---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24996 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 668 10072 4 5248 14978 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:2f:4f:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84506sec preferred_lft 84506sec inet6 fe80::f816:3eff:fe2f:4f60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:3a:a4:e8:d9:25 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-24996) 03/01/26 _x86_64_ (4 CPU) 18:21:36 LINUX RESTART (4 CPU) 18:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:13 12.86 0.02 10.78 2.06 0.28 721.00 47663.83 18:50:01 37.53 0.20 32.53 4.80 6.19 6816.52 28690.02 Average: 25.07 0.11 21.55 3.42 3.20 3738.60 38270.81 18:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:13 9607060 12901316 3058576 18.68 155060 3271784 3261284 18.72 675008 5703548 160 18:50:01 7608804 12649464 3299960 20.15 191016 4885796 3368240 19.33 1318776 6929212 10492 Average: 8607932 12775390 3179268 19.42 173038 4078790 3314762 19.03 996892 6316380 5326 18:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:13 lo 55.56 55.56 13.78 13.78 0.00 0.00 0.00 0.00 18:40:13 ens3 6.63 4.80 3.94 1.48 0.00 0.00 0.00 0.00 18:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2267.16 2267.16 2180.58 2180.58 0.00 0.00 0.00 0.00 18:50:01 ens3 70.71 53.39 470.30 15.29 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1150.42 1150.42 1086.45 1086.45 0.00 0.00 0.00 0.00 Average: ens3 38.35 28.86 234.81 8.32 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-24996) 03/01/26 _x86_64_ (4 CPU) 18:21:36 LINUX RESTART (4 CPU) 18:30:13 CPU %user %nice %system %iowait %steal %idle 18:40:13 all 15.10 0.00 0.79 0.12 0.12 83.88 18:40:13 0 15.38 0.00 0.82 0.27 0.12 83.41 18:40:13 1 15.14 0.00 0.81 0.04 0.12 83.89 18:40:13 2 15.18 0.00 0.82 0.11 0.13 83.77 18:40:13 3 14.68 0.00 0.72 0.05 0.12 84.44 18:50:01 all 53.27 0.00 2.79 0.18 0.10 43.67 18:50:01 0 53.06 0.00 2.67 0.09 0.10 44.07 18:50:01 1 53.40 0.00 3.03 0.07 0.10 43.39 18:50:01 2 53.34 0.00 3.10 0.11 0.11 43.35 18:50:01 3 53.26 0.00 2.34 0.43 0.11 43.86 Average: all 33.96 0.00 1.78 0.15 0.11 64.00 Average: 0 34.00 0.00 1.73 0.18 0.11 63.97 Average: 1 34.06 0.00 1.91 0.05 0.11 63.86 Average: 2 34.04 0.00 1.94 0.11 0.12 63.79 Average: 3 33.74 0.00 1.52 0.24 0.11 64.39