---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38663 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 11G 68G 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 667 10497 4 4824 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:e5:6b:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84431sec preferred_lft 84431sec inet6 fe80::f816:3eff:fee5:6b05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:ac:3b:6b:52:ac 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-38663) 07/25/26 _x86_64_ (4 CPU) 18:19:50 LINUX RESTART (4 CPU) 18:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:07 48.90 10.94 37.13 0.83 1503.69 8193.98 3337.33 18:40:07 11.74 0.41 10.26 1.08 15.53 2204.81 3103.13 18:50:07 28.68 0.62 23.88 4.18 24.21 3898.23 11611.07 Average: 29.84 4.01 23.80 2.03 517.83 4777.29 6008.10 18:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:07 11131152 14079880 1883948 11.51 115316 2993824 2329520 13.37 472580 4434984 26964 18:40:07 9777036 13373912 2583428 15.78 144968 3547704 2855488 16.39 634264 5539756 26732 18:50:07 10787028 15367492 583096 3.56 171960 4439220 1105416 6.35 895252 4175776 8 Average: 10565072 14273761 1683491 10.28 144081 3660249 2096808 12.04 667365 4716839 17901 18:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:07 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 18:30:07 ens3 120.85 90.35 1017.59 16.76 0.00 0.00 0.00 0.00 18:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:07 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 18:40:07 ens3 64.03 49.02 99.18 16.37 0.00 0.00 0.00 0.00 18:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:07 lo 1703.33 1703.33 1615.81 1615.81 0.00 0.00 0.00 0.00 18:50:07 ens3 91.20 78.67 407.78 98.54 0.00 0.00 0.00 0.00 18:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 566.51 566.51 536.84 536.84 0.00 0.00 0.00 0.00 Average: ens3 92.12 72.74 509.91 43.80 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-38663) 07/25/26 _x86_64_ (4 CPU) 18:19:50 LINUX RESTART (4 CPU) 18:20:00 CPU %user %nice %system %iowait %steal %idle 18:30:07 all 16.82 0.00 1.05 0.47 0.04 81.62 18:30:07 0 15.57 0.00 0.75 0.25 0.04 83.39 18:30:07 1 16.03 0.00 1.09 0.24 0.04 82.60 18:30:07 2 20.32 0.00 1.26 0.51 0.05 77.87 18:30:07 3 15.34 0.00 1.09 0.90 0.04 82.64 18:40:07 all 72.09 0.00 2.36 0.04 0.10 25.41 18:40:07 0 69.93 0.00 2.57 0.07 0.10 27.33 18:40:07 1 70.49 0.00 2.12 0.02 0.10 27.26 18:40:07 2 73.52 0.00 2.48 0.03 0.10 23.88 18:40:07 3 74.41 0.00 2.29 0.03 0.10 23.17 18:50:07 all 53.16 0.00 2.62 0.08 0.08 44.05 18:50:07 0 51.14 0.00 2.58 0.11 0.08 46.09 18:50:07 1 55.32 0.00 2.84 0.07 0.09 41.68 18:50:07 2 55.75 0.00 2.41 0.09 0.09 41.66 18:50:07 3 50.42 0.00 2.66 0.07 0.09 46.76 Average: all 47.23 0.00 2.01 0.20 0.08 50.48 Average: 0 45.44 0.00 1.96 0.14 0.07 52.38 Average: 1 47.15 0.00 2.01 0.11 0.08 50.65 Average: 2 49.73 0.00 2.05 0.21 0.08 47.94 Average: 3 46.61 0.00 2.01 0.34 0.07 50.98