---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38510 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 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 742 9533 4 5713 14903 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:29:eb:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84333sec preferred_lft 84333sec inet6 fe80::f816:3eff:fe29:eb16/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:31:a8:46:5b:89 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-38510) 08/18/26 _x86_64_ (4 CPU) 06:26:26 LINUX RESTART (4 CPU) 06:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 22.34 2.71 18.16 1.47 149.40 4627.87 3333.31 06:50:05 32.72 0.06 29.13 3.53 1.34 3143.36 10901.73 07:00:11 17.97 0.17 15.45 2.36 12.82 5460.25 2544.39 Average: 24.35 0.96 20.93 2.46 53.75 4410.30 5605.93 06:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9669448 13450716 2506016 15.31 154320 3713684 2851548 16.37 696012 5587412 19936 06:50:05 8846728 13189724 2762560 16.87 181612 4202448 3092024 17.75 849348 6193004 20272 07:00:11 9842272 15333316 613480 3.75 201792 5264048 1127636 6.47 925120 5032344 9320 Average: 9452816 13991252 1960685 11.98 179241 4393393 2357069 13.53 823493 5604253 16509 06:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 619.07 619.07 589.90 589.90 0.00 0.00 0.00 0.00 06:40:01 ens3 115.89 87.76 887.89 17.65 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 06:50:05 lo 1661.66 1661.66 1583.95 1583.95 0.00 0.00 0.00 0.00 06:50:05 ens3 51.49 38.92 137.88 11.59 0.00 0.00 0.00 0.00 06:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:11 lo 11.60 11.60 1.20 1.20 0.00 0.00 0.00 0.00 07:00:11 ens3 81.07 75.15 126.17 226.69 0.00 0.00 0.00 0.00 07:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 764.16 764.16 725.04 725.04 0.00 0.00 0.00 0.00 Average: ens3 82.57 67.14 379.84 86.01 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-38510) 08/18/26 _x86_64_ (4 CPU) 06:26:26 LINUX RESTART (4 CPU) 06:30:11 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 52.27 0.00 1.81 0.18 0.09 45.66 06:40:01 0 52.21 0.00 1.78 0.06 0.09 45.86 06:40:01 1 52.42 0.00 1.71 0.11 0.09 45.67 06:40:01 2 51.38 0.00 1.96 0.17 0.09 46.39 06:40:01 3 53.07 0.00 1.77 0.36 0.09 44.72 06:50:05 all 56.89 0.00 2.49 0.21 0.10 40.32 06:50:05 0 57.86 0.00 2.31 0.15 0.10 39.59 06:50:05 1 56.65 0.00 2.69 0.35 0.11 40.19 06:50:05 2 56.30 0.00 2.48 0.17 0.10 40.95 06:50:05 3 56.74 0.00 2.47 0.14 0.10 40.55 07:00:11 all 41.42 0.00 1.43 0.14 0.08 56.94 07:00:11 0 33.81 0.00 1.26 0.25 0.07 64.60 07:00:11 1 45.26 0.00 1.44 0.18 0.09 53.03 07:00:11 2 42.73 0.00 1.74 0.09 0.08 55.36 07:00:11 3 43.88 0.00 1.27 0.03 0.08 54.74 Average: all 50.16 0.00 1.91 0.17 0.09 47.67 Average: 0 47.91 0.00 1.78 0.15 0.09 50.07 Average: 1 51.42 0.00 1.95 0.22 0.10 46.32 Average: 2 50.11 0.00 2.06 0.15 0.09 47.59 Average: 3 51.20 0.00 1.84 0.18 0.09 46.70