---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8472 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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: 5600.00 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 8.1G 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 773 5046 4 2425 7168 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:fc:37:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79959sec preferred_lft 79959sec inet6 fe80::f816:3eff:fefc:3761/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8472) 09/16/26 _x86_64_ (2 CPU) 00:39:18 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:53 1.54 0.03 1.50 0.02 1.19 25.73 200.08 01:00:22 22.96 2.98 18.17 1.81 234.73 2837.17 999.23 01:10:18 5.73 0.35 4.81 0.57 45.43 946.95 306.93 01:20:18 29.76 13.53 2.05 14.17 150.73 52.19 106455.34 01:30:48 1.64 0.00 1.63 0.01 0.00 126.92 0.22 01:40:08 1.36 0.00 1.36 0.00 0.00 18.00 0.00 01:50:53 1.29 0.00 1.29 0.00 0.00 16.93 0.00 02:00:18 1.67 0.00 1.65 0.02 0.00 25.37 427.92 02:10:48 1.33 0.00 1.32 0.00 0.19 57.08 0.13 02:20:08 1.36 0.00 1.35 0.01 0.00 21.37 0.11 Average: 6.75 1.67 3.43 1.65 42.02 398.55 10836.50 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:53 6281900 7533504 286896 3.53 30636 1427516 532040 5.79 446400 1188484 132 01:00:22 5232832 7416732 350120 4.31 86464 2258136 592164 6.45 567984 2029648 188848 01:10:18 5070064 7311388 455096 5.60 87880 2314232 867000 9.44 646088 2076852 168 01:20:18 5009544 7309236 448076 5.51 91252 2360880 875364 9.53 646972 2126236 16 01:30:48 4983268 7317956 438720 5.39 91384 2395244 894492 9.74 665260 2160664 200 01:40:08 4989092 7324616 432044 5.31 91504 2395944 894556 9.74 665480 2161360 72 01:50:53 4993156 7329540 427112 5.25 91668 2396628 894624 9.74 665328 2162208 148 02:00:18 4948296 7286272 470352 5.78 91792 2398076 920648 10.03 682796 2163644 76 02:10:48 4908764 7260496 495980 6.10 91944 2411488 916064 9.98 687036 2177216 180 02:20:08 4964384 7317980 438416 5.39 92080 2413184 882592 9.61 653428 2179048 128 Average: 5138130 7340772 424281 5.22 84660 2277133 826954 9.01 632677 2042536 18997 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:53 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:53 ens3 2.04 0.07 0.28 0.05 0.00 0.00 0.00 0.00 01:00:22 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 01:00:22 ens3 58.86 37.66 336.82 8.07 0.00 0.00 0.00 0.00 01:10:18 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:10:18 ens3 37.07 29.90 311.68 5.61 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 9.78 9.03 61.63 1.20 0.00 0.00 0.00 0.00 01:30:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:48 ens3 3.18 2.43 35.05 0.21 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 2.76 1.73 0.36 0.24 0.00 0.00 0.00 0.00 01:50:53 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:53 ens3 2.56 1.69 0.32 0.22 0.00 0.00 0.00 0.00 02:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 8.86 8.02 127.59 0.99 0.00 0.00 0.00 0.00 02:10:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:48 ens3 18.02 17.50 207.59 1.97 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 11.21 10.88 149.76 1.01 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.11 11.66 120.68 1.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8472) 09/16/26 _x86_64_ (2 CPU) 00:39:18 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:53 all 0.34 0.00 0.18 0.02 0.02 99.44 00:50:53 0 0.12 0.00 0.19 0.02 0.02 99.65 00:50:53 1 0.56 0.00 0.17 0.02 0.02 99.22 01:00:22 all 10.67 0.00 1.89 0.58 0.04 86.82 01:00:22 0 11.32 0.00 2.01 0.50 0.04 86.14 01:00:22 1 10.03 0.00 1.77 0.67 0.04 87.50 01:10:18 all 2.89 0.00 0.70 0.07 0.04 96.31 01:10:18 0 4.14 0.00 0.79 0.12 0.03 94.93 01:10:18 1 1.64 0.00 0.62 0.02 0.04 97.69 01:20:18 all 1.02 0.15 0.37 0.20 0.04 98.22 01:20:18 0 0.90 0.01 0.34 0.06 0.04 98.66 01:20:18 1 1.15 0.29 0.40 0.33 0.05 97.78 01:30:48 all 1.40 0.00 0.40 0.01 0.03 98.16 01:30:48 0 0.59 0.00 0.25 0.01 0.03 99.13 01:30:48 1 2.37 0.00 0.58 0.02 0.04 96.99 01:40:08 all 0.54 0.00 0.18 0.01 0.04 99.23 01:40:08 0 0.50 0.00 0.22 0.02 0.05 99.20 01:40:08 1 0.58 0.00 0.13 0.00 0.02 99.26 01:50:53 all 0.53 0.00 0.19 0.01 0.03 99.24 01:50:53 0 0.55 0.00 0.18 0.01 0.03 99.23 01:50:53 1 0.50 0.00 0.21 0.01 0.04 99.25 02:00:18 all 0.82 0.00 0.35 0.01 0.04 98.77 02:00:18 0 0.54 0.00 0.30 0.02 0.04 99.10 02:00:18 1 1.10 0.00 0.41 0.01 0.04 98.44 02:10:48 all 1.74 0.00 0.40 0.01 0.04 97.81 02:10:48 0 1.90 0.00 0.40 0.01 0.04 97.65 02:10:48 1 1.58 0.00 0.40 0.01 0.04 97.96 02:20:08 all 0.90 0.00 0.31 0.02 0.05 98.72 02:20:08 0 1.14 0.00 0.42 0.01 0.07 98.36 02:20:08 1 0.66 0.00 0.20 0.02 0.03 99.08 Average: all 2.05 0.01 0.49 0.09 0.04 97.32 Average: 0 2.12 0.00 0.50 0.07 0.04 97.27 Average: 1 1.97 0.03 0.48 0.11 0.04 97.37