---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39311 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 10G 68G 13% / 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 662 11016 4 4310 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:0d:f0:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84312sec preferred_lft 84312sec inet6 fe80::f816:3eff:fe0d:f0e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:20:16:92:0c:23 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-39311) 08/21/26 _x86_64_ (4 CPU) 02:58:07 LINUX RESTART (4 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 17.97 0.23 4.56 13.18 27.30 791.00 247127.20 03:20:12 1.66 0.02 1.64 0.00 1.66 19.25 0.04 03:30:08 71.59 5.11 62.70 3.78 298.69 6043.13 9080.90 Average: 30.16 1.77 22.76 5.63 108.22 2263.95 85080.90 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 13486844 15482976 531328 3.25 59612 2160372 1142948 6.56 220908 2401824 200 03:20:12 13490244 15487652 526704 3.22 60252 2160996 1142276 6.56 221800 2404552 232 03:30:08 11285572 15342828 615996 3.76 142856 4036072 1099692 6.31 746944 3928972 491704 Average: 12754220 15437819 558009 3.41 87573 2785813 1128305 6.48 396551 2911783 164045 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 03:10:01 ens3 13.60 5.83 324.42 0.44 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:12 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 03:20:12 ens3 0.57 0.23 0.18 0.11 0.00 0.00 0.00 0.00 03:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:08 lo 771.30 771.30 734.23 734.23 0.00 0.00 0.00 0.00 03:30:08 ens3 165.40 120.09 1273.07 29.38 0.00 0.00 0.00 0.00 03:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 254.68 254.68 242.36 242.36 0.00 0.00 0.00 0.00 Average: ens3 59.30 41.65 528.03 9.88 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-39311) 08/21/26 _x86_64_ (4 CPU) 02:58:07 LINUX RESTART (4 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 0.50 0.00 0.14 0.10 0.01 99.25 03:10:01 0 0.37 0.00 0.12 0.07 0.01 99.43 03:10:01 1 0.65 0.00 0.15 0.12 0.01 99.07 03:10:01 2 0.72 0.00 0.12 0.06 0.01 99.08 03:10:01 3 0.27 0.00 0.17 0.13 0.02 99.41 03:20:12 all 0.10 0.00 0.03 0.01 0.01 99.85 03:20:12 0 0.02 0.00 0.03 0.03 0.01 99.91 03:20:12 1 0.23 0.00 0.02 0.00 0.01 99.74 03:20:12 2 0.12 0.00 0.05 0.00 0.02 99.82 03:20:12 3 0.03 0.00 0.03 0.00 0.01 99.93 03:30:08 all 44.83 0.00 2.22 0.34 0.09 52.52 03:30:08 0 44.39 0.00 2.29 0.27 0.09 52.95 03:30:08 1 44.89 0.00 2.13 0.23 0.10 52.65 03:30:08 2 45.43 0.00 2.10 0.39 0.09 51.98 03:30:08 3 44.60 0.00 2.37 0.46 0.10 52.48 Average: all 14.98 0.00 0.79 0.15 0.04 84.04 Average: 0 14.77 0.00 0.81 0.12 0.04 84.27 Average: 1 15.09 0.00 0.76 0.12 0.04 83.99 Average: 2 15.25 0.00 0.75 0.15 0.04 83.81 Average: 3 14.81 0.00 0.84 0.20 0.04 84.11