---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8458 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 9.9G 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 663 10868 4 4457 14983 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:0c:75:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84902sec preferred_lft 84902sec inet6 fe80::f816:3eff:fe0c:751f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:cc:64:14:f3:78 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-8458) 02/07/26 _x86_64_ (4 CPU) 10:47:57 LINUX RESTART (4 CPU) 10:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 27.36 1.92 11.45 13.99 683.76 3213.13 262558.49 11:10:16 13.11 0.52 11.76 0.83 19.02 1877.59 4501.09 Average: 20.14 1.21 11.61 7.32 346.84 2536.21 131763.12 10:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 8172096 11444356 4516684 27.59 113772 3324996 4765584 27.35 678608 7177936 324 11:10:16 7844972 11818440 4138388 25.28 132864 3968940 4368120 25.07 889888 7251548 269596 Average: 8008534 11631398 4327536 26.43 123318 3646968 4566852 26.21 784248 7214742 134960 10:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 0.69 0.69 0.39 0.39 0.00 0.00 0.00 0.00 11:00:01 ens3 38.42 27.35 438.58 5.16 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:16 lo 271.15 271.15 258.03 258.03 0.00 0.00 0.00 0.00 11:10:16 ens3 37.92 26.89 401.14 4.91 0.00 0.00 0.00 0.00 11:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 137.77 137.77 130.98 130.98 0.00 0.00 0.00 0.00 Average: ens3 38.17 27.12 419.60 5.03 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-8458) 02/07/26 _x86_64_ (4 CPU) 10:47:57 LINUX RESTART (4 CPU) 10:50:04 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 49.18 0.00 0.97 0.08 0.08 49.70 11:00:01 0 40.43 0.00 0.83 0.11 0.08 58.56 11:00:01 1 53.57 0.00 1.19 0.08 0.08 45.07 11:00:01 2 53.96 0.00 0.93 0.07 0.08 44.96 11:00:01 3 48.78 0.00 0.90 0.05 0.08 50.18 11:10:16 all 48.83 0.00 0.99 0.06 0.08 50.05 11:10:16 0 48.42 0.00 1.04 0.02 0.08 50.44 11:10:16 1 38.53 0.00 0.94 0.04 0.07 60.42 11:10:16 2 72.17 0.00 1.06 0.09 0.08 26.60 11:10:16 3 36.22 0.00 0.90 0.08 0.08 62.72 Average: all 49.00 0.00 0.98 0.07 0.08 49.87 Average: 0 44.47 0.00 0.94 0.06 0.08 54.45 Average: 1 45.96 0.00 1.07 0.06 0.08 52.84 Average: 2 63.18 0.00 1.00 0.08 0.08 35.66 Average: 3 42.41 0.00 0.90 0.07 0.08 56.54