---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9702 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 605 10478 4 4905 15041 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:47:b3:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84540sec preferred_lft 84540sec inet6 fe80::f816:3eff:fe47:b3ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:8a:3f:79:0e:1a 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-9702) 02/12/26 _x86_64_ (4 CPU) 09:25:51 LINUX RESTART (4 CPU) 09:30:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:01 8.10 0.52 7.01 0.58 435.49 1165.70 30300.80 09:50:04 8.58 0.52 7.73 0.33 19.10 2294.09 887.22 Average: 8.35 0.52 7.38 0.45 221.11 1746.66 15156.87 09:30:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:01 8234036 11320908 4641176 28.35 112672 3143748 4823680 27.69 608340 7190288 592 09:50:04 9059900 12828164 3130156 19.12 130240 3769952 3299972 18.94 713424 6190392 28780 Average: 8646968 12074536 3885666 23.73 121456 3456850 4061826 23.31 660882 6690340 14686 09:30:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:01 lo 0.66 0.66 0.41 0.41 0.00 0.00 0.00 0.00 09:40:01 ens3 24.50 16.71 258.58 2.63 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:04 lo 164.39 164.39 156.46 156.46 0.00 0.00 0.00 0.00 09:50:04 ens3 33.50 24.92 406.97 3.21 0.00 0.00 0.00 0.00 09:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 84.96 84.96 80.75 80.75 0.00 0.00 0.00 0.00 Average: ens3 29.13 20.94 334.98 2.93 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-9702) 02/12/26 _x86_64_ (4 CPU) 09:25:51 LINUX RESTART (4 CPU) 09:30:32 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 47.23 0.00 0.78 0.39 0.09 51.52 09:40:01 0 46.18 0.00 0.68 0.12 0.09 52.94 09:40:01 1 50.54 0.00 0.75 0.23 0.08 48.40 09:40:01 2 53.23 0.00 0.95 0.89 0.10 44.83 09:40:01 3 38.96 0.00 0.73 0.32 0.08 59.92 09:50:04 all 42.44 0.00 0.81 6.04 0.10 50.62 09:50:04 0 31.90 0.00 1.08 4.50 0.08 62.44 09:50:04 1 30.80 0.00 0.62 4.63 0.08 63.86 09:50:04 2 34.80 0.00 0.71 10.58 0.09 53.81 09:50:04 3 72.32 0.00 0.82 4.44 0.13 22.29 Average: all 44.76 0.00 0.79 3.30 0.09 51.05 Average: 0 38.83 0.00 0.89 2.37 0.08 57.83 Average: 1 40.36 0.00 0.68 2.50 0.08 56.37 Average: 2 43.75 0.00 0.83 5.88 0.09 49.45 Average: 3 56.13 0.00 0.78 2.44 0.10 40.55