---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38161 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 655 10822 4 4511 14991 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:8f:74:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84793sec preferred_lft 84793sec inet6 fe80::f816:3eff:fe8f:7497/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:94:02:30:ee:d0 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38161) 07/23/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:21 44.72 2.70 35.26 6.75 338.57 4296.78 23165.00 22:20:07 33.57 0.16 27.42 5.98 10.20 3547.54 10293.32 Average: 39.30 1.47 31.45 6.38 178.90 3932.46 16906.21 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:21 10202424 13712160 2246148 13.72 156916 3466348 2453972 14.09 630552 5145084 25492 22:20:07 11114640 15370684 581924 3.55 199588 4109508 1103252 6.33 847032 3920144 140 Average: 10658532 14541422 1414036 8.64 178252 3787928 1778612 10.21 738792 4532614 12816 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:21 lo 3639.76 3639.76 3471.19 3471.19 0.00 0.00 0.00 0.00 22:10:21 ens3 149.82 115.11 816.14 29.24 0.00 0.00 0.00 0.00 22:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:07 lo 2545.18 2545.18 2414.55 2414.55 0.00 0.00 0.00 0.00 22:20:07 ens3 115.46 102.06 126.32 143.12 0.00 0.00 0.00 0.00 22:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3107.53 3107.53 2957.40 2957.40 0.00 0.00 0.00 0.00 Average: ens3 133.11 108.77 480.72 84.62 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38161) 07/23/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:21 all 55.71 0.00 3.30 0.97 0.10 39.92 22:10:21 0 55.09 0.00 3.18 0.93 0.09 40.70 22:10:21 1 55.71 0.00 3.36 0.38 0.10 40.46 22:10:21 2 55.70 0.00 3.15 1.59 0.10 39.47 22:10:21 3 56.35 0.00 3.51 0.97 0.10 39.07 22:20:07 all 42.55 0.00 2.48 0.11 0.08 54.77 22:20:07 0 43.03 0.00 2.67 0.04 0.08 54.17 22:20:07 1 39.97 0.00 2.32 0.08 0.08 57.55 22:20:07 2 41.97 0.00 2.39 0.14 0.08 55.42 22:20:07 3 45.24 0.00 2.54 0.20 0.08 51.94 Average: all 49.31 0.00 2.90 0.55 0.09 47.15 Average: 0 49.22 0.00 2.93 0.50 0.09 47.26 Average: 1 48.04 0.00 2.85 0.23 0.09 48.79 Average: 2 49.02 0.00 2.78 0.88 0.09 47.23 Average: 3 50.95 0.00 3.04 0.59 0.09 45.33