---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3506 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 nrip_save 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 11G 67G 14% / 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 656 10252 4 5080 14990 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:ea:0f:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83983sec preferred_lft 83983sec inet6 fe80::f816:3eff:feea:ffb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:5e:59:13:23:b5 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-3506) 08/08/26 _x86_64_ (4 CPU) 18:14:27 LINUX RESTART (4 CPU) 18:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:15 1.88 0.01 1.87 0.01 0.04 45.72 147.08 18:40:13 14.97 1.98 11.98 1.01 130.29 3062.25 2486.70 18:50:06 30.98 0.96 25.59 4.43 34.29 4541.99 5601.34 Average: 15.88 0.98 13.10 1.81 54.90 2541.65 2733.76 18:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:15 12782540 15497688 471956 2.88 105280 2795560 1004772 5.77 362848 2874768 36 18:40:13 10203640 13893936 2063636 12.60 146296 3649728 2368680 13.60 603028 5158016 34744 18:50:06 10561584 15404720 544928 3.33 180988 4685336 1105188 6.34 923928 4381424 232 Average: 11182588 14932115 1026840 6.27 144188 3710208 1492880 8.57 629935 4138069 11671 18:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:30:15 ens3 24.33 19.60 256.63 2.07 0.00 0.00 0.00 0.00 18:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:13 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 18:40:13 ens3 103.16 82.16 613.13 20.52 0.00 0.00 0.00 0.00 18:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:06 lo 1785.73 1785.73 1700.43 1700.43 0.00 0.00 0.00 0.00 18:50:06 ens3 98.08 76.07 461.52 58.27 0.00 0.00 0.00 0.00 18:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 591.35 591.35 562.70 562.70 0.00 0.00 0.00 0.00 Average: ens3 75.08 59.19 443.57 26.83 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-3506) 08/08/26 _x86_64_ (4 CPU) 18:14:27 LINUX RESTART (4 CPU) 18:20:15 CPU %user %nice %system %iowait %steal %idle 18:30:15 all 0.30 0.00 0.07 0.05 0.02 99.56 18:30:15 0 0.04 0.00 0.04 0.04 0.01 99.87 18:30:15 1 0.05 0.00 0.03 0.14 0.01 99.78 18:30:15 2 0.13 0.00 0.08 0.03 0.02 99.74 18:30:15 3 0.99 0.00 0.14 0.00 0.02 98.85 18:40:13 all 66.06 0.00 2.14 0.10 0.10 31.60 18:40:13 0 68.18 0.00 1.98 0.04 0.10 29.71 18:40:13 1 65.82 0.00 2.25 0.16 0.10 31.67 18:40:13 2 66.07 0.00 2.12 0.08 0.10 31.63 18:40:13 3 64.19 0.00 2.20 0.13 0.10 33.38 18:50:06 all 63.14 0.00 2.66 0.23 0.11 33.87 18:50:06 0 60.12 0.00 2.48 0.16 0.10 37.13 18:50:06 1 62.91 0.00 2.74 0.34 0.11 33.91 18:50:06 2 65.04 0.00 2.80 0.17 0.11 31.88 18:50:06 3 64.49 0.00 2.61 0.24 0.10 32.56 Average: all 43.05 0.00 1.62 0.13 0.07 55.13 Average: 0 42.69 0.00 1.50 0.08 0.07 55.67 Average: 1 42.80 0.00 1.67 0.21 0.07 55.25 Average: 2 43.64 0.00 1.66 0.09 0.08 54.53 Average: 3 43.08 0.00 1.64 0.12 0.07 55.08