---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37668 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 68G 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 684 10569 4 4734 14962 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:d8:b5:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85155sec preferred_lft 85155sec inet6 fe80::f816:3eff:fed8:b55c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:50:d2:52:a7:2e 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-37668) 08/15/26 _x86_64_ (4 CPU) 01:39:24 LINUX RESTART (4 CPU) 01:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:01 51.98 4.01 46.14 1.82 272.88 6323.82 31937.50 02:00:05 32.46 1.05 26.67 4.73 37.84 4470.67 4878.96 Average: 42.16 2.53 36.35 3.28 154.73 5392.25 18335.40 01:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:01 10337764 13953056 2005920 12.25 133296 3602200 2321068 13.32 564672 5081160 32644 02:00:05 10806568 15298604 653612 3.99 169212 4369396 1169824 6.71 797456 4270156 9796 Average: 10572166 14625830 1329766 8.12 151254 3985798 1745446 10.02 681064 4675658 21220 01:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:01 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 01:50:01 ens3 132.43 96.90 1193.48 21.33 0.00 0.00 0.00 0.00 01:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:05 lo 1713.08 1713.08 1632.97 1632.97 0.00 0.00 0.00 0.00 02:00:05 ens3 112.56 77.42 513.27 21.45 0.00 0.00 0.00 0.00 02:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 861.87 861.87 820.95 820.95 0.00 0.00 0.00 0.00 Average: ens3 122.44 87.11 851.55 21.39 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-37668) 08/15/26 _x86_64_ (4 CPU) 01:39:24 LINUX RESTART (4 CPU) 01:40:05 CPU %user %nice %system %iowait %steal %idle 01:50:01 all 66.01 0.00 2.36 0.30 0.10 31.23 01:50:01 0 67.59 0.00 2.24 0.10 0.10 29.97 01:50:01 1 63.38 0.00 2.44 0.11 0.10 33.97 01:50:01 2 64.85 0.00 2.18 0.29 0.10 32.59 01:50:01 3 68.22 0.00 2.57 0.72 0.10 28.38 02:00:05 all 62.05 0.00 2.58 0.27 0.09 35.01 02:00:05 0 63.31 0.00 2.51 0.85 0.09 33.23 02:00:05 1 61.98 0.00 2.60 0.07 0.09 35.26 02:00:05 2 64.37 0.00 2.68 0.09 0.09 32.76 02:00:05 3 58.54 0.00 2.53 0.05 0.09 38.79 Average: all 64.02 0.00 2.47 0.29 0.10 33.13 Average: 0 65.44 0.00 2.37 0.48 0.10 31.61 Average: 1 62.68 0.00 2.52 0.09 0.10 34.62 Average: 2 64.61 0.00 2.43 0.19 0.10 32.67 Average: 3 63.35 0.00 2.55 0.38 0.10 33.61