---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28137 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 12G 67G 15% / 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 710 9417 4 5860 14935 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:b4:68:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83837sec preferred_lft 83837sec inet6 fe80::f816:3eff:feb4:6886/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:3d:7b:94:2a:0a 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-28137) 06/17/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 13.87 2.33 10.60 0.94 136.33 3225.88 3234.76 20:50:08 67.26 0.33 44.06 22.86 10.29 4483.01 262413.93 21:00:08 45.80 0.29 37.46 8.05 11.64 4151.33 15720.56 Average: 42.31 0.98 30.71 10.62 52.76 3953.41 93789.75 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 10242524 13684288 2275104 13.90 149596 3406408 2552836 14.65 582596 5154108 57404 20:50:08 8533376 13027140 2922876 17.85 201808 4318416 3011164 17.28 821908 6522324 109928 21:00:08 9762636 15398628 547192 3.34 243692 5352324 1127752 6.47 1213076 4822688 433344 Average: 9512845 14036685 1915057 11.70 198365 4359049 2230584 12.80 872527 5499707 200225 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 20:40:08 ens3 101.38 77.16 543.64 19.70 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:08 lo 4172.39 4172.39 3979.22 3979.22 0.00 0.00 0.00 0.00 20:50:08 ens3 91.80 65.40 321.49 19.00 0.00 0.00 0.00 0.00 20:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:08 lo 3918.20 3918.20 3735.19 3735.19 0.00 0.00 0.00 0.00 21:00:08 ens3 94.23 68.12 128.97 23.07 0.00 0.00 0.00 0.00 21:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2697.26 2697.26 2571.51 2571.51 0.00 0.00 0.00 0.00 Average: ens3 95.80 70.23 331.37 20.59 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-28137) 06/17/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 61.21 0.00 2.10 0.05 0.12 36.52 20:40:08 0 60.63 0.00 2.21 0.03 0.12 37.02 20:40:08 1 61.17 0.00 2.04 0.13 0.12 36.53 20:40:08 2 64.29 0.00 2.15 0.02 0.13 33.41 20:40:08 3 58.77 0.00 1.98 0.03 0.12 39.10 20:50:08 all 64.39 0.00 3.85 0.14 0.13 31.50 20:50:08 0 64.70 0.00 3.74 0.11 0.13 31.33 20:50:08 1 63.27 0.00 4.02 0.12 0.12 32.46 20:50:08 2 67.18 0.00 4.04 0.08 0.13 28.57 20:50:08 3 62.41 0.00 3.59 0.24 0.13 33.64 21:00:08 all 60.97 0.00 3.82 0.19 0.12 34.90 21:00:08 0 59.90 0.00 3.67 0.06 0.12 36.25 21:00:08 1 62.85 0.00 3.81 0.23 0.12 32.98 21:00:08 2 59.85 0.00 3.99 0.11 0.12 35.93 21:00:08 3 61.30 0.00 3.81 0.35 0.12 34.42 Average: all 62.19 0.00 3.25 0.13 0.12 34.31 Average: 0 61.74 0.00 3.20 0.07 0.12 34.87 Average: 1 62.43 0.00 3.29 0.16 0.12 33.99 Average: 2 63.77 0.00 3.40 0.07 0.12 32.64 Average: 3 60.83 0.00 3.12 0.20 0.12 35.72