---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38572 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 647 10160 4 5181 14999 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:94:21:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84784sec preferred_lft 84784sec inet6 fe80::f816:3eff:fe94:210e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:7e:a7:89:3e:fd 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-38572) 08/18/26 _x86_64_ (4 CPU) 20:07:24 LINUX RESTART (4 CPU) 20:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:14 14.42 2.25 11.58 0.59 153.89 3661.46 17400.81 20:30:13 8.56 0.53 7.54 0.49 19.76 1609.77 1808.09 Average: 11.52 1.40 9.58 0.54 87.42 2644.80 9674.27 20:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:14 9028188 12343588 3617856 22.10 119788 3347272 3841376 22.05 518544 6461220 1820 20:30:13 9503068 13354404 2603448 15.90 137556 3834188 2809588 16.13 658104 5812208 114656 Average: 9265628 12848996 3110652 19.00 128672 3590730 3325482 19.09 588324 6136714 58238 20:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:14 lo 0.70 0.70 0.38 0.38 0.00 0.00 0.00 0.00 20:20:14 ens3 72.26 54.51 859.25 6.79 0.00 0.00 0.00 0.00 20:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:13 lo 234.30 234.30 223.21 223.21 0.00 0.00 0.00 0.00 20:30:13 ens3 37.87 27.53 433.16 3.60 0.00 0.00 0.00 0.00 20:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 116.45 116.45 110.80 110.80 0.00 0.00 0.00 0.00 Average: ens3 55.22 41.14 648.11 5.21 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-38572) 08/18/26 _x86_64_ (4 CPU) 20:07:24 LINUX RESTART (4 CPU) 20:10:03 CPU %user %nice %system %iowait %steal %idle 20:20:14 all 52.03 0.00 1.06 0.09 0.09 46.72 20:20:14 0 46.18 0.00 1.08 0.04 0.09 52.61 20:20:14 1 48.13 0.00 1.03 0.08 0.09 50.67 20:20:14 2 60.03 0.00 1.19 0.18 0.10 38.51 20:20:14 3 53.81 0.00 0.95 0.06 0.09 45.09 20:30:13 all 48.79 0.00 0.89 0.03 0.09 50.20 20:30:13 0 35.99 0.00 0.97 0.02 0.08 62.94 20:30:13 1 35.04 0.00 0.95 0.05 0.07 63.88 20:30:13 2 87.40 0.00 1.01 0.02 0.10 11.47 20:30:13 3 36.80 0.00 0.62 0.02 0.08 62.47 Average: all 50.43 0.00 0.98 0.06 0.09 48.45 Average: 0 41.13 0.00 1.03 0.03 0.09 57.73 Average: 1 41.63 0.00 0.99 0.06 0.08 57.23 Average: 2 73.60 0.00 1.10 0.10 0.10 25.10 Average: 3 45.39 0.00 0.79 0.04 0.08 53.69