---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3302 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 745 5132 4 2356 7196 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:5d:8c:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81149sec preferred_lft 81149sec inet6 fe80::f816:3eff:fe5d:8c7d/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-3302) 08/08/26 _x86_64_ (2 CPU) 00:36:46 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.24 0.03 1.21 0.00 1.24 15.20 2.31 01:00:14 1.52 0.03 1.46 0.03 2.15 17.98 644.20 01:10:01 2.30 0.72 1.56 0.03 96.20 76.66 80.96 01:20:01 1.40 0.01 1.37 0.02 1.07 16.40 23.13 01:30:04 1.56 0.00 1.53 0.03 0.00 18.61 435.13 01:40:01 14.75 1.58 12.24 0.93 113.62 2200.33 209.55 01:50:01 12.41 1.24 9.75 1.41 109.30 1346.89 419.23 02:00:14 1.68 0.00 1.66 0.02 0.00 77.18 0.24 Average: 4.59 0.45 3.84 0.31 40.04 468.89 227.96 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6290100 7536488 284700 3.50 30952 1421196 534152 5.82 446372 1183860 240 01:00:14 6278184 7525800 295412 3.63 31180 1422168 534216 5.82 447140 1184500 200 01:10:01 6248424 7525360 295208 3.63 31664 1450600 719832 7.84 464040 1203100 156 01:20:01 6264228 7542028 278556 3.43 31880 1451236 534420 5.82 458348 1203640 292 01:30:04 6244708 7523212 297320 3.66 32104 1451696 534548 5.82 459068 1204196 232 01:40:01 5411052 7352304 428292 5.27 72028 2040336 644708 7.02 607492 1816500 47596 01:50:01 5188040 7407856 359092 4.42 87760 2291568 651024 7.09 599264 2054628 240 02:00:14 5157060 7395744 371116 4.56 87884 2310288 654728 7.13 602672 2073488 1484 Average: 5885224 7476099 326212 4.01 50682 1729886 600954 6.55 510550 1490489 6305 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.19 0.10 0.16 0.06 0.00 0.00 0.00 0.00 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 0.37 0.06 0.07 0.02 0.00 0.00 0.00 0.00 01:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.56 0.24 3.36 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.47 0.12 0.18 0.10 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.58 0.25 0.12 0.61 0.00 0.00 0.00 0.00 01:40:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 39.07 25.90 279.78 6.08 0.00 0.00 0.00 0.00 01:50:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:01 ens3 59.63 46.44 45.83 8.64 0.00 0.00 0.00 0.00 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 40.31 38.64 8.71 5.29 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 17.81 14.02 42.04 2.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3302) 08/08/26 _x86_64_ (2 CPU) 00:36:46 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.34 0.00 0.09 0.03 0.02 99.52 00:50:01 0 0.17 0.00 0.11 0.04 0.03 99.66 00:50:01 1 0.50 0.00 0.07 0.03 0.02 99.38 01:00:14 all 0.27 0.00 0.18 0.09 0.02 99.44 01:00:14 0 0.12 0.00 0.18 0.00 0.03 99.68 01:00:14 1 0.42 0.00 0.18 0.17 0.02 99.20 01:10:01 all 0.38 0.00 0.11 0.04 0.11 99.36 01:10:01 0 0.36 0.00 0.12 0.06 0.17 99.29 01:10:01 1 0.40 0.00 0.10 0.02 0.05 99.42 01:20:01 all 0.27 0.00 0.08 0.01 0.02 99.63 01:20:01 0 0.06 0.00 0.08 0.02 0.03 99.81 01:20:01 1 0.48 0.00 0.07 0.00 0.02 99.44 01:30:04 all 0.28 0.00 0.16 0.01 0.02 99.53 01:30:04 0 0.09 0.00 0.15 0.01 0.02 99.72 01:30:04 1 0.46 0.00 0.17 0.01 0.02 99.34 01:40:01 all 6.33 0.00 0.97 0.36 0.03 92.31 01:40:01 0 1.12 0.00 0.69 0.29 0.04 97.86 01:40:01 1 11.54 0.00 1.25 0.42 0.03 86.76 01:50:01 all 9.34 0.00 1.28 0.18 0.06 89.14 01:50:01 0 9.95 0.00 1.36 0.15 0.06 88.47 01:50:01 1 8.73 0.00 1.20 0.21 0.07 89.80 02:00:14 all 5.98 0.00 0.60 0.01 0.06 93.35 02:00:14 0 7.11 0.00 0.60 0.01 0.06 92.22 02:00:14 1 4.83 0.00 0.59 0.02 0.06 94.49 Average: all 2.88 0.00 0.43 0.09 0.04 96.55 Average: 0 2.36 0.00 0.41 0.07 0.05 97.11 Average: 1 3.41 0.00 0.45 0.11 0.04 95.99