---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32077 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 9.2G 69G 12% / 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 635 11802 4 3551 15011 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:4b:a9:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83777sec preferred_lft 83777sec inet6 fe80::f816:3eff:fe4b:a9c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:4a:00:4e:a4:69 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32077) 07/01/26 _x86_64_ (4 CPU) 09:07:23 LINUX RESTART (4 CPU) 09:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:04 1.57 0.05 1.52 0.01 1.81 19.16 222.10 09:30:01 1.27 0.01 1.26 0.00 0.04 14.36 0.01 09:40:04 1.25 0.00 1.25 0.00 0.00 13.87 0.00 09:50:04 70.03 4.90 61.71 3.42 287.88 5598.40 9015.67 Average: 18.53 1.24 16.43 0.86 72.43 1411.45 2309.42 09:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:04 13761832 15510476 508640 3.11 53944 1921600 1136692 6.52 193632 2168768 184 09:30:01 13761076 15510120 508952 3.11 54320 1921600 1136820 6.53 194004 2169732 204 09:40:04 13743756 15493252 525812 3.21 54752 1921616 1137400 6.53 194444 2180636 180 09:50:04 10671696 13910684 2051188 12.53 132816 3258448 2211748 12.70 572908 4765468 26052 Average: 12984590 15106133 898648 5.49 73958 2255816 1405665 8.07 288747 2821151 6655 09:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:04 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:20:04 ens3 0.61 0.21 0.24 0.06 0.00 0.00 0.00 0.00 09:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:01 ens3 0.35 0.08 0.05 0.02 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:04 ens3 5.87 4.36 3.70 3.24 0.00 0.00 0.00 0.00 09:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:04 lo 805.48 805.48 766.56 766.56 0.00 0.00 0.00 0.00 09:50:04 ens3 136.53 101.65 1141.34 24.78 0.00 0.00 0.00 0.00 09:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 201.45 201.45 191.65 191.65 0.00 0.00 0.00 0.00 Average: ens3 35.85 26.58 286.34 7.03 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32077) 07/01/26 _x86_64_ (4 CPU) 09:07:23 LINUX RESTART (4 CPU) 09:10:04 CPU %user %nice %system %iowait %steal %idle 09:20:04 all 0.19 0.00 0.03 0.01 0.02 99.75 09:20:04 0 0.43 0.00 0.02 0.00 0.02 99.53 09:20:04 1 0.08 0.00 0.02 0.00 0.02 99.88 09:20:04 2 0.18 0.00 0.04 0.04 0.03 99.72 09:20:04 3 0.05 0.00 0.03 0.01 0.03 99.88 09:30:01 all 0.09 0.00 0.02 0.01 0.02 99.86 09:30:01 0 0.02 0.00 0.02 0.01 0.01 99.94 09:30:01 1 0.04 0.00 0.01 0.00 0.01 99.94 09:30:01 2 0.05 0.00 0.04 0.01 0.04 99.86 09:30:01 3 0.27 0.00 0.02 0.00 0.02 99.70 09:40:04 all 0.17 0.00 0.04 0.01 0.02 99.77 09:40:04 0 0.17 0.00 0.02 0.00 0.01 99.79 09:40:04 1 0.15 0.00 0.03 0.00 0.02 99.79 09:40:04 2 0.14 0.00 0.06 0.02 0.03 99.75 09:40:04 3 0.20 0.00 0.03 0.00 0.02 99.75 09:50:04 all 40.97 0.00 1.90 0.33 0.07 56.73 09:50:04 0 41.33 0.00 1.82 0.06 0.07 56.72 09:50:04 1 39.07 0.00 1.90 0.34 0.08 58.60 09:50:04 2 40.73 0.00 2.10 0.68 0.08 56.42 09:50:04 3 42.74 0.00 1.78 0.23 0.07 55.18 Average: all 10.33 0.00 0.49 0.09 0.03 89.05 Average: 0 10.46 0.00 0.47 0.02 0.03 89.02 Average: 1 9.82 0.00 0.49 0.09 0.03 89.57 Average: 2 10.26 0.00 0.56 0.19 0.04 88.95 Average: 3 10.79 0.00 0.46 0.06 0.04 88.65