---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10654 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 66G 16% / 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 666 8693 4 6629 14979 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:81:8a:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84042sec preferred_lft 84042sec inet6 fe80::f816:3eff:fe81:8af5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:5b:81:86:74:54 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-10654) 05/03/26 _x86_64_ (4 CPU) 19:01:18 LINUX RESTART (4 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:09 21.53 0.06 19.04 2.42 6.32 2082.35 11988.89 19:30:01 46.05 0.04 28.78 17.23 0.88 4518.42 270818.90 19:40:10 13.46 0.31 11.34 1.81 13.90 6335.31 52498.26 Average: 26.86 0.14 19.64 7.08 7.09 4321.26 110750.23 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:09 9756644 13409976 2547644 15.56 146684 3617148 2699712 15.50 717088 5487896 11128 19:30:01 7897232 12578220 3374112 20.61 163960 4582744 3298916 18.94 1005416 7014368 2748 19:40:10 8967792 15398480 547532 3.34 181420 6257600 1036732 5.95 1673640 5192444 14100 Average: 8873889 13795559 2156429 13.17 164021 4819164 2345120 13.46 1132048 5898236 9325 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:09 lo 1172.55 1172.55 1110.59 1110.59 0.00 0.00 0.00 0.00 19:20:09 ens3 50.74 37.53 25.07 11.65 0.00 0.00 0.00 0.00 19:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1360.39 1360.39 1291.52 1291.52 0.00 0.00 0.00 0.00 19:30:01 ens3 46.38 37.27 50.86 12.71 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:10 lo 2405.49 2405.49 9151.10 9151.10 0.00 0.00 0.00 0.00 19:40:10 ens3 95.39 103.70 150.14 1061.82 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1651.25 1651.25 3889.30 3889.30 0.00 0.00 0.00 0.00 Average: ens3 64.41 59.82 75.84 367.16 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-10654) 05/03/26 _x86_64_ (4 CPU) 19:01:18 LINUX RESTART (4 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:09 all 66.84 0.00 2.19 0.04 0.11 30.83 19:20:09 0 67.59 0.00 2.17 0.06 0.11 30.08 19:20:09 1 66.69 0.00 2.07 0.03 0.12 31.09 19:20:09 2 66.93 0.00 2.16 0.04 0.11 30.76 19:20:09 3 66.14 0.00 2.33 0.03 0.11 31.38 19:30:01 all 61.17 0.00 2.54 0.14 0.13 36.01 19:30:01 0 61.37 0.00 2.68 0.12 0.13 35.69 19:30:01 1 62.55 0.00 2.67 0.24 0.13 34.40 19:30:01 2 59.74 0.00 2.59 0.18 0.13 37.36 19:30:01 3 61.03 0.00 2.23 0.03 0.13 36.59 19:40:10 all 35.18 0.00 1.34 0.12 0.09 63.27 19:40:10 0 31.92 0.00 1.62 0.09 0.09 66.29 19:40:10 1 34.37 0.00 1.18 0.26 0.09 64.09 19:40:10 2 41.53 0.00 1.13 0.06 0.11 57.17 19:40:10 3 32.92 0.00 1.41 0.08 0.09 65.49 Average: all 54.25 0.00 2.02 0.10 0.11 43.52 Average: 0 53.45 0.00 2.15 0.09 0.11 44.20 Average: 1 54.38 0.00 1.97 0.18 0.11 43.35 Average: 2 55.98 0.00 1.96 0.09 0.12 41.86 Average: 3 53.19 0.00 1.99 0.05 0.11 44.66