---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9141 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 12G 66G 16% / 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 660 8837 4 6491 14986 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:78:40:01 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 84586sec preferred_lft 84586sec inet6 fe80::f816:3eff:fe78:4001/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:ab:40:5d:2c:5f 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-9141) 02/10/26 _x86_64_ (4 CPU) 12:03:19 LINUX RESTART (4 CPU) 12:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:01 26.49 0.02 23.50 2.98 0.36 2322.59 19374.83 12:30:02 23.20 0.02 20.98 2.20 0.45 4168.52 13615.53 Average: 24.85 0.02 22.24 2.59 0.41 3246.36 16492.65 12:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:01 8984924 12775224 3181796 19.43 142796 3762904 3279824 18.83 848856 6140908 115544 12:30:02 5491212 10184148 5769188 35.24 155412 4614204 5600128 32.14 1125688 9300532 376 Average: 7238068 11479686 4475492 27.33 149104 4188554 4439976 25.49 987272 7720720 57960 12:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:01 lo 1439.33 1439.33 1365.29 1365.29 0.00 0.00 0.00 0.00 12:20:01 ens3 23.93 19.70 10.79 6.53 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:02 lo 861.98 861.98 3071.11 3071.11 0.00 0.00 0.00 0.00 12:30:02 ens3 22.57 19.15 24.75 6.30 0.00 0.00 0.00 0.00 12:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1150.40 1150.40 2218.95 2218.95 0.00 0.00 0.00 0.00 Average: ens3 23.25 19.43 17.78 6.42 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-9141) 02/10/26 _x86_64_ (4 CPU) 12:03:19 LINUX RESTART (4 CPU) 12:10:02 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 64.36 0.00 2.39 0.24 0.13 32.89 12:20:01 0 64.51 0.00 2.24 0.22 0.13 32.90 12:20:01 1 65.55 0.00 2.52 0.18 0.12 31.63 12:20:01 2 63.54 0.00 2.64 0.23 0.13 33.46 12:20:01 3 63.84 0.00 2.14 0.35 0.12 33.55 12:30:02 all 53.34 0.00 1.93 0.29 0.11 44.33 12:30:02 0 50.25 0.00 1.92 0.20 0.11 47.53 12:30:02 1 48.94 0.00 1.65 0.33 0.12 48.96 12:30:02 2 56.12 0.00 2.00 0.31 0.12 41.46 12:30:02 3 58.04 0.00 2.15 0.34 0.12 39.36 Average: all 58.84 0.00 2.16 0.27 0.12 38.62 Average: 0 57.36 0.00 2.08 0.21 0.12 40.23 Average: 1 57.23 0.00 2.08 0.26 0.12 40.31 Average: 2 59.82 0.00 2.32 0.27 0.12 37.47 Average: 3 60.93 0.00 2.14 0.34 0.12 36.46