---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46341 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 733 9465 4 5790 14912 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:fc:5e:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84479sec preferred_lft 84479sec inet6 fe80::f816:3eff:fefc:5e90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:76:e6:d0:ae:19 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-46341) 08/31/26 _x86_64_ (4 CPU) 14:07:16 LINUX RESTART (4 CPU) 14:10:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:36 23.22 2.68 18.88 1.66 148.50 4906.99 7109.65 14:30:40 44.52 0.06 27.45 17.01 1.98 3179.31 259452.06 Average: 33.94 1.36 23.20 9.39 74.71 4036.98 134181.59 14:10:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:36 9344384 13153108 2802220 17.11 160880 3730204 2979156 17.10 716248 5869024 13564 14:30:40 7865032 13175940 2772208 16.93 190544 5127456 2876664 16.51 1040388 6946056 906964 Average: 8604708 13164524 2787214 17.02 175712 4428830 2927910 16.81 878318 6407540 460264 14:10:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:36 lo 742.52 742.52 707.05 707.05 0.00 0.00 0.00 0.00 14:20:36 ens3 103.10 84.84 893.85 20.26 0.00 0.00 0.00 0.00 14:20:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:40 lo 1469.72 1469.72 1400.33 1400.33 0.00 0.00 0.00 0.00 14:30:40 ens3 43.43 35.00 236.48 11.72 0.00 0.00 0.00 0.00 14:30:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1108.72 1108.72 1056.16 1056.16 0.00 0.00 0.00 0.00 Average: ens3 73.05 59.74 562.82 15.96 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-46341) 08/31/26 _x86_64_ (4 CPU) 14:07:16 LINUX RESTART (4 CPU) 14:10:42 CPU %user %nice %system %iowait %steal %idle 14:20:36 all 56.43 0.00 2.18 0.11 0.04 41.24 14:20:36 0 57.29 0.00 2.14 0.12 0.04 40.41 14:20:36 1 56.11 0.00 2.01 0.10 0.04 41.75 14:20:36 2 57.49 0.00 2.04 0.12 0.04 40.31 14:20:36 3 54.85 0.00 2.53 0.11 0.03 42.49 14:30:40 all 54.17 0.00 2.60 0.09 0.04 43.10 14:30:40 0 55.46 0.00 2.54 0.06 0.04 41.90 14:30:40 1 51.48 0.00 2.41 0.18 0.04 45.89 14:30:40 2 53.96 0.00 2.48 0.04 0.04 43.47 14:30:40 3 55.78 0.00 2.97 0.06 0.04 41.15 Average: all 55.29 0.00 2.39 0.10 0.04 42.18 Average: 0 56.37 0.00 2.34 0.09 0.04 41.16 Average: 1 53.78 0.00 2.21 0.14 0.04 43.83 Average: 2 55.71 0.00 2.27 0.08 0.04 41.90 Average: 3 55.32 0.00 2.75 0.08 0.04 41.81