---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11016 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 68G 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 652 10601 4 4735 14994 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:cf:15:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83999sec preferred_lft 83999sec inet6 fe80::f816:3eff:fecf:150f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:9e:2d:9c:ea:e9 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11016) 05/05/26 _x86_64_ (4 CPU) 05:20:19 LINUX RESTART (4 CPU) 05:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:09 10.68 1.91 8.36 0.42 123.87 2119.53 970.41 05:50:09 17.53 0.79 15.21 1.54 28.05 3262.62 3235.77 06:00:09 23.05 0.42 18.31 4.32 16.29 2292.96 12305.68 Average: 17.08 1.04 13.95 2.09 56.11 2558.23 5500.69 05:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:09 10991564 14065572 1897008 11.59 121704 3100148 2216060 12.72 519016 4502580 34000 05:50:09 9395616 13392848 2560972 15.64 161840 3900080 2733948 15.69 753084 5752304 9684 06:00:09 10898596 15392340 559324 3.42 174064 4357844 1097636 6.30 917488 4074824 11676 Average: 10428592 14283587 1672435 10.21 152536 3786024 2015881 11.57 729863 4776569 18453 05:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:09 lo 0.61 0.61 0.06 0.06 0.00 0.00 0.00 0.00 05:40:09 ens3 80.94 63.77 604.23 11.71 0.00 0.00 0.00 0.00 05:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:09 lo 407.21 407.21 387.05 387.05 0.00 0.00 0.00 0.00 05:50:09 ens3 93.42 68.28 326.98 18.76 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:09 lo 1335.07 1335.07 1259.75 1259.75 0.00 0.00 0.00 0.00 06:00:09 ens3 99.67 94.74 138.94 188.41 0.00 0.00 0.00 0.00 06:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 580.57 580.57 548.58 548.58 0.00 0.00 0.00 0.00 Average: ens3 91.34 75.59 356.86 72.91 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11016) 05/05/26 _x86_64_ (4 CPU) 05:20:19 LINUX RESTART (4 CPU) 05:30:09 CPU %user %nice %system %iowait %steal %idle 05:40:09 all 31.29 0.00 1.01 0.04 0.05 67.61 05:40:09 0 31.07 0.00 1.09 0.05 0.05 67.74 05:40:09 1 31.59 0.00 0.91 0.03 0.05 67.42 05:40:09 2 30.85 0.00 0.91 0.05 0.06 68.12 05:40:09 3 31.66 0.00 1.12 0.02 0.05 67.15 05:50:09 all 69.84 0.00 2.44 0.04 0.09 27.59 05:50:09 0 65.71 0.00 2.13 0.07 0.09 31.99 05:50:09 1 70.12 0.00 2.94 0.04 0.09 26.82 05:50:09 2 72.38 0.00 2.49 0.03 0.09 25.02 05:50:09 3 71.16 0.00 2.21 0.03 0.09 26.51 06:00:09 all 32.67 0.00 1.65 0.10 0.06 65.53 06:00:09 0 28.85 0.00 1.44 0.21 0.06 69.44 06:00:09 1 30.02 0.00 1.92 0.07 0.07 67.93 06:00:09 2 35.81 0.00 1.58 0.05 0.06 62.49 06:00:09 3 35.98 0.00 1.64 0.06 0.06 62.25 Average: all 44.58 0.00 1.70 0.06 0.07 53.59 Average: 0 41.88 0.00 1.56 0.11 0.07 56.39 Average: 1 43.89 0.00 1.92 0.05 0.07 54.08 Average: 2 46.33 0.00 1.66 0.04 0.07 51.90 Average: 3 46.25 0.00 1.66 0.04 0.06 51.99