---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3107 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 66G 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 717 9343 4 5928 14928 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:d7:c7:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83941sec preferred_lft 83941sec inet6 fe80::f816:3eff:fed7:c793/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:32:86:7b:80:6f 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3107) 09/08/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 22.81 3.55 17.91 1.34 202.67 5701.41 19972.23 06:50:02 29.37 0.12 26.17 3.08 5.48 2627.71 15261.80 07:00:01 20.77 0.06 18.37 2.34 1.66 5482.88 4022.93 Average: 24.32 1.24 20.82 2.25 69.94 4601.80 13094.33 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9967964 13688272 2268952 13.86 150032 3676736 2777680 15.94 625984 5379588 35356 06:50:02 8494464 12942408 3009120 18.38 180284 4321596 3213528 18.45 799600 6591128 288776 07:00:01 7230528 12685340 3261144 19.92 199792 5255072 3625004 20.81 1038632 7586876 26200 Average: 8564319 13105340 2846405 17.38 176703 4417801 3205404 18.40 821405 6519197 116777 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 334.93 334.93 318.77 318.77 0.00 0.00 0.00 0.00 06:40:01 ens3 123.02 94.12 1201.45 17.68 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:02 lo 1757.53 1757.53 1676.37 1676.37 0.00 0.00 0.00 0.00 06:50:02 ens3 45.34 36.28 214.30 12.69 0.00 0.00 0.00 0.00 06:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 391.02 391.02 371.70 371.70 0.00 0.00 0.00 0.00 07:00:01 ens3 33.22 27.05 107.97 10.74 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 828.88 828.88 789.96 789.96 0.00 0.00 0.00 0.00 Average: ens3 67.20 52.49 507.99 13.70 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3107) 09/08/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 31.54 0.00 1.51 0.18 0.02 66.75 06:40:01 0 31.99 0.00 1.34 0.14 0.02 66.51 06:40:01 1 29.43 0.00 1.35 0.26 0.02 68.94 06:40:01 2 31.54 0.00 1.58 0.17 0.02 66.69 06:40:01 3 33.21 0.00 1.76 0.14 0.02 64.87 06:50:02 all 60.30 0.00 2.81 0.08 0.04 36.77 06:50:02 0 58.20 0.00 2.92 0.10 0.04 38.75 06:50:02 1 59.87 0.00 2.63 0.11 0.04 37.36 06:50:02 2 59.94 0.00 2.80 0.05 0.04 37.17 06:50:02 3 63.21 0.00 2.89 0.07 0.05 33.79 07:00:01 all 54.15 0.00 2.16 0.10 0.03 43.55 07:00:01 0 49.92 0.00 1.92 0.06 0.03 48.07 07:00:01 1 54.73 0.00 1.99 0.11 0.03 43.14 07:00:01 2 54.31 0.00 2.50 0.09 0.03 43.07 07:00:01 3 57.66 0.00 2.24 0.13 0.04 39.93 Average: all 48.67 0.00 2.16 0.12 0.03 49.02 Average: 0 46.71 0.00 2.06 0.10 0.03 51.10 Average: 1 48.01 0.00 1.99 0.16 0.03 49.81 Average: 2 48.60 0.00 2.29 0.10 0.03 48.97 Average: 3 51.36 0.00 2.30 0.11 0.04 46.20