---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39143 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 758 8978 4 6252 14888 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:86:39:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83971sec preferred_lft 83971sec inet6 fe80::f816:3eff:fe86:39df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:df:d0:ac:6a:64 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-39143) 08/20/26 _x86_64_ (4 CPU) 20:24:54 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 35.41 2.63 18.03 14.74 365.43 4462.96 267835.74 20:50:16 61.35 0.36 47.36 13.64 11.09 4336.61 9795.67 21:00:10 38.23 0.15 31.39 6.69 10.52 5173.65 10731.93 Average: 45.13 1.05 32.37 11.72 128.62 4653.70 95827.43 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 9659436 13665444 2290076 13.99 170132 3922684 2562272 14.71 713924 5567528 105052 20:50:16 8104796 13033408 2914384 17.80 214460 4726464 3064312 17.59 920472 6842532 116248 21:00:10 9318276 15354748 588424 3.59 249936 5736508 1122180 6.44 1303260 5157612 104 Average: 9027503 14017867 1930961 11.79 211509 4795219 2249588 12.91 979219 5855891 73801 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 20:40:03 ens3 140.42 104.49 813.83 23.76 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:16 lo 5494.64 5494.64 5240.82 5240.82 0.00 0.00 0.00 0.00 20:50:16 ens3 92.88 68.15 319.67 20.62 0.00 0.00 0.00 0.00 20:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:10 lo 3051.60 3051.60 2901.66 2901.66 0.00 0.00 0.00 0.00 21:00:10 ens3 97.66 82.31 134.16 96.40 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2866.74 2866.74 2730.99 2730.99 0.00 0.00 0.00 0.00 Average: ens3 110.24 84.88 422.87 46.57 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-39143) 08/20/26 _x86_64_ (4 CPU) 20:24:54 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 66.19 0.00 2.48 0.33 0.12 30.88 20:40:03 0 65.62 0.00 2.47 0.25 0.12 31.54 20:40:03 1 66.56 0.00 2.48 0.64 0.12 30.20 20:40:03 2 64.22 0.00 2.29 0.15 0.12 33.23 20:40:03 3 68.37 0.00 2.70 0.27 0.12 28.53 20:50:16 all 62.52 0.00 4.19 0.14 0.11 33.04 20:50:16 0 61.86 0.00 3.36 0.15 0.10 34.52 20:50:16 1 62.24 0.00 4.33 0.19 0.11 33.13 20:50:16 2 62.52 0.00 4.03 0.10 0.11 33.24 20:50:16 3 63.47 0.00 5.05 0.10 0.11 31.27 21:00:10 all 52.10 0.00 3.07 0.14 0.09 44.60 21:00:10 0 51.02 0.00 2.87 0.26 0.09 45.76 21:00:10 1 53.09 0.00 3.11 0.09 0.09 43.62 21:00:10 2 51.12 0.00 3.19 0.16 0.09 45.44 21:00:10 3 53.14 0.00 3.11 0.06 0.09 43.59 Average: all 60.31 0.00 3.26 0.20 0.10 36.12 Average: 0 59.55 0.00 2.90 0.22 0.10 37.22 Average: 1 60.66 0.00 3.31 0.31 0.10 35.61 Average: 2 59.33 0.00 3.18 0.14 0.10 37.25 Average: 3 61.70 0.00 3.63 0.15 0.11 34.41