---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36965 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 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 740 9405 4 5843 14905 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:7e:5b:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84550sec preferred_lft 84550sec inet6 fe80::f816:3eff:fe7e:5bde/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:fb:e5:b0:3d:c8 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-36965) 08/12/26 _x86_64_ (4 CPU) 15:47:56 LINUX RESTART (4 CPU) 15:50:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:01 24.52 3.00 19.73 1.80 369.77 5064.54 7270.02 16:10:06 32.48 0.05 28.97 3.46 1.56 3191.25 22358.96 Average: 28.61 1.48 24.47 2.65 180.78 4103.04 15014.69 15:50:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:01 9155608 13146280 2809592 17.16 155484 3915592 2982452 17.12 774732 6007924 120996 16:10:06 7640404 13004864 2944060 17.98 185644 5188360 3075436 17.65 1085644 7137844 889284 Average: 8398006 13075572 2876826 17.57 170564 4551976 3028944 17.39 930188 6572884 505140 15:50:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:01 lo 682.31 682.31 649.75 649.75 0.00 0.00 0.00 0.00 16:00:01 ens3 122.24 91.53 931.56 18.88 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:06 lo 1579.63 1579.63 1505.85 1505.85 0.00 0.00 0.00 0.00 16:10:06 ens3 58.45 45.88 214.49 12.89 0.00 0.00 0.00 0.00 16:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1142.88 1142.88 1089.15 1089.15 0.00 0.00 0.00 0.00 Average: ens3 89.50 68.10 563.51 15.80 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-36965) 08/12/26 _x86_64_ (4 CPU) 15:47:56 LINUX RESTART (4 CPU) 15:50:28 CPU %user %nice %system %iowait %steal %idle 16:00:01 all 58.81 0.00 1.98 0.07 0.08 39.06 16:00:01 0 58.77 0.00 2.09 0.08 0.08 38.98 16:00:01 1 60.12 0.00 1.86 0.04 0.08 37.90 16:00:01 2 57.84 0.00 2.02 0.11 0.08 39.95 16:00:01 3 58.49 0.00 1.96 0.06 0.08 39.41 16:10:06 all 56.21 0.00 2.48 0.31 0.09 40.91 16:10:06 0 55.35 0.00 2.53 0.17 0.09 41.87 16:10:06 1 57.13 0.00 2.45 0.84 0.09 39.48 16:10:06 2 55.64 0.00 2.36 0.14 0.09 41.78 16:10:06 3 56.74 0.00 2.55 0.10 0.09 40.52 Average: all 57.48 0.00 2.23 0.20 0.08 40.01 Average: 0 57.01 0.00 2.32 0.13 0.08 40.46 Average: 1 58.58 0.00 2.16 0.45 0.09 38.71 Average: 2 56.71 0.00 2.19 0.13 0.08 40.89 Average: 3 57.59 0.00 2.26 0.08 0.08 39.98