---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25099 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 668 9826 4 5494 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:68:d3:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84691sec preferred_lft 84691sec inet6 fe80::f816:3eff:fe68:d30a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:c0:e5:b2:8b:2e 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-25099) 03/01/26 _x86_64_ (4 CPU) 22:53:30 LINUX RESTART (4 CPU) 23:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:01 33.05 0.15 29.20 3.70 6.64 3066.08 19859.12 23:20:05 27.23 0.17 24.24 2.82 6.68 6711.25 3798.32 Average: 30.12 0.16 26.71 3.25 6.66 4898.98 11783.28 23:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:01 9479412 13291744 2663472 16.27 164532 3727148 3097520 17.78 768136 5695700 24304 23:20:05 10137620 15401068 546268 3.34 201736 5048148 1114288 6.40 921372 4766480 336 Average: 9808516 14346406 1604870 9.80 183134 4387648 2105904 12.09 844754 5231090 12320 23:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:01 lo 1567.68 1567.68 1494.04 1494.04 0.00 0.00 0.00 0.00 23:10:01 ens3 50.14 41.14 203.11 13.15 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:05 lo 266.64 266.64 248.74 248.74 0.00 0.00 0.00 0.00 23:20:05 ens3 61.88 54.80 113.22 164.67 0.00 0.00 0.00 0.00 23:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 913.48 913.48 867.86 867.86 0.00 0.00 0.00 0.00 Average: ens3 56.05 48.01 157.91 89.34 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-25099) 03/01/26 _x86_64_ (4 CPU) 22:53:30 LINUX RESTART (4 CPU) 23:00:05 CPU %user %nice %system %iowait %steal %idle 23:10:01 all 62.30 0.00 2.48 0.13 0.11 34.97 23:10:01 0 62.12 0.00 2.25 0.08 0.10 35.44 23:10:01 1 62.30 0.00 2.64 0.09 0.11 34.86 23:10:01 2 63.38 0.00 2.92 0.25 0.11 33.35 23:10:01 3 61.41 0.00 2.12 0.11 0.11 36.25 23:20:05 all 54.69 0.00 1.89 0.23 0.11 43.08 23:20:05 0 51.31 0.00 1.68 0.37 0.11 46.53 23:20:05 1 56.88 0.00 2.28 0.14 0.12 40.59 23:20:05 2 52.95 0.00 1.57 0.29 0.10 45.07 23:20:05 3 57.63 0.00 2.04 0.10 0.11 40.12 Average: all 58.47 0.00 2.19 0.18 0.11 39.05 Average: 0 56.68 0.00 1.97 0.23 0.11 41.02 Average: 1 59.57 0.00 2.46 0.11 0.12 37.75 Average: 2 58.13 0.00 2.24 0.27 0.11 39.25 Average: 3 59.51 0.00 2.08 0.10 0.11 38.20