) 00:43:23 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.96 0.33 1.60 0.03 40.74 74.74 442.98 01:10:12 1.39 0.00 1.38 0.02 0.00 15.82 1.18 01:20:11 1.24 0.00 1.22 0.02 0.01 14.52 1.09 01:30:12 1.45 0.00 1.42 0.03 0.00 17.22 1.47 01:40:12 1.26 0.00 1.25 0.02 0.00 15.10 1.20 01:50:02 22.03 3.09 16.67 2.27 231.66 3139.16 925.67 02:00:03 16.05 13.52 2.45 0.08 150.92 101.30 124.47 02:10:12 14.83 0.00 1.56 13.27 0.49 106.57 105121.98 Average: 7.51 2.11 3.41 1.99 52.43 428.94 13517.28 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6242228 7521820 297908 3.66 30896 1453916 523928 5.71 462488 1204016 232 01:10:12 6257404 7537536 282224 3.47 31104 1454244 524064 5.71 463492 1204552 136 01:20:11 6257152 7537808 281948 3.47 31296 1454572 524256 5.71 463904 1205072 156 01:30:12 6260452 7541664 278052 3.42 31500 1454904 524288 5.71 463904 1205608 124 01:40:12 6260228 7542100 277612 3.41 31700 1455356 525824 5.73 465820 1206132 180 01:50:02 5347668 7460072 311616 3.83 85192 2191224 557508 6.07 556116 1949936 2424 02:00:03 5199724 7380480 382072 4.70 88596 2248088 661456 7.20 609172 2009568 704 02:10:12 5182964 7390704 371892 4.57 88748 2274784 649356 7.07 613748 2036296 584 Average: 5875978 7489023 310416 3.82 52379 1748386 561335 6.11 512330 1502648 568 00:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.93 0.29 3.15 0.05 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.91 0.19 0.24 0.13 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.58 0.17 0.17 0.10 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.67 0.30 0.19 0.82 0.00 0.00 0.00 0.00 01:50:02 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:02 ens3 61.60 41.50 302.81 11.22 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 41.54 34.65 8.65 4.31 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 46.57 45.38 10.15 6.31 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 19.10 15.32 40.05 2.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66099) 04/03/26 _x86_64_ (2 CPU) 00:43:23 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.36 0.00 0.21 0.03 0.04 99.36 01:00:01 0 0.36 0.00 0.16 0.01 0.03 99.44 01:00:01 1 0.36 0.00 0.25 0.05 0.05 99.29 01:10:12 all 0.25 0.00 0.08 0.01 0.04 99.63 01:10:12 0 0.26 0.00 0.07 0.01 0.04 99.61 01:10:12 1 0.23 0.00 0.08 0.01 0.04 99.64 01:20:11 all 0.28 0.00 0.07 0.02 0.05 99.59 01:20:11 0 0.05 0.00 0.09 0.02 0.06 99.79 01:20:11 1 0.51 0.00 0.05 0.02 0.04 99.38 01:30:12 all 0.27 0.00 0.15 0.01 0.04 99.53 01:30:12 0 0.47 0.00 0.13 0.01 0.03 99.36 01:30:12 1 0.07 0.00 0.16 0.02 0.05 99.70 01:40:12 all 0.23 0.00 0.07 0.01 0.04 99.66 01:40:12 0 0.28 0.00 0.06 0.01 0.03 99.62 01:40:12 1 0.18 0.00 0.08 0.02 0.04 99.69 01:50:02 all 10.70 0.00 1.60 0.53 0.05 87.12 01:50:02 0 13.89 0.00 1.83 0.48 0.05 83.74 01:50:02 1 7.51 0.00 1.36 0.57 0.06 90.50 02:00:03 all 6.07 0.17 0.61 0.14 0.08 92.93 02:00:03 0 5.24 0.02 0.55 0.05 0.08 94.07 02:00:03 1 6.91 0.32 0.68 0.24 0.08 91.78 02:10:12 all 8.41 0.00 0.53 0.03 0.08 90.94 02:10:12 0 7.81 0.00 0.52 0.02 0.08 91.57 02:10:12 1 9.02 0.00 0.55 0.04 0.08 90.32 Average: all 3.31 0.02 0.41 0.10 0.05 96.11 Average: 0 3.52 0.00 0.42 0.08 0.05 95.93 Average: 1 3.09 0.04 0.40 0.12 0.05 96.30