---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25086 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 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 706 9790 4 5491 14940 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:90:c3:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84700sec preferred_lft 84700sec inet6 fe80::f816:3eff:fe90:c32d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:74:d7:4c:f8:48 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-25086) 03/01/26 _x86_64_ (4 CPU) 21:52:21 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:08 37.10 0.07 33.05 3.97 1.59 3667.25 20474.76 22:20:00 19.48 0.19 16.63 2.66 12.49 5905.50 3005.69 Average: 28.41 0.13 24.95 3.33 6.97 4771.44 11856.76 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:08 9291920 13339840 2613372 15.96 175860 3928036 3196564 18.35 826660 5800260 14484 22:20:00 10122556 15386616 560388 3.42 201972 5048120 1095132 6.29 924664 4785424 13716 Average: 9707238 14363228 1586880 9.69 188916 4488078 2145848 12.32 875662 5292842 14100 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:08 lo 1651.86 1651.86 1573.86 1573.86 0.00 0.00 0.00 0.00 22:10:08 ens3 48.85 39.43 198.99 12.34 0.00 0.00 0.00 0.00 22:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:00 lo 102.77 102.77 89.14 89.14 0.00 0.00 0.00 0.00 22:20:00 ens3 82.68 77.90 124.02 232.24 0.00 0.00 0.00 0.00 22:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 887.65 887.65 841.40 841.40 0.00 0.00 0.00 0.00 Average: ens3 65.54 58.41 162.00 120.82 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-25086) 03/01/26 _x86_64_ (4 CPU) 21:52:21 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:08 all 61.86 0.00 2.57 0.07 0.11 35.39 22:10:08 0 62.15 0.00 2.54 0.09 0.11 35.11 22:10:08 1 61.40 0.00 2.55 0.10 0.11 35.85 22:10:08 2 63.39 0.00 2.78 0.03 0.11 33.70 22:10:08 3 60.50 0.00 2.42 0.04 0.11 36.92 22:20:00 all 48.23 0.00 1.63 0.05 0.08 50.00 22:20:00 0 41.66 0.00 1.35 0.03 0.08 56.88 22:20:00 1 45.02 0.00 1.34 0.03 0.08 53.54 22:20:00 2 57.11 0.00 2.01 0.05 0.09 40.74 22:20:00 3 49.15 0.00 1.83 0.11 0.08 48.83 Average: all 55.13 0.00 2.11 0.06 0.10 42.61 Average: 0 52.03 0.00 1.95 0.06 0.09 45.86 Average: 1 53.30 0.00 1.95 0.06 0.09 44.59 Average: 2 60.29 0.00 2.40 0.04 0.10 37.18 Average: 3 54.89 0.00 2.13 0.07 0.10 42.81