---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3741 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 686 10428 4 4874 14960 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:4f:23:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83683sec preferred_lft 83683sec inet6 fe80::f816:3eff:fe4f:238a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:ad:59:96:10:0e 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-3741) 08/09/26 _x86_64_ (4 CPU) 05:40:39 LINUX RESTART (4 CPU) 05:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:18 2.08 0.05 2.03 0.01 1.07 72.87 68.87 06:10:21 15.04 1.95 12.03 1.07 129.66 3191.52 2483.32 06:20:15 30.06 0.95 24.67 4.45 33.92 4406.26 4167.25 Average: 15.70 0.98 12.88 1.84 55.16 2555.51 2237.07 05:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:18 12886592 15397004 576040 3.52 103676 2594000 1373168 7.88 350796 2835920 10368 06:10:21 10084264 13608376 2350392 14.36 143272 3487960 2675616 15.36 601068 5278320 36052 06:20:15 10758588 15390480 561104 3.43 177104 4483836 1100652 6.32 903512 4213232 16 Average: 11243148 14798620 1162512 7.10 141351 3521932 1716479 9.85 618459 4109157 15479 05:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 06:00:18 ens3 26.12 22.45 233.95 3.60 0.00 0.00 0.00 0.00 06:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:21 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 06:10:21 ens3 104.73 80.68 608.04 19.30 0.00 0.00 0.00 0.00 06:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:15 lo 1847.84 1847.84 1760.04 1760.04 0.00 0.00 0.00 0.00 06:20:15 ens3 91.83 68.82 435.51 43.00 0.00 0.00 0.00 0.00 06:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 612.29 612.29 582.76 582.76 0.00 0.00 0.00 0.00 Average: ens3 74.29 57.37 426.38 21.92 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-3741) 08/09/26 _x86_64_ (4 CPU) 05:40:39 LINUX RESTART (4 CPU) 05:50:21 CPU %user %nice %system %iowait %steal %idle 06:00:18 all 0.35 0.00 0.09 0.05 0.02 99.50 06:00:18 0 0.18 0.00 0.04 0.08 0.01 99.70 06:00:18 1 0.38 0.00 0.09 0.01 0.02 99.51 06:00:18 2 0.21 0.00 0.07 0.08 0.02 99.62 06:00:18 3 0.63 0.00 0.15 0.02 0.01 99.19 06:10:21 all 71.38 0.00 2.32 0.11 0.12 26.07 06:10:21 0 72.32 0.00 2.48 0.07 0.12 25.01 06:10:21 1 70.77 0.00 2.07 0.17 0.12 26.88 06:10:21 2 69.51 0.00 2.43 0.13 0.12 27.80 06:10:21 3 72.93 0.00 2.30 0.07 0.12 24.58 06:20:15 all 57.75 0.00 2.49 0.43 0.10 39.24 06:20:15 0 56.93 0.00 2.41 0.29 0.10 40.28 06:20:15 1 57.10 0.00 2.42 0.36 0.10 40.01 06:20:15 2 56.69 0.00 2.60 0.83 0.09 39.79 06:20:15 3 60.28 0.00 2.53 0.24 0.10 36.86 Average: all 43.22 0.00 1.63 0.20 0.08 54.88 Average: 0 43.20 0.00 1.64 0.14 0.08 54.94 Average: 1 42.79 0.00 1.52 0.18 0.08 55.42 Average: 2 42.23 0.00 1.70 0.35 0.08 55.65 Average: 3 44.64 0.00 1.66 0.11 0.08 53.52