---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11770 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 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 659 10189 4 5139 14987 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:69:7d:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84385sec preferred_lft 84385sec inet6 fe80::f816:3eff:fe69:7d65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:0a:5f:aa:6a:6b 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-11770) 08/10/26 _x86_64_ (4 CPU) 11:31:43 LINUX RESTART (4 CPU) 11:40:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:17 25.32 14.11 10.33 0.88 261.82 2904.53 1721.69 12:00:14 28.08 0.82 23.89 3.36 29.58 4280.52 3630.83 Average: 26.71 7.40 17.17 2.13 144.58 3599.14 2685.44 11:40:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:17 10563012 14215604 1742308 10.64 141280 3611860 2084956 11.97 617492 4778028 23588 12:00:14 8491244 13283728 2665700 16.28 176564 4633804 3493540 20.05 924108 6461508 1836 Average: 9527128 13749666 2204004 13.46 158922 4122832 2789248 16.01 770800 5619768 12712 11:40:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:17 lo 1.09 1.09 0.11 0.11 0.00 0.00 0.00 0.00 11:50:17 ens3 99.18 78.33 645.31 18.51 0.00 0.00 0.00 0.00 11:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:14 lo 1694.46 1694.46 1615.51 1615.51 0.00 0.00 0.00 0.00 12:00:14 ens3 95.66 68.39 455.96 18.47 0.00 0.00 0.00 0.00 12:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 855.92 855.92 815.58 815.58 0.00 0.00 0.00 0.00 Average: ens3 97.40 73.31 549.72 18.49 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-11770) 08/10/26 _x86_64_ (4 CPU) 11:31:43 LINUX RESTART (4 CPU) 11:40:32 CPU %user %nice %system %iowait %steal %idle 11:50:17 all 57.12 0.08 1.95 0.08 0.10 40.67 11:50:17 0 58.87 0.03 1.97 0.03 0.10 39.00 11:50:17 1 57.14 0.20 2.29 0.18 0.10 40.10 11:50:17 2 54.43 0.05 1.64 0.06 0.10 43.73 11:50:17 3 58.06 0.05 1.90 0.05 0.10 39.85 12:00:14 all 69.18 0.00 2.81 0.05 0.12 27.84 12:00:14 0 68.61 0.00 2.63 0.04 0.12 28.60 12:00:14 1 68.32 0.00 2.82 0.05 0.12 28.69 12:00:14 2 71.23 0.00 3.22 0.05 0.12 25.38 12:00:14 3 68.56 0.00 2.57 0.04 0.12 28.70 Average: all 63.21 0.04 2.39 0.06 0.11 34.20 Average: 0 63.79 0.01 2.31 0.03 0.11 33.75 Average: 1 62.78 0.10 2.56 0.11 0.11 34.34 Average: 2 62.91 0.02 2.44 0.06 0.11 34.46 Average: 3 63.36 0.02 2.24 0.05 0.11 34.22