---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9561 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 657 9841 4 5489 14989 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:08:5b:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84496sec preferred_lft 84496sec inet6 fe80::f816:3eff:fe08:5b5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:19:a1:71:29:8d 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-9561) 02/11/26 _x86_64_ (4 CPU) 20:09:08 LINUX RESTART (4 CPU) 20:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 66.77 4.13 54.14 8.50 827.30 5484.56 172078.55 20:30:01 11.16 0.02 9.41 1.74 0.33 731.54 31139.01 20:40:15 47.92 0.46 29.09 18.37 21.01 6361.87 240684.57 Average: 41.58 1.49 30.48 9.62 271.80 4188.15 148290.73 20:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9564896 13001180 2959200 18.07 149100 3430968 3238032 18.59 845544 5594572 6276 20:30:01 9680712 13355600 2602772 15.90 159812 3636960 2840832 16.31 892096 5401516 70176 20:40:15 10132752 15399768 549216 3.35 190540 5119580 1049972 6.03 1523252 4228284 12924 Average: 9792787 13918849 2037063 12.44 166484 4062503 2376279 13.64 1086964 5074791 29792 20:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 16.79 16.79 3.70 3.70 0.00 0.00 0.00 0.00 20:20:01 ens3 83.09 64.14 764.42 13.58 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 52.06 52.06 13.65 13.65 0.00 0.00 0.00 0.00 20:30:01 ens3 6.90 6.26 4.72 2.18 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:15 lo 2140.20 2140.20 2059.54 2059.54 0.00 0.00 0.00 0.00 20:40:15 ens3 119.49 108.88 467.71 628.09 0.00 0.00 0.00 0.00 20:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 759.24 759.24 714.39 714.39 0.00 0.00 0.00 0.00 Average: ens3 69.99 60.07 406.88 221.18 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-9561) 02/11/26 _x86_64_ (4 CPU) 20:09:08 LINUX RESTART (4 CPU) 20:10:31 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 36.37 0.00 1.51 0.46 0.08 61.58 20:20:01 0 36.28 0.00 1.51 0.76 0.08 61.37 20:20:01 1 34.97 0.00 1.45 0.34 0.08 63.16 20:20:01 2 37.30 0.00 1.15 0.21 0.09 61.26 20:20:01 3 36.95 0.00 1.92 0.53 0.08 60.51 20:30:01 all 17.57 0.00 0.85 0.06 0.09 81.42 20:30:01 0 18.12 0.00 0.86 0.09 0.09 80.84 20:30:01 1 17.22 0.00 0.88 0.04 0.09 81.77 20:30:01 2 17.82 0.00 0.82 0.04 0.10 81.21 20:30:01 3 17.14 0.00 0.86 0.06 0.09 81.85 20:40:15 all 49.47 0.00 2.55 0.15 0.09 47.74 20:40:15 0 44.01 0.00 2.42 0.16 0.09 53.31 20:40:15 1 49.28 0.00 2.84 0.12 0.09 47.68 20:40:15 2 56.64 0.00 2.47 0.11 0.09 40.69 20:40:15 3 47.96 0.00 2.46 0.21 0.09 49.28 Average: all 34.54 0.00 1.64 0.22 0.09 63.50 Average: 0 32.81 0.00 1.60 0.33 0.09 65.17 Average: 1 33.91 0.00 1.73 0.16 0.09 64.10 Average: 2 37.39 0.00 1.49 0.12 0.09 60.90 Average: 3 34.06 0.00 1.75 0.26 0.09 63.84