---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-62049 6.8.0-146-generic #146-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 3 16:12:30 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 8.3G 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 851 4918 4 2472 7090 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:e1:4c:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81403sec preferred_lft 81403sec inet6 fe80::f816:3eff:fee1:4cbf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-62049) 10/05/26 _x86_64_ (2 CPU) 00:38:55 LINUX RESTART (2 CPU) 00:40:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:11 2.10 0.35 1.75 0.01 45.00 109.52 0.18 01:00:01 15.90 1.62 13.30 0.98 113.36 2343.57 1483.33 01:10:11 11.98 1.20 9.40 1.39 106.65 1354.93 754.14 01:20:11 1.39 0.00 1.36 0.02 0.01 23.85 0.23 01:30:21 15.86 0.00 1.58 14.27 0.14 21.90 103932.18 01:40:01 1.54 0.00 1.52 0.02 0.00 146.12 416.79 01:50:21 1.39 0.00 1.37 0.01 0.19 56.49 0.48 02:00:01 2.02 0.04 1.64 0.33 1.14 51.06 1690.26 Average: 6.56 0.40 3.99 2.17 33.34 512.80 13798.25 00:40:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:11 6096448 7438904 374616 4.61 59752 1483420 857016 9.33 546864 1252396 260 01:00:01 5274504 7282564 490672 6.03 98544 2075888 976324 10.63 683424 1866928 43768 01:10:11 4933496 7232960 526840 6.48 113664 2340672 1037684 11.30 753532 2118060 460 01:20:11 4963124 7265080 494700 6.08 113860 2342980 1012984 11.03 720724 2120428 736 01:30:21 4977224 7279920 479672 5.90 114024 2343544 1013000 11.03 721020 2121136 204 01:40:01 4896552 7236500 522820 6.43 114172 2380376 1018392 11.09 725892 2158116 240 01:50:21 4888592 7241324 517832 6.37 114324 2392844 1020796 11.12 727544 2170728 276 02:00:01 5117220 7336492 431784 5.31 114604 2267344 931276 10.14 675892 2045200 72756 Average: 5143395 7289218 479867 5.90 105368 2203384 983434 10.71 694362 1981624 14838 00:40:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:11 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:50:11 ens3 2.66 0.44 3.75 0.09 0.00 0.00 0.00 0.00 01:00:01 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 01:00:01 ens3 51.31 34.99 288.24 6.90 0.00 0.00 0.00 0.00 01:10:11 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 01:10:11 ens3 46.96 35.27 342.48 6.79 0.00 0.00 0.00 0.00 01:20:11 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:20:11 ens3 11.01 8.14 57.37 1.26 0.00 0.00 0.00 0.00 01:30:21 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:30:21 ens3 1.90 1.06 4.72 0.15 0.00 0.00 0.00 0.00 01:40:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 13.06 12.13 191.56 1.50 0.00 0.00 0.00 0.00 01:50:21 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:50:21 ens3 17.37 16.93 290.95 1.72 0.00 0.00 0.00 0.00 02:00:01 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:00:01 ens3 16.28 13.27 74.74 11.58 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.09 15.31 157.60 3.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-62049) 10/05/26 _x86_64_ (2 CPU) 00:38:55 LINUX RESTART (2 CPU) 00:40:21 CPU %user %nice %system %iowait %steal %idle 00:50:11 all 0.46 0.00 0.13 0.03 0.00 99.38 00:50:11 0 0.37 0.00 0.17 0.03 0.01 99.43 00:50:11 1 0.56 0.00 0.09 0.03 0.00 99.33 01:00:01 all 6.27 0.00 1.12 0.41 0.01 92.18 01:00:01 0 7.76 0.00 1.22 0.31 0.02 90.70 01:00:01 1 4.78 0.00 1.02 0.52 0.01 93.66 01:10:11 all 6.48 0.00 1.22 0.21 0.02 92.07 01:10:11 0 8.22 0.00 1.22 0.33 0.02 90.21 01:10:11 1 4.73 0.00 1.21 0.10 0.02 93.93 01:20:11 all 0.87 0.00 0.24 0.01 0.01 98.88 01:20:11 0 0.56 0.00 0.17 0.01 0.00 99.26 01:20:11 1 1.18 0.00 0.30 0.01 0.01 98.50 01:30:21 all 0.81 0.00 0.30 0.04 0.02 98.83 01:30:21 0 0.81 0.00 0.29 0.02 0.02 98.86 01:30:21 1 0.80 0.00 0.30 0.07 0.03 98.80 01:40:01 all 1.11 0.00 0.29 0.01 0.01 98.58 01:40:01 0 0.95 0.00 0.33 0.01 0.01 98.70 01:40:01 1 1.26 0.00 0.25 0.02 0.01 98.47 01:50:21 all 1.54 0.00 0.37 0.01 0.01 98.07 01:50:21 0 2.21 0.00 0.54 0.02 0.01 97.22 01:50:21 1 0.87 0.00 0.19 0.00 0.00 98.93 02:00:01 all 1.81 0.00 0.45 0.02 0.01 97.71 02:00:01 0 2.17 0.00 0.54 0.03 0.01 97.25 02:00:01 1 1.45 0.00 0.36 0.01 0.01 98.17 Average: all 2.44 0.00 0.52 0.10 0.01 96.93 Average: 0 2.92 0.00 0.57 0.10 0.01 96.41 Average: 1 1.97 0.00 0.47 0.10 0.01 97.46