---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2422 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 11G 67G 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 704 10201 4 5083 14942 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:e8:da:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83776sec preferred_lft 83776sec inet6 fe80::f816:3eff:fee8:da04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:2a:5c:49:3b:d8 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2422) 08/05/26 _x86_64_ (4 CPU) 21:52:26 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:14 1.95 0.00 1.94 0.01 0.04 43.31 179.02 22:20:01 13.25 2.01 10.32 0.92 132.71 2983.18 1847.06 22:30:01 29.27 0.81 24.94 3.51 24.29 4204.70 3844.41 Average: 14.74 0.93 12.34 1.47 51.41 2389.78 1945.15 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:14 12787608 15502240 467544 2.86 105200 2795152 993088 5.70 362900 2886580 204 22:20:01 10169652 13806872 2151328 13.14 140660 3606920 2485252 14.27 588108 5215184 26420 22:30:01 8126028 13033348 2915400 17.81 180972 4743528 3033204 17.41 921168 6821748 156116 Average: 10361096 14114153 1844757 11.27 142277 3715200 2170515 12.46 624059 4974504 60913 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:14 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:10:14 ens3 18.00 15.00 201.33 1.65 0.00 0.00 0.00 0.00 22:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 22:20:01 ens3 98.66 80.29 627.07 19.19 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 lo 1803.21 1803.21 1719.33 1719.33 0.00 0.00 0.00 0.00 22:30:01 ens3 80.80 63.14 448.61 16.31 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 601.53 601.53 573.18 573.18 0.00 0.00 0.00 0.00 Average: ens3 65.26 52.35 422.68 12.26 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2422) 08/05/26 _x86_64_ (4 CPU) 21:52:26 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:14 all 0.23 0.00 0.06 0.01 0.02 99.67 22:10:14 0 0.04 0.00 0.03 0.00 0.01 99.92 22:10:14 1 0.36 0.00 0.11 0.00 0.01 99.52 22:10:14 2 0.17 0.00 0.05 0.00 0.02 99.75 22:10:14 3 0.34 0.00 0.06 0.05 0.04 99.51 22:20:01 all 61.23 0.00 2.05 0.30 0.13 36.30 22:20:01 0 61.79 0.00 2.07 0.26 0.11 35.77 22:20:01 1 61.75 0.00 2.22 0.44 0.11 35.47 22:20:01 2 60.03 0.00 1.78 0.21 0.11 37.89 22:20:01 3 61.35 0.00 2.13 0.27 0.17 36.07 22:30:01 all 67.26 0.00 2.71 0.76 0.14 29.12 22:30:01 0 66.48 0.00 2.76 0.77 0.24 29.75 22:30:01 1 67.44 0.00 2.79 0.58 0.11 29.08 22:30:01 2 68.53 0.00 2.91 0.55 0.11 27.90 22:30:01 3 66.58 0.00 2.40 1.15 0.11 29.76 Average: all 42.46 0.00 1.59 0.35 0.10 55.50 Average: 0 42.32 0.00 1.60 0.34 0.12 55.61 Average: 1 42.71 0.00 1.69 0.34 0.08 55.19 Average: 2 42.47 0.00 1.57 0.25 0.08 55.63 Average: 3 42.34 0.00 1.52 0.49 0.11 55.55