---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3486 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 67G 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 678 10155 4 5154 14968 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:09:de:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83930sec preferred_lft 83930sec inet6 fe80::f816:3eff:fe09:ded8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:e0:a8:bf:ec:33 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-3486) 08/08/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 18.44 12.40 5.56 0.48 163.36 860.65 4373.07 15:50:18 25.24 1.83 9.40 14.01 119.77 2653.83 233327.07 16:00:15 32.84 0.82 28.43 3.60 29.07 4042.22 3506.74 Average: 25.55 4.94 14.46 6.15 103.86 2530.86 82518.18 15:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 12704332 15474084 490864 3.00 107588 2837988 1004736 5.77 399000 2907272 324 15:50:18 10407548 14040904 1917060 11.71 141184 3594632 2259492 12.97 615876 4943088 21436 16:00:15 8061708 12871392 3077608 18.80 178656 4648296 3451776 19.81 930320 6874456 105480 Average: 10391196 14128793 1828511 11.17 142476 3693639 2238668 12.85 648399 4908272 42413 15:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 15:40:01 ens3 45.69 33.36 567.50 2.95 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:18 lo 0.94 0.94 0.09 0.09 0.00 0.00 0.00 0.00 15:50:18 ens3 86.14 70.52 653.14 16.03 0.00 0.00 0.00 0.00 15:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:15 lo 1649.76 1649.76 1572.68 1572.68 0.00 0.00 0.00 0.00 16:00:15 ens3 95.47 70.58 456.57 19.54 0.00 0.00 0.00 0.00 16:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 547.91 547.91 521.99 521.99 0.00 0.00 0.00 0.00 Average: ens3 76.07 58.44 560.02 12.94 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-3486) 08/08/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:15 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 0.64 0.08 0.19 0.13 0.02 98.94 15:40:01 0 0.59 0.03 0.20 0.10 0.02 99.05 15:40:01 1 0.80 0.01 0.13 0.02 0.03 99.02 15:40:01 2 0.72 0.03 0.20 0.08 0.02 98.95 15:40:01 3 0.46 0.25 0.22 0.32 0.03 98.72 15:50:18 all 48.21 0.00 1.60 0.05 0.08 50.07 15:50:18 0 49.35 0.00 1.70 0.09 0.08 48.79 15:50:18 1 48.65 0.00 1.57 0.03 0.08 49.67 15:50:18 2 46.46 0.00 1.59 0.03 0.07 51.85 15:50:18 3 48.37 0.00 1.53 0.04 0.07 49.98 16:00:15 all 68.39 0.00 2.76 0.07 0.10 28.68 16:00:15 0 69.80 0.00 3.05 0.11 0.10 26.94 16:00:15 1 66.60 0.00 2.47 0.07 0.10 30.76 16:00:15 2 68.93 0.00 2.83 0.06 0.10 28.07 16:00:15 3 68.23 0.00 2.68 0.03 0.11 28.96 Average: all 39.40 0.03 1.52 0.08 0.07 58.90 Average: 0 40.24 0.01 1.66 0.10 0.07 57.92 Average: 1 39.00 0.00 1.40 0.04 0.07 59.49 Average: 2 39.00 0.01 1.55 0.06 0.06 59.32 Average: 3 39.36 0.08 1.48 0.12 0.07 58.88