---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38544 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: 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 66G 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 737 9180 4 6071 14909 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:c2:37:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fec2:3729/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:d4:bf:3e:6e:ef 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-38544) 08/18/26 _x86_64_ (4 CPU) 14:07:15 LINUX RESTART (4 CPU) 14:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:07 44.96 2.71 26.32 15.93 148.13 5906.71 270102.55 14:30:01 34.53 0.06 31.25 3.23 1.61 6184.87 29060.24 Average: 39.78 1.39 28.77 9.62 75.37 6044.85 150395.94 14:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:07 9264732 13413480 2540012 15.51 166340 4058352 2754964 15.81 781212 5874300 20600 14:30:01 7171372 12786272 3160444 19.30 194464 5420224 3404960 19.54 1094332 7590696 27324 Average: 8218052 13099876 2850228 17.41 180402 4739288 3079962 17.68 937772 6732498 23962 14:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:07 lo 772.78 772.78 735.99 735.99 0.00 0.00 0.00 0.00 14:20:07 ens3 136.68 104.48 1223.17 20.02 0.00 0.00 0.00 0.00 14:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1443.86 1443.86 1375.89 1375.89 0.00 0.00 0.00 0.00 14:30:01 ens3 62.97 49.89 236.94 13.12 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1106.05 1106.05 1053.78 1053.78 0.00 0.00 0.00 0.00 Average: ens3 100.08 77.37 733.39 16.59 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38544) 08/18/26 _x86_64_ (4 CPU) 14:07:15 LINUX RESTART (4 CPU) 14:10:04 CPU %user %nice %system %iowait %steal %idle 14:20:07 all 63.87 0.00 2.46 0.13 0.11 33.43 14:20:07 0 65.70 0.00 2.28 0.16 0.10 31.76 14:20:07 1 62.80 0.00 2.80 0.13 0.11 34.17 14:20:07 2 64.11 0.00 2.17 0.12 0.11 33.50 14:20:07 3 62.88 0.00 2.59 0.11 0.11 34.30 14:30:01 all 56.71 0.00 2.43 0.08 0.10 40.67 14:30:01 0 55.03 0.00 2.34 0.08 0.11 42.44 14:30:01 1 57.64 0.00 2.32 0.12 0.10 39.81 14:30:01 2 54.43 0.00 2.50 0.08 0.10 42.89 14:30:01 3 59.72 0.00 2.58 0.06 0.10 37.54 Average: all 60.31 0.00 2.45 0.11 0.10 37.03 Average: 0 60.40 0.00 2.31 0.12 0.10 37.06 Average: 1 60.24 0.00 2.57 0.12 0.10 36.97 Average: 2 59.31 0.00 2.33 0.10 0.10 38.16 Average: 3 61.31 0.00 2.59 0.08 0.11 35.91