---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40110 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: 5600.00 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 68G 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 639 10812 4 4537 15007 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:e5:bd:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84929sec preferred_lft 84929sec inet6 fe80::f816:3eff:fee5:bdb1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:36:da:2d:61:de 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-40110) 08/22/26 _x86_64_ (4 CPU) 21:39:26 LINUX RESTART (4 CPU) 21:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:01 37.68 3.28 19.76 14.64 198.42 5056.99 267769.79 22:00:05 8.29 0.57 7.33 0.39 22.91 1705.46 751.66 Average: 22.76 1.90 13.45 7.40 109.29 3355.01 132172.07 21:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:01 9197260 12481024 3481784 21.27 113816 3328840 3825384 21.96 495828 6334140 15460 22:00:05 9076472 12815568 3143824 19.20 132228 3735844 3414432 19.60 596908 6303668 8704 Average: 9136866 12648296 3312804 20.23 123022 3532342 3619908 20.78 546368 6318904 12082 21:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:01 lo 0.58 0.58 0.06 0.06 0.00 0.00 0.00 0.00 21:50:01 ens3 94.92 67.51 1208.87 9.79 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:05 lo 99.10 99.10 94.03 94.03 0.00 0.00 0.00 0.00 22:00:05 ens3 45.98 30.94 449.81 4.70 0.00 0.00 0.00 0.00 22:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 50.61 50.61 47.78 47.78 0.00 0.00 0.00 0.00 Average: ens3 70.07 48.94 823.40 7.20 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-40110) 08/22/26 _x86_64_ (4 CPU) 21:39:26 LINUX RESTART (4 CPU) 21:40:15 CPU %user %nice %system %iowait %steal %idle 21:50:01 all 47.31 0.00 1.27 0.24 0.09 51.09 21:50:01 0 44.67 0.00 1.21 0.31 0.13 53.68 21:50:01 1 51.30 0.00 1.28 0.33 0.08 47.01 21:50:01 2 46.91 0.00 1.29 0.12 0.08 51.60 21:50:01 3 46.35 0.00 1.29 0.19 0.08 52.09 22:00:05 all 46.67 0.00 0.86 0.05 0.07 52.35 22:00:05 0 34.38 0.00 0.71 0.05 0.07 64.79 22:00:05 1 47.77 0.00 1.09 0.04 0.07 51.03 22:00:05 2 40.81 0.00 0.68 0.05 0.06 58.40 22:00:05 3 63.75 0.00 0.97 0.04 0.08 35.16 Average: all 46.99 0.00 1.06 0.14 0.08 51.73 Average: 0 39.45 0.00 0.96 0.18 0.10 59.32 Average: 1 49.50 0.00 1.18 0.18 0.08 49.05 Average: 2 43.81 0.00 0.98 0.08 0.07 55.05 Average: 3 55.19 0.00 1.13 0.12 0.08 43.48