---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41602 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 13G 65G 17% / 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 685 7942 4 7361 14960 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:ad:0c:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83795sec preferred_lft 83795sec inet6 fe80::f816:3eff:fead:cab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:95:37:5f:37:55 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-41602) 08/27/26 _x86_64_ (4 CPU) 15:54:16 LINUX RESTART (4 CPU) 16:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 31.51 2.98 25.40 3.14 165.55 4342.46 15244.06 16:20:04 30.56 0.02 27.42 3.12 0.72 2419.22 20874.37 16:30:25 10.61 0.02 9.73 0.85 0.45 3143.24 5753.65 Average: 24.00 0.97 20.68 2.35 53.76 3288.28 13857.27 16:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 9610180 13490604 2465104 15.06 148776 3840832 2825296 16.22 712732 5639152 30988 16:20:04 8498864 12801400 3150740 19.24 168916 4209876 3130564 17.97 829300 6591364 39904 16:30:25 4975052 10075580 5874248 35.88 174736 4972092 5524972 31.71 1059052 9856168 21048 Average: 7694699 12122528 3830031 23.39 164143 4340933 3826944 21.97 867028 7362228 30647 16:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1542.23 1542.23 1462.37 1462.37 0.00 0.00 0.00 0.00 16:10:01 ens3 109.72 86.46 1043.46 18.82 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:04 lo 1295.85 1295.85 1234.74 1234.74 0.00 0.00 0.00 0.00 16:20:04 ens3 30.40 23.82 20.47 10.43 0.00 0.00 0.00 0.00 16:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:25 lo 653.38 653.38 6930.34 6930.34 0.00 0.00 0.00 0.00 16:30:25 ens3 11.84 9.39 9.17 4.32 0.00 0.00 0.00 0.00 16:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1154.23 1154.23 3267.63 3267.63 0.00 0.00 0.00 0.00 Average: ens3 49.59 39.05 346.35 11.03 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-41602) 08/27/26 _x86_64_ (4 CPU) 15:54:16 LINUX RESTART (4 CPU) 16:00:18 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 66.87 0.00 2.85 0.37 0.04 29.88 16:10:01 0 68.06 0.00 3.06 0.58 0.03 28.26 16:10:01 1 66.62 0.00 2.94 0.22 0.04 30.17 16:10:01 2 67.87 0.00 2.60 0.19 0.04 29.30 16:10:01 3 64.92 0.00 2.78 0.49 0.04 31.77 16:20:04 all 61.92 0.00 2.54 0.09 0.03 35.42 16:20:04 0 61.30 0.00 2.61 0.09 0.03 35.96 16:20:04 1 62.68 0.00 2.44 0.08 0.04 34.76 16:20:04 2 63.06 0.00 2.71 0.09 0.03 34.11 16:20:04 3 60.63 0.00 2.41 0.09 0.03 36.84 16:30:25 all 34.25 0.00 1.35 0.06 0.02 64.31 16:30:25 0 37.40 0.00 1.45 0.04 0.03 61.08 16:30:25 1 34.64 0.00 1.60 0.07 0.03 63.67 16:30:25 2 35.04 0.00 1.31 0.11 0.02 63.51 16:30:25 3 29.92 0.00 1.04 0.03 0.02 68.99 Average: all 53.99 0.00 2.23 0.17 0.03 43.58 Average: 0 55.25 0.00 2.36 0.23 0.03 42.13 Average: 1 54.30 0.00 2.31 0.12 0.04 43.23 Average: 2 54.95 0.00 2.19 0.13 0.03 42.70 Average: 3 51.45 0.00 2.06 0.20 0.03 46.27