---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41384 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 705 9361 4 5922 14940 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:49:09:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84289sec preferred_lft 84289sec inet6 fe80::f816:3eff:fe49:9d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:ff:be:5d:30:06 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-41384) 08/27/26 _x86_64_ (4 CPU) 06:26:37 LINUX RESTART (4 CPU) 06:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 19.47 2.88 15.37 1.23 174.89 4790.28 7970.05 06:50:09 32.81 0.05 29.27 3.49 1.53 3027.18 8533.41 07:00:02 22.19 0.16 19.24 2.80 10.53 6307.10 7000.10 Average: 24.89 1.02 21.36 2.51 61.81 4694.84 7840.02 06:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9686616 13578584 2377092 14.52 154716 3824932 2656248 15.25 671152 5579524 54180 06:50:09 8193072 12863992 3086312 18.85 185552 4516960 3303592 18.96 861140 6833324 292044 07:00:02 9663220 15364928 579084 3.54 213400 5456840 1118908 6.42 950196 5173136 228 Average: 9180969 13935835 2014163 12.30 184556 4599577 2359583 13.54 827496 5861995 115484 06:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 336.23 336.23 320.19 320.19 0.00 0.00 0.00 0.00 06:40:01 ens3 103.45 78.39 1156.98 16.42 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 06:50:09 lo 1853.89 1853.89 1768.10 1768.10 0.00 0.00 0.00 0.00 06:50:09 ens3 37.93 30.66 201.63 11.06 0.00 0.00 0.00 0.00 06:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:02 lo 230.76 230.76 212.00 212.00 0.00 0.00 0.00 0.00 07:00:02 ens3 64.74 61.61 122.56 190.54 0.00 0.00 0.00 0.00 07:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.38 815.38 774.82 774.82 0.00 0.00 0.00 0.00 Average: ens3 68.45 56.67 491.23 72.20 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-41384) 08/27/26 _x86_64_ (4 CPU) 06:26:37 LINUX RESTART (4 CPU) 06:30:09 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 44.52 0.00 1.76 0.13 0.02 53.57 06:40:01 0 43.94 0.00 1.95 0.12 0.02 53.98 06:40:01 1 43.13 0.00 1.68 0.06 0.02 55.11 06:40:01 2 45.00 0.00 1.87 0.11 0.01 53.01 06:40:01 3 46.00 0.00 1.54 0.25 0.02 52.19 06:50:09 all 58.71 0.00 2.91 0.27 0.03 38.08 06:50:09 0 59.35 0.00 2.83 0.34 0.03 37.45 06:50:09 1 60.80 0.00 2.79 0.24 0.03 36.13 06:50:09 2 57.17 0.00 3.04 0.38 0.04 39.38 06:50:09 3 57.51 0.00 2.99 0.11 0.03 39.35 07:00:02 all 48.97 0.00 1.89 0.14 0.04 48.97 07:00:02 0 43.28 0.00 1.70 0.05 0.04 54.93 07:00:02 1 48.34 0.00 1.81 0.10 0.04 49.72 07:00:02 2 53.40 0.00 2.16 0.21 0.03 44.20 07:00:02 3 50.84 0.00 1.88 0.20 0.04 47.05 Average: all 50.79 0.00 2.19 0.18 0.03 46.81 Average: 0 48.93 0.00 2.16 0.17 0.03 48.70 Average: 1 50.83 0.00 2.10 0.13 0.03 46.90 Average: 2 51.90 0.00 2.36 0.23 0.03 45.48 Average: 3 51.50 0.00 2.14 0.18 0.03 46.14