---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2137 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 750 9336 4 5902 14896 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:5f:8b:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84039sec preferred_lft 84039sec inet6 fe80::f816:3eff:fe5f:8b92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:3f:f0:9a:9c:9f 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-2137) 08/04/26 _x86_64_ (4 CPU) 20:22:53 LINUX RESTART (4 CPU) 20:30:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:16 37.13 0.49 29.53 7.12 15.75 4475.49 3942.06 20:50:01 48.96 0.00 39.58 9.38 0.00 2879.28 14818.40 21:00:05 18.67 0.14 15.47 3.06 9.99 3816.11 2341.48 Average: 34.75 0.21 28.06 6.48 8.63 3728.04 6967.29 20:30:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:16 9163460 13487708 2464472 15.05 188052 4180592 3013188 17.30 764724 5980536 90500 20:50:01 8352588 13138428 2809616 17.16 222476 4562692 3038248 17.44 881300 6620696 105892 21:00:05 9690064 15368184 576432 3.52 245392 5392424 1091460 6.26 1216752 4881496 180 Average: 9068704 13998107 1950173 11.91 218640 4711903 2380965 13.67 954259 5827576 65524 20:30:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:16 lo 2465.64 2465.64 2351.37 2351.37 0.00 0.00 0.00 0.00 20:40:16 ens3 103.31 77.29 335.80 22.18 0.00 0.00 0.00 0.00 20:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5368.07 5368.07 5119.14 5119.14 0.00 0.00 0.00 0.00 20:50:01 ens3 75.28 57.27 22.13 19.22 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 1075.88 1075.88 1003.50 1003.50 0.00 0.00 0.00 0.00 21:00:05 ens3 108.65 111.02 149.85 208.89 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2946.28 2946.28 2802.05 2802.05 0.00 0.00 0.00 0.00 Average: ens3 95.93 82.16 169.79 84.57 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-2137) 08/04/26 _x86_64_ (4 CPU) 20:22:53 LINUX RESTART (4 CPU) 20:30:24 CPU %user %nice %system %iowait %steal %idle 20:40:16 all 64.89 0.00 3.20 0.07 0.10 31.74 20:40:16 0 62.50 0.00 3.42 0.08 0.10 33.89 20:40:16 1 64.89 0.00 2.74 0.07 0.10 32.21 20:40:16 2 64.64 0.00 3.02 0.07 0.10 32.16 20:40:16 3 67.53 0.00 3.61 0.06 0.10 28.71 20:50:01 all 62.85 0.00 4.13 0.14 0.11 32.77 20:50:01 0 62.72 0.00 4.35 0.11 0.11 32.71 20:50:01 1 62.31 0.00 3.67 0.17 0.11 33.74 20:50:01 2 63.08 0.00 3.77 0.19 0.11 32.85 20:50:01 3 63.29 0.00 4.73 0.09 0.11 31.78 21:00:05 all 32.25 0.00 1.60 0.17 0.08 65.90 21:00:05 0 28.48 0.00 1.47 0.04 0.08 69.93 21:00:05 1 35.70 0.00 1.79 0.04 0.08 62.39 21:00:05 2 25.35 0.00 1.43 0.49 0.08 72.65 21:00:05 3 39.49 0.00 1.71 0.09 0.09 58.62 Average: all 53.13 0.00 2.96 0.13 0.10 43.69 Average: 0 51.01 0.00 3.06 0.08 0.10 45.76 Average: 1 54.12 0.00 2.72 0.09 0.10 42.97 Average: 2 50.78 0.00 2.73 0.25 0.10 46.14 Average: 3 56.61 0.00 3.33 0.08 0.10 39.87