---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11820 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 11G 67G 14% / 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 635 9877 4 5476 15011 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:84:d4:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84446sec preferred_lft 84446sec inet6 fe80::f816:3eff:fe84:d4db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:e7:93:80:36:bb 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11820) 12/09/25 _x86_64_ (4 CPU) 02:16:11 LINUX RESTART (4 CPU) 02:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 68.95 0.91 46.67 21.37 636.93 3491.57 391997.58 02:40:16 22.37 0.16 18.98 3.23 4.90 1590.63 22868.76 Average: 45.13 0.53 32.51 12.09 313.72 2519.47 203233.43 02:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 9516920 13042384 2917464 17.82 152748 3507748 3233724 18.56 866892 5620812 1180 02:40:16 9176960 13067728 2888760 17.64 170880 3827108 3147760 18.07 987484 5808848 34384 Average: 9346940 13055056 2903112 17.73 161814 3667428 3190742 18.31 927188 5714830 17782 02:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 22.60 22.60 5.03 5.03 0.00 0.00 0.00 0.00 02:30:01 ens3 28.01 20.88 217.84 6.10 0.00 0.00 0.00 0.00 02:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:16 lo 1235.62 1235.62 1146.74 1146.74 0.00 0.00 0.00 0.00 02:40:16 ens3 39.64 29.35 253.03 7.15 0.00 0.00 0.00 0.00 02:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 642.91 642.91 588.87 588.87 0.00 0.00 0.00 0.00 Average: ens3 33.96 25.21 235.83 6.64 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11820) 12/09/25 _x86_64_ (4 CPU) 02:16:11 LINUX RESTART (4 CPU) 02:20:14 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 36.07 0.00 1.42 0.99 0.09 61.43 02:30:01 0 35.90 0.00 1.49 0.46 0.09 62.06 02:30:01 1 35.15 0.00 1.52 2.23 0.09 61.01 02:30:01 2 36.58 0.00 1.18 0.65 0.09 61.50 02:30:01 3 36.65 0.00 1.48 0.61 0.10 61.16 02:40:16 all 27.42 0.00 1.62 0.10 0.09 70.77 02:40:16 0 27.42 0.00 1.85 0.12 0.09 70.52 02:40:16 1 27.37 0.00 1.53 0.07 0.09 70.95 02:40:16 2 28.01 0.00 1.54 0.06 0.09 70.30 02:40:16 3 26.88 0.00 1.56 0.17 0.09 71.30 Average: all 31.64 0.00 1.52 0.53 0.09 66.21 Average: 0 31.56 0.00 1.68 0.28 0.09 66.39 Average: 1 31.16 0.00 1.52 1.12 0.09 66.10 Average: 2 32.20 0.00 1.36 0.35 0.09 66.00 Average: 3 31.65 0.00 1.52 0.38 0.09 66.35