---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20616 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: 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 13G 65G 17% / 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 678 8205 4 7105 14967 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:53:c3:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83736sec preferred_lft 83736sec inet6 fe80::f816:3eff:fe53:c3f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:5f:58:3d:27:e6 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-20616) 05/27/26 _x86_64_ (4 CPU) 08:05:31 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:19 42.10 2.96 23.66 15.47 160.39 3829.83 239312.84 08:30:19 25.08 0.02 22.31 2.74 0.23 2111.39 13293.91 08:40:01 21.88 0.03 19.89 1.97 0.37 3713.27 9675.77 Average: 29.89 1.03 21.99 6.87 55.29 3219.34 89759.31 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:19 9665548 13372140 2585244 15.79 138836 3688464 2758604 15.83 691576 5631000 131700 08:30:19 9223168 13198072 2756748 16.84 154156 3914472 2935140 16.85 793532 5939704 21232 08:40:01 7030872 11873024 4078264 24.91 166416 4734360 4144956 23.79 1040248 7842088 1756 Average: 8639863 12814412 3140085 19.18 153136 4112432 3279567 18.82 841785 6470931 51563 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:19 lo 1328.94 1328.94 1261.08 1261.08 0.00 0.00 0.00 0.00 08:20:19 ens3 130.62 98.20 1030.84 18.46 0.00 0.00 0.00 0.00 08:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:19 lo 1170.16 1170.16 1114.85 1114.85 0.00 0.00 0.00 0.00 08:30:19 ens3 38.64 29.85 19.32 10.46 0.00 0.00 0.00 0.00 08:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 783.52 783.52 737.87 737.87 0.00 0.00 0.00 0.00 08:40:01 ens3 27.21 20.62 20.87 8.15 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1099.75 1099.75 1043.25 1043.25 0.00 0.00 0.00 0.00 Average: ens3 66.54 50.35 367.27 12.46 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-20616) 05/27/26 _x86_64_ (4 CPU) 08:05:31 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:19 all 50.60 0.00 2.14 0.13 0.09 47.03 08:20:19 0 49.18 0.00 2.19 0.24 0.09 48.30 08:20:19 1 51.29 0.00 2.45 0.16 0.10 46.01 08:20:19 2 50.97 0.00 1.99 0.08 0.09 46.87 08:20:19 3 50.95 0.00 1.95 0.06 0.10 46.95 08:30:19 all 67.36 0.00 2.36 0.04 0.12 30.12 08:30:19 0 68.82 0.00 2.43 0.05 0.12 28.59 08:30:19 1 66.62 0.00 2.32 0.05 0.12 30.89 08:30:19 2 66.88 0.00 2.30 0.03 0.12 30.66 08:30:19 3 67.11 0.00 2.40 0.04 0.12 30.32 08:40:01 all 38.83 0.00 1.66 0.07 0.10 59.34 08:40:01 0 39.26 0.00 1.71 0.11 0.11 58.81 08:40:01 1 40.20 0.00 1.84 0.07 0.10 57.79 08:40:01 2 35.54 0.00 1.52 0.04 0.10 62.80 08:40:01 3 40.33 0.00 1.56 0.03 0.09 57.98 Average: all 52.38 0.00 2.06 0.08 0.11 45.38 Average: 0 52.51 0.00 2.11 0.13 0.10 45.13 Average: 1 52.81 0.00 2.21 0.09 0.11 44.78 Average: 2 51.29 0.00 1.94 0.05 0.11 46.61 Average: 3 52.89 0.00 1.97 0.04 0.10 44.99