---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34159 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 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 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 8.0G 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 743 5219 4 2271 7198 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:8a:e3:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80408sec preferred_lft 80408sec inet6 fe80::f816:3eff:fe8a:e393/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34159) 08/11/26 _x86_64_ (2 CPU) 01:55:31 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:11 2.07 0.72 1.34 0.01 93.90 73.41 57.52 02:20:20 1.26 0.01 1.22 0.02 1.10 15.45 5.97 02:30:01 1.38 0.00 1.36 0.03 0.00 17.27 4.00 02:40:21 14.07 0.00 1.25 12.82 0.14 15.49 105521.02 02:50:23 1.40 0.00 1.40 0.00 0.00 16.90 0.00 03:00:01 18.33 1.64 15.71 0.98 118.88 2310.79 229.37 03:10:21 11.78 1.20 9.23 1.35 105.86 1237.21 553.03 03:20:01 1.19 0.00 1.19 0.00 0.00 14.97 0.00 03:30:02 1.33 0.00 1.31 0.02 0.00 17.11 0.23 Average: 5.89 0.40 3.75 1.74 35.63 408.61 12213.58 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:11 6234572 7509944 310732 3.82 31240 1449528 717800 7.82 471064 1202092 232 02:20:20 6265840 7542224 278512 3.42 31468 1450300 532132 5.80 465512 1202660 132 02:30:01 6249476 7526416 294216 3.62 31672 1450628 532268 5.80 465700 1203192 244 02:40:21 6247976 7525452 295136 3.63 31840 1450996 533068 5.81 467236 1203696 188 02:50:23 6256040 7534156 286432 3.52 32008 1451456 533068 5.81 467412 1204200 132 03:00:01 5436432 7374624 406248 5.00 71780 2037796 638164 6.95 601548 1813648 46256 03:10:21 5207892 7413516 354008 4.35 87120 2278544 626456 6.82 593976 2040896 132 03:20:01 5208388 7414492 353024 4.34 87244 2278900 626476 6.82 593992 2041376 168 03:30:02 5204396 7411012 356500 4.38 87412 2279252 626476 6.82 593956 2041888 168 Average: 5812335 7472426 326090 4.01 54643 1791933 596212 6.49 524488 1550405 5295 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:11 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 1.28 0.53 3.28 0.07 0.00 0.00 0.00 0.00 02:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:20 ens3 0.55 0.08 0.82 0.05 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 0.65 0.05 1.07 0.02 0.00 0.00 0.00 0.00 02:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 6.14 3.77 4.02 3.34 0.00 0.00 0.00 0.00 02:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:23 ens3 0.61 0.13 0.19 0.10 0.00 0.00 0.00 0.00 03:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:01 ens3 46.54 27.22 288.85 10.48 0.00 0.00 0.00 0.00 03:10:21 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:21 ens3 30.31 20.63 38.76 5.49 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 2.85 0.30 0.45 0.12 0.00 0.00 0.00 0.00 03:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:02 ens3 0.75 0.22 0.16 0.08 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 9.90 5.86 36.51 2.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34159) 08/11/26 _x86_64_ (2 CPU) 01:55:31 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:11 all 0.35 0.00 0.11 0.03 0.04 99.47 02:10:11 0 0.35 0.00 0.10 0.03 0.04 99.48 02:10:11 1 0.35 0.00 0.12 0.02 0.04 99.46 02:20:20 all 0.25 0.00 0.08 0.01 0.04 99.62 02:20:20 0 0.27 0.00 0.09 0.00 0.04 99.60 02:20:20 1 0.24 0.00 0.06 0.02 0.03 99.64 02:30:01 all 0.28 0.00 0.16 0.02 0.04 99.51 02:30:01 0 0.51 0.00 0.14 0.00 0.02 99.33 02:30:01 1 0.06 0.00 0.18 0.03 0.05 99.68 02:40:21 all 0.40 0.00 0.10 0.03 0.04 99.43 02:40:21 0 0.34 0.00 0.13 0.04 0.04 99.45 02:40:21 1 0.46 0.00 0.08 0.02 0.04 99.40 02:50:23 all 0.20 0.00 0.09 0.01 0.04 99.66 02:50:23 0 0.05 0.00 0.10 0.00 0.04 99.81 02:50:23 1 0.36 0.00 0.07 0.02 0.04 99.51 03:00:01 all 6.36 0.00 1.07 0.35 0.05 92.16 03:00:01 0 3.13 0.00 0.81 0.19 0.06 95.82 03:00:01 1 9.59 0.00 1.34 0.52 0.05 88.50 03:10:21 all 5.63 0.00 0.92 0.20 0.08 93.18 03:10:21 0 6.72 0.00 1.04 0.23 0.09 91.92 03:10:21 1 4.53 0.00 0.80 0.16 0.07 94.43 03:20:01 all 0.36 0.00 0.13 0.01 0.08 99.43 03:20:01 0 0.38 0.00 0.13 0.01 0.09 99.39 03:20:01 1 0.33 0.00 0.13 0.01 0.07 99.46 03:30:02 all 0.41 0.00 0.22 0.01 0.08 99.29 03:30:02 0 0.53 0.00 0.17 0.01 0.04 99.25 03:30:02 1 0.28 0.00 0.27 0.00 0.11 99.33 Average: all 1.58 0.00 0.32 0.07 0.05 97.98 Average: 0 1.38 0.00 0.30 0.06 0.05 98.22 Average: 1 1.78 0.00 0.34 0.09 0.06 97.74