---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42583 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 750 9451 4 5786 14895 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:e1:4f:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82562sec preferred_lft 82562sec inet6 fe80::f816:3eff:fee1:4f07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:53:ec:c9:67:b6 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42583) 08/29/26 _x86_64_ (4 CPU) 19:43:40 LINUX RESTART (4 CPU) 19:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:00 1.60 0.01 1.59 0.00 0.04 30.65 0.13 20:10:00 1.48 0.00 1.48 0.00 0.43 31.99 0.00 20:20:00 8.08 2.15 5.84 0.08 128.41 1810.08 8.17 20:30:00 27.78 0.48 24.59 2.71 17.29 3733.81 7621.16 20:40:00 27.31 0.06 24.45 2.79 1.85 5991.49 11321.69 Average: 13.25 0.54 11.59 1.12 29.61 2319.61 3790.23 19:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:00 13085200 15521192 457116 2.79 93024 2536588 986788 5.66 294628 2677688 92 20:10:00 13072024 15510228 467708 2.86 94672 2536948 987076 5.67 296280 2683832 340 20:20:00 10465508 13470312 2492068 15.22 122944 3036652 2928100 16.81 463884 5082172 8692 20:30:00 8658124 12722252 3231772 19.74 166476 3966460 3463064 19.88 755384 6508516 184300 20:40:00 7697524 13022612 2925352 17.87 196672 5132992 3078716 17.67 1043224 7111396 25044 Average: 10595676 14049319 1914803 11.69 134758 3441928 2288749 13.14 570680 4812721 43694 19:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:00 ens3 2.97 2.10 12.14 0.49 0.00 0.00 0.00 0.00 20:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:10:00 ens3 4.03 3.16 18.78 0.64 0.00 0.00 0.00 0.00 20:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:00 lo 0.29 0.29 0.02 0.02 0.00 0.00 0.00 0.00 20:20:00 ens3 47.64 42.23 535.78 8.05 0.00 0.00 0.00 0.00 20:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:00 lo 1340.60 1340.60 1277.88 1277.88 0.00 0.00 0.00 0.00 20:30:00 ens3 63.26 48.62 353.71 14.92 0.00 0.00 0.00 0.00 20:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:00 lo 1042.46 1042.46 993.22 993.22 0.00 0.00 0.00 0.00 20:40:00 ens3 41.83 34.74 254.17 11.26 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 476.71 476.71 454.23 454.23 0.00 0.00 0.00 0.00 Average: ens3 31.95 26.17 234.92 7.07 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42583) 08/29/26 _x86_64_ (4 CPU) 19:43:40 LINUX RESTART (4 CPU) 19:50:00 CPU %user %nice %system %iowait %steal %idle 20:00:00 all 0.09 0.00 0.03 0.02 0.00 99.86 20:00:00 0 0.14 0.00 0.02 0.01 0.00 99.83 20:00:00 1 0.11 0.00 0.03 0.02 0.00 99.84 20:00:00 2 0.04 0.00 0.04 0.04 0.00 99.88 20:00:00 3 0.08 0.00 0.03 0.00 0.00 99.89 20:10:00 all 0.05 0.00 0.03 0.01 0.00 99.90 20:10:00 0 0.01 0.00 0.02 0.00 0.00 99.97 20:10:00 1 0.09 0.00 0.05 0.04 0.00 99.82 20:10:00 2 0.03 0.00 0.04 0.01 0.01 99.92 20:10:00 3 0.08 0.00 0.03 0.00 0.00 99.89 20:20:00 all 11.75 0.00 0.46 0.05 0.00 87.73 20:20:00 0 12.73 0.00 0.41 0.04 0.00 86.81 20:20:00 1 11.23 0.00 0.35 0.01 0.00 88.41 20:20:00 2 12.57 0.00 0.56 0.09 0.01 86.77 20:20:00 3 10.45 0.00 0.54 0.07 0.01 88.94 20:30:00 all 60.72 0.00 2.58 0.06 0.02 36.61 20:30:00 0 58.94 0.00 2.21 0.05 0.02 38.78 20:30:00 1 61.21 0.00 2.66 0.08 0.02 36.03 20:30:00 2 62.38 0.00 2.56 0.09 0.02 34.96 20:30:00 3 60.33 0.00 2.91 0.04 0.02 36.69 20:40:00 all 58.84 0.00 2.56 0.08 0.03 38.49 20:40:00 0 58.21 0.00 2.61 0.07 0.02 39.09 20:40:00 1 60.39 0.00 2.65 0.11 0.04 36.81 20:40:00 2 58.18 0.00 2.50 0.06 0.03 39.23 20:40:00 3 58.59 0.00 2.46 0.08 0.03 38.84 Average: all 26.28 0.00 1.13 0.05 0.01 72.53 Average: 0 26.00 0.00 1.05 0.03 0.01 72.91 Average: 1 26.58 0.00 1.15 0.05 0.01 72.21 Average: 2 26.64 0.00 1.14 0.06 0.01 72.15 Average: 3 25.90 0.00 1.19 0.04 0.01 72.86