---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10277 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: 5600.00 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 10G 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 666 10729 4 4592 14979 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:ea:80:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84875sec preferred_lft 84875sec inet6 fe80::f816:3eff:feea:809d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:d8:f0:86:b1:0c 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-10277) 02/13/26 _x86_64_ (4 CPU) 21:55:32 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 53.42 3.10 42.14 8.18 751.30 5375.24 21547.25 22:20:01 26.57 0.15 22.15 4.26 6.60 3099.96 3664.12 Average: 39.99 1.63 32.15 6.22 378.97 4237.68 12606.28 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 10172736 13869512 2086508 12.74 165268 3641316 2418848 13.88 786964 5017212 56920 22:20:01 11052612 15390788 560396 3.42 199992 4198872 1139912 6.54 977752 3861708 3020 Average: 10612674 14630150 1323452 8.08 182630 3920094 1779380 10.21 882358 4439460 29970 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 lo 4358.30 4358.30 4153.33 4153.33 0.00 0.00 0.00 0.00 22:10:01 ens3 166.53 122.48 1026.79 30.74 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 2195.62 2195.62 2076.96 2076.96 0.00 0.00 0.00 0.00 22:20:01 ens3 137.00 128.13 129.92 183.45 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3277.03 3277.03 3115.21 3115.21 0.00 0.00 0.00 0.00 Average: ens3 151.76 125.30 578.38 107.09 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-10277) 02/13/26 _x86_64_ (4 CPU) 21:55:32 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 64.96 0.00 3.82 0.26 0.09 30.88 22:10:01 0 64.27 0.00 3.73 0.25 0.09 31.66 22:10:01 1 64.19 0.00 3.57 0.17 0.09 31.99 22:10:01 2 66.47 0.00 4.25 0.41 0.09 28.78 22:10:01 3 64.89 0.00 3.74 0.21 0.09 31.08 22:20:01 all 40.92 0.00 2.25 0.12 0.08 56.63 22:20:01 0 41.11 0.00 2.03 0.17 0.08 56.61 22:20:01 1 42.30 0.00 2.35 0.12 0.08 55.15 22:20:01 2 40.53 0.00 2.66 0.09 0.08 56.64 22:20:01 3 39.75 0.00 1.95 0.08 0.08 58.14 Average: all 52.93 0.00 3.03 0.19 0.08 43.76 Average: 0 52.68 0.00 2.88 0.21 0.08 44.15 Average: 1 53.23 0.00 2.96 0.15 0.08 43.59 Average: 2 53.49 0.00 3.46 0.25 0.08 42.71 Average: 3 52.32 0.00 2.84 0.14 0.08 44.61