---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41245 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 13G 65G 17% / 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 661 7902 4 7425 14984 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:fc:c5:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83761sec preferred_lft 83761sec inet6 fe80::f816:3eff:fefc:c58f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:44:f0:ad:b8:b5 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-41245) 08/26/26 _x86_64_ (4 CPU) 12:41:10 LINUX RESTART (4 CPU) 12:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:14 21.72 0.07 19.32 2.33 6.53 2120.97 5248.19 13:10:01 33.95 0.02 30.51 3.42 0.53 4605.88 11854.03 13:20:14 22.80 11.67 10.76 0.38 130.57 6101.62 50182.75 Average: 26.08 4.00 20.06 2.02 46.80 4286.70 22698.54 12:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:14 8558296 12793604 3159844 19.30 156916 4163656 3167364 18.18 779172 6599928 190128 13:10:01 7358940 12442004 3507428 21.42 173524 4957876 3425832 19.66 1045644 7485448 2828 13:20:14 5867536 12771904 3170928 19.37 191492 6687432 3215708 18.46 1747128 8198344 22720 Average: 7261591 12669171 3279400 20.03 173977 5269655 3269635 18.77 1190648 7427907 71892 12:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:14 lo 1154.64 1154.64 1093.66 1093.66 0.00 0.00 0.00 0.00 13:00:14 ens3 37.04 30.29 42.67 10.22 0.00 0.00 0.00 0.00 13:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 1450.81 1450.81 1382.31 1382.31 0.00 0.00 0.00 0.00 13:10:01 ens3 41.79 33.79 25.95 12.07 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:14 lo 2502.30 2502.30 9098.12 9098.12 0.00 0.00 0.00 0.00 13:20:14 ens3 20.40 17.59 119.05 4.20 0.00 0.00 0.00 0.00 13:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1710.00 1710.00 3912.43 3912.43 0.00 0.00 0.00 0.00 Average: ens3 32.93 27.11 63.21 8.77 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-41245) 08/26/26 _x86_64_ (4 CPU) 12:41:10 LINUX RESTART (4 CPU) 12:50:14 CPU %user %nice %system %iowait %steal %idle 13:00:14 all 65.70 0.00 2.21 0.04 0.11 31.94 13:00:14 0 66.29 0.00 2.09 0.03 0.11 31.48 13:00:14 1 66.26 0.00 2.27 0.02 0.11 31.34 13:00:14 2 64.96 0.00 2.25 0.07 0.11 32.61 13:00:14 3 65.27 0.00 2.22 0.06 0.11 32.34 13:10:01 all 61.59 0.00 2.67 1.36 0.11 34.27 13:10:01 0 59.64 0.00 2.44 3.32 0.11 34.48 13:10:01 1 61.25 0.00 2.35 0.46 0.10 35.84 13:10:01 2 63.25 0.00 2.72 1.60 0.11 32.32 13:10:01 3 62.23 0.00 3.16 0.05 0.11 34.45 13:20:14 all 31.59 0.08 1.43 0.67 0.09 66.14 13:20:14 0 33.03 0.01 1.69 0.42 0.09 64.76 13:20:14 1 32.99 0.21 1.16 0.34 0.09 65.21 13:20:14 2 26.95 0.08 1.66 0.59 0.09 70.62 13:20:14 3 33.39 0.00 1.19 1.34 0.08 63.99 Average: all 52.74 0.03 2.09 0.69 0.10 44.36 Average: 0 52.79 0.00 2.07 1.23 0.10 43.80 Average: 1 53.30 0.07 1.92 0.27 0.10 44.34 Average: 2 51.44 0.03 2.20 0.75 0.10 45.48 Average: 3 53.41 0.00 2.18 0.49 0.10 43.83