---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1273 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 12G 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 728 9365 4 5895 14918 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:e3:4f:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83765sec preferred_lft 83765sec inet6 fe80::f816:3eff:fee3:4f36/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:a3:22:c1:12:c2 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-1273) 08/01/26 _x86_64_ (4 CPU) 20:24:53 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 18.16 2.33 14.73 1.10 136.60 4057.48 1803.10 20:50:01 63.17 0.30 51.60 11.26 9.68 4174.32 10513.77 21:00:01 34.35 0.14 28.84 5.36 9.88 4916.38 8910.77 Average: 38.56 0.93 31.72 5.91 52.05 4382.73 7075.92 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9307964 13053968 2901904 17.72 168116 3658668 3135844 18.00 663072 5966484 109812 20:50:01 8649812 13182468 2767412 16.90 204992 4349684 3049944 17.51 832292 6402852 106620 21:00:01 9766860 15381144 564304 3.45 239368 5336224 1098728 6.31 1209044 4821568 224 Average: 9241545 13872527 2077873 12.69 204159 4448192 2428172 13.94 901469 5730301 72219 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 20:40:01 ens3 108.86 88.34 590.81 22.47 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5713.17 5713.17 5448.56 5448.56 0.00 0.00 0.00 0.00 20:50:01 ens3 98.01 71.58 268.63 21.40 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 2462.66 2462.66 2341.14 2341.14 0.00 0.00 0.00 0.00 21:00:01 ens3 95.77 77.72 108.30 85.43 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2725.75 2725.75 2596.62 2596.62 0.00 0.00 0.00 0.00 Average: ens3 100.88 79.21 322.58 43.10 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-1273) 08/01/26 _x86_64_ (4 CPU) 20:24:53 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 68.91 0.00 2.36 0.06 0.10 28.57 20:40:01 0 68.10 0.00 2.25 0.05 0.10 29.50 20:40:01 1 67.36 0.00 2.54 0.09 0.10 29.92 20:40:01 2 69.86 0.00 2.33 0.05 0.10 27.66 20:40:01 3 70.32 0.00 2.34 0.04 0.10 27.20 20:50:01 all 62.06 0.00 4.16 0.10 0.09 33.59 20:50:01 0 62.02 0.00 4.11 0.08 0.09 33.71 20:50:01 1 61.69 0.00 4.78 0.15 0.09 33.29 20:50:01 2 62.34 0.00 4.03 0.08 0.09 33.46 20:50:01 3 62.18 0.00 3.74 0.09 0.09 33.90 21:00:01 all 46.98 0.00 2.71 0.11 0.08 50.13 21:00:01 0 45.79 0.00 2.75 0.05 0.07 51.34 21:00:01 1 48.34 0.00 2.57 0.22 0.08 48.80 21:00:01 2 48.35 0.00 2.78 0.06 0.08 48.72 21:00:01 3 45.42 0.00 2.75 0.09 0.08 51.66 Average: all 59.31 0.00 3.08 0.09 0.09 37.43 Average: 0 58.64 0.00 3.03 0.06 0.09 38.19 Average: 1 59.13 0.00 3.29 0.15 0.09 37.34 Average: 2 60.18 0.00 3.05 0.07 0.09 36.62 Average: 3 59.31 0.00 2.94 0.07 0.09 37.59