---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39439 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 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 731 9188 4 6069 14915 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:bd:63:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84429sec preferred_lft 84429sec inet6 fe80::f816:3eff:febd:63c2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:08:f4:62:2e:14 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-39439) 08/21/26 _x86_64_ (4 CPU) 08:01:17 LINUX RESTART (4 CPU) 08:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:05 32.32 0.14 28.70 3.49 6.72 2951.48 14428.35 08:30:07 23.45 0.16 20.32 2.97 10.17 6873.97 6026.03 Average: 27.88 0.15 24.50 3.23 8.45 4916.48 10219.15 08:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:05 9045200 13421236 2530444 15.45 175388 4260676 2737268 15.71 832732 6039848 26216 08:30:07 9485924 15339464 605132 3.70 208700 5611368 1115412 6.40 982016 5319824 616 Average: 9265562 14380350 1567788 9.58 192044 4936022 1926340 11.06 907374 5679836 13416 08:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:05 lo 1641.28 1641.28 1564.97 1564.97 0.00 0.00 0.00 0.00 08:20:05 ens3 53.18 41.86 206.34 12.68 0.00 0.00 0.00 0.00 08:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:07 lo 299.17 299.17 282.37 282.37 0.00 0.00 0.00 0.00 08:30:07 ens3 61.07 48.37 111.30 52.53 0.00 0.00 0.00 0.00 08:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 968.94 968.94 922.44 922.44 0.00 0.00 0.00 0.00 Average: ens3 57.13 45.12 158.73 32.64 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-39439) 08/21/26 _x86_64_ (4 CPU) 08:01:17 LINUX RESTART (4 CPU) 08:10:05 CPU %user %nice %system %iowait %steal %idle 08:20:05 all 61.64 0.00 2.67 0.08 0.11 35.50 08:20:05 0 59.95 0.00 2.63 0.09 0.11 37.22 08:20:05 1 63.36 0.00 2.76 0.09 0.12 33.67 08:20:05 2 62.08 0.00 2.66 0.11 0.11 35.05 08:20:05 3 61.17 0.00 2.63 0.04 0.11 36.05 08:30:07 all 54.52 0.00 1.93 0.09 0.11 43.35 08:30:07 0 57.41 0.00 1.92 0.11 0.10 40.45 08:30:07 1 57.73 0.00 2.40 0.03 0.11 39.72 08:30:07 2 49.38 0.00 1.58 0.11 0.11 48.82 08:30:07 3 53.57 0.00 1.82 0.09 0.11 44.41 Average: all 58.07 0.00 2.30 0.08 0.11 39.44 Average: 0 58.68 0.00 2.27 0.10 0.11 38.84 Average: 1 60.53 0.00 2.58 0.06 0.12 36.71 Average: 2 55.71 0.00 2.12 0.11 0.11 41.95 Average: 3 57.36 0.00 2.22 0.07 0.11 40.24