---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37509 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: 5599.94 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 66G 16% / 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 666 8781 4 6541 14979 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:bb:ad:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84159sec preferred_lft 84159sec inet6 fe80::f816:3eff:febb:ad42/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:9f:3d:28:f4:a1 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-37509) 08/14/26 _x86_64_ (4 CPU) 05:23:15 LINUX RESTART (4 CPU) 05:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 26.37 0.39 22.88 3.10 19.18 3205.99 4564.74 05:50:05 31.87 0.02 28.63 3.23 0.52 3088.01 10110.03 06:00:30 13.28 0.19 11.13 1.96 12.97 6949.43 1707.20 Average: 23.71 0.20 20.76 2.75 10.87 4449.06 5422.46 05:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9659624 13385016 2572628 15.71 141856 3693144 2615428 15.01 694916 5611300 27240 05:50:05 7923928 12693508 3259088 19.91 161152 4669200 3153464 18.10 984288 7008788 456136 06:00:30 8971680 15314708 632768 3.86 182256 6169712 1136472 6.52 1601552 5258092 10308 Average: 8851744 13797744 2154828 13.16 161755 4844019 2301788 13.21 1093585 5959393 164561 05:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1543.31 1543.31 1464.58 1464.58 0.00 0.00 0.00 0.00 05:40:01 ens3 64.51 49.87 73.22 15.54 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:05 lo 1486.08 1486.08 1415.25 1415.25 0.00 0.00 0.00 0.00 05:50:05 ens3 40.71 33.87 40.05 11.75 0.00 0.00 0.00 0.00 05:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:30 lo 359.46 359.46 6571.04 6571.04 0.00 0.00 0.00 0.00 06:00:30 ens3 85.60 91.66 119.58 979.04 0.00 0.00 0.00 0.00 06:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1118.88 1118.88 3197.22 3197.22 0.00 0.00 0.00 0.00 Average: ens3 63.85 58.88 78.12 344.29 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-37509) 08/14/26 _x86_64_ (4 CPU) 05:23:15 LINUX RESTART (4 CPU) 05:30:05 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 70.34 0.00 2.54 0.05 0.10 26.97 05:40:01 0 71.46 0.00 2.32 0.03 0.10 26.10 05:40:01 1 67.53 0.00 2.45 0.04 0.10 29.88 05:40:01 2 70.88 0.00 2.65 0.05 0.10 26.32 05:40:01 3 71.50 0.00 2.74 0.07 0.10 25.59 05:50:05 all 64.29 0.00 2.53 0.08 0.10 33.00 05:50:05 0 63.20 0.00 2.47 0.13 0.10 34.09 05:50:05 1 64.71 0.00 2.67 0.07 0.10 32.46 05:50:05 2 62.86 0.00 2.64 0.05 0.10 34.34 05:50:05 3 66.38 0.00 2.34 0.07 0.10 31.11 06:00:30 all 27.10 0.00 1.07 0.12 0.07 71.64 06:00:30 0 19.70 0.00 1.08 0.20 0.07 78.95 06:00:30 1 22.68 0.00 1.09 0.08 0.08 76.07 06:00:30 2 40.55 0.00 1.07 0.14 0.07 58.17 06:00:30 3 25.50 0.00 1.02 0.06 0.07 73.35 Average: all 53.51 0.00 2.03 0.08 0.09 44.28 Average: 0 50.97 0.00 1.94 0.12 0.09 46.87 Average: 1 51.22 0.00 2.06 0.06 0.09 46.57 Average: 2 57.83 0.00 2.11 0.08 0.09 39.89 Average: 3 54.03 0.00 2.02 0.07 0.09 43.80