---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7410 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 655 8892 4 6440 14990 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:05:ee:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84268sec preferred_lft 84268sec inet6 fe80::f816:3eff:fe05:eef0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:0c:8a:8b:56:35 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-7410) 02/03/26 _x86_64_ (4 CPU) 12:57:21 LINUX RESTART (4 CPU) 13:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:04 45.71 3.20 26.09 16.42 370.10 3769.24 245693.11 13:20:01 29.37 0.02 26.16 3.19 0.25 2412.86 13997.48 13:30:04 18.89 0.14 16.75 2.00 6.53 8666.12 42453.23 Average: 31.30 1.12 22.98 7.20 125.64 4959.84 100761.23 13:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:04 9198244 12783240 3175700 19.40 132720 3582652 3402512 19.53 740220 6057076 213544 13:20:01 8726488 12540416 3415404 20.86 152792 3765192 3585692 20.58 832868 6410844 24712 13:30:04 9133560 15367812 580324 3.54 172788 6084620 1105304 6.34 1669636 5057616 244 Average: 9019431 13563823 2390476 14.60 152767 4477488 2697836 15.49 1080908 5841845 79500 13:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:04 lo 1513.33 1513.33 1436.26 1436.26 0.00 0.00 0.00 0.00 13:10:04 ens3 117.51 88.02 901.99 18.32 0.00 0.00 0.00 0.00 13:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 1136.91 1136.91 1082.14 1082.14 0.00 0.00 0.00 0.00 13:20:01 ens3 44.10 35.46 28.34 12.36 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:04 lo 510.18 510.18 7064.31 7064.31 0.00 0.00 0.00 0.00 13:30:04 ens3 50.68 50.26 108.36 403.34 0.00 0.00 0.00 0.00 13:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1052.43 1052.43 3204.22 3204.22 0.00 0.00 0.00 0.00 Average: ens3 70.77 57.94 346.36 145.33 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-7410) 02/03/26 _x86_64_ (4 CPU) 12:57:21 LINUX RESTART (4 CPU) 13:00:04 CPU %user %nice %system %iowait %steal %idle 13:10:04 all 55.06 0.00 2.26 0.11 0.09 42.48 13:10:04 0 55.39 0.00 2.27 0.09 0.09 42.16 13:10:04 1 54.65 0.00 2.07 0.05 0.09 43.13 13:10:04 2 56.04 0.00 2.43 0.14 0.09 41.30 13:10:04 3 54.14 0.00 2.28 0.18 0.08 43.32 13:20:01 all 64.55 0.00 2.33 0.07 0.10 32.95 13:20:01 0 66.38 0.00 2.36 0.03 0.10 31.14 13:20:01 1 62.36 0.00 1.94 0.07 0.10 35.53 13:20:01 2 64.89 0.00 2.69 0.09 0.10 32.22 13:20:01 3 64.58 0.00 2.32 0.09 0.10 32.90 13:30:04 all 37.98 0.00 1.38 0.19 0.08 60.37 13:30:04 0 38.30 0.00 1.09 0.08 0.07 60.46 13:30:04 1 33.85 0.00 1.31 0.02 0.08 64.74 13:30:04 2 41.69 0.00 1.82 0.34 0.08 56.07 13:30:04 3 38.11 0.00 1.30 0.32 0.08 60.19 Average: all 52.48 0.00 1.99 0.13 0.09 45.32 Average: 0 53.29 0.00 1.90 0.07 0.09 44.65 Average: 1 50.23 0.00 1.77 0.05 0.09 47.86 Average: 2 54.16 0.00 2.31 0.19 0.09 43.24 Average: 3 52.22 0.00 1.97 0.20 0.09 45.53