---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36941 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 12G 66G 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 657 9343 4 5988 14989 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:31:c1:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84377sec preferred_lft 84377sec inet6 fe80::f816:3eff:fe31:c120/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:b3:a8:4d:9e:35 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-36941) 08/12/26 _x86_64_ (4 CPU) 13:25:37 LINUX RESTART (4 CPU) 13:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:24 24.23 2.35 18.91 2.97 139.00 3550.53 31111.94 13:50:20 23.50 0.20 20.07 3.22 4.97 1794.82 31414.86 Average: 23.87 1.30 19.48 3.10 73.48 2692.28 31260.02 13:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:24 9543016 13095516 2863368 17.49 131284 3535368 3094064 17.76 676816 5762792 252 13:50:20 9200516 13141628 2813704 17.18 152080 3874584 2894216 16.61 808532 5923008 12096 Average: 9371766 13118572 2838536 17.34 141682 3704976 2994140 17.19 742674 5842900 6174 13:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:24 lo 27.00 27.00 6.29 6.29 0.00 0.00 0.00 0.00 13:40:24 ens3 63.30 49.25 457.26 9.92 0.00 0.00 0.00 0.00 13:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:20 lo 1340.64 1340.64 1253.58 1253.58 0.00 0.00 0.00 0.00 13:50:20 ens3 45.19 33.32 268.15 8.22 0.00 0.00 0.00 0.00 13:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 669.15 669.15 616.01 616.01 0.00 0.00 0.00 0.00 Average: ens3 54.45 41.46 364.82 9.09 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-36941) 08/12/26 _x86_64_ (4 CPU) 13:25:37 LINUX RESTART (4 CPU) 13:30:01 CPU %user %nice %system %iowait %steal %idle 13:40:24 all 37.34 0.00 1.45 0.12 0.10 60.99 13:40:24 0 36.78 0.00 1.54 0.06 0.10 61.52 13:40:24 1 36.78 0.00 1.50 0.11 0.11 61.51 13:40:24 2 37.82 0.00 1.53 0.16 0.10 60.40 13:40:24 3 37.98 0.00 1.23 0.16 0.09 60.54 13:50:20 all 33.48 0.00 1.83 0.10 0.13 64.47 13:50:20 0 33.67 0.00 1.84 0.23 0.12 64.14 13:50:20 1 34.00 0.00 1.83 0.05 0.15 63.97 13:50:20 2 32.41 0.00 1.75 0.04 0.14 65.66 13:50:20 3 33.82 0.00 1.90 0.06 0.12 64.09 Average: all 35.45 0.00 1.63 0.11 0.12 62.69 Average: 0 35.26 0.00 1.68 0.14 0.11 62.80 Average: 1 35.42 0.00 1.66 0.08 0.13 62.71 Average: 2 35.18 0.00 1.64 0.10 0.12 62.97 Average: 3 35.95 0.00 1.56 0.11 0.11 62.27