---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9802 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 68G 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 716 10601 4 4671 14930 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:d6:eb:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84492sec preferred_lft 84492sec inet6 fe80::f816:3eff:fed6:eb1f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:47:97:47:f5:ac 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-9802) 02/12/26 _x86_64_ (4 CPU) 14:03:07 LINUX RESTART (4 CPU) 14:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 10.98 0.54 9.34 1.09 17.32 2469.11 2500.46 14:30:02 27.28 0.57 22.29 4.42 25.16 3597.32 2247.24 Average: 19.22 0.56 15.89 2.77 21.29 3039.48 2372.44 14:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 9329240 12940352 3015340 18.42 149548 3550296 3236964 18.58 686580 5930400 81276 14:30:02 10953892 15381884 568704 3.47 170156 4298272 1098716 6.31 916152 4020592 10128 Average: 10141566 14161118 1792022 10.94 159852 3924284 2167840 12.44 801366 4975496 45702 14:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 14:20:01 ens3 76.49 58.16 201.96 18.10 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:02 lo 2153.50 2153.50 2042.25 2042.25 0.00 0.00 0.00 0.00 14:30:02 ens3 114.63 103.32 358.00 196.32 0.00 0.00 0.00 0.00 14:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1089.43 1089.43 1032.55 1032.55 0.00 0.00 0.00 0.00 Average: ens3 95.77 80.99 280.85 108.20 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-9802) 02/12/26 _x86_64_ (4 CPU) 14:03:07 LINUX RESTART (4 CPU) 14:10:14 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 72.94 0.00 2.28 0.03 0.11 24.64 14:20:01 0 74.80 0.00 2.39 0.04 0.11 22.67 14:20:01 1 72.54 0.00 2.15 0.02 0.11 25.19 14:20:01 2 71.16 0.00 2.27 0.04 0.11 26.42 14:20:01 3 73.25 0.00 2.31 0.04 0.12 24.28 14:30:02 all 38.27 0.00 2.11 3.07 0.08 56.47 14:30:02 0 37.70 0.00 2.00 2.35 0.08 57.87 14:30:02 1 39.40 0.00 2.15 3.40 0.08 54.97 14:30:02 2 36.09 0.00 1.99 3.59 0.08 58.25 14:30:02 3 39.89 0.00 2.30 2.94 0.08 54.78 Average: all 55.41 0.00 2.19 1.57 0.10 40.73 Average: 0 56.03 0.00 2.19 1.21 0.09 40.47 Average: 1 55.79 0.00 2.15 1.72 0.10 40.24 Average: 2 53.42 0.00 2.13 1.84 0.09 42.52 Average: 3 56.39 0.00 2.31 1.50 0.10 39.69