---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21094 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 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 670 8888 4 6430 14976 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:07:2c:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83886sec preferred_lft 83886sec inet6 fe80::f816:3eff:fe07:2c76/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:08:4d:01:73:74 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-21094) 05/29/26 _x86_64_ (4 CPU) 05:23:11 LINUX RESTART (4 CPU) 05:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 23.95 0.38 20.67 2.90 16.71 2230.65 4454.31 05:50:03 29.02 0.00 25.47 3.54 0.12 3190.04 18012.38 06:00:03 32.71 0.05 16.81 15.85 1.05 8123.09 276493.22 Average: 28.56 0.14 20.99 7.43 5.96 4513.34 99576.14 05:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9638736 13281732 2676448 16.35 140472 3615780 3005068 17.25 690668 5653848 26976 05:50:03 9233728 13173272 2782504 16.99 156388 3874172 2812700 16.14 773488 5936408 16132 06:00:03 9184108 15397252 551424 3.37 176816 6050920 1067976 6.13 1558724 5113416 19240 Average: 9352191 13950752 2003459 12.24 157892 4513624 2295248 13.17 1007627 5567891 20783 05:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1471.72 1471.72 1396.37 1396.37 0.00 0.00 0.00 0.00 05:40:01 ens3 43.26 38.46 52.38 12.98 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:03 lo 1225.88 1225.88 1167.89 1167.89 0.00 0.00 0.00 0.00 05:50:03 ens3 26.85 22.11 21.17 7.86 0.00 0.00 0.00 0.00 05:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:03 lo 707.27 707.27 7175.22 7175.22 0.00 0.00 0.00 0.00 06:00:03 ens3 29.67 27.41 112.03 8.74 0.00 0.00 0.00 0.00 06:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1135.04 1135.04 3244.54 3244.54 0.00 0.00 0.00 0.00 Average: ens3 33.25 29.32 61.82 9.86 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-21094) 05/29/26 _x86_64_ (4 CPU) 05:23:11 LINUX RESTART (4 CPU) 05:30:00 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 71.45 0.00 2.61 0.10 0.15 25.69 05:40:01 0 71.71 0.00 2.61 0.11 0.15 25.42 05:40:01 1 71.70 0.00 2.78 0.05 0.15 25.32 05:40:01 2 70.51 0.00 2.53 0.13 0.14 26.69 05:40:01 3 71.90 0.00 2.51 0.11 0.15 25.34 05:50:03 all 54.84 0.00 2.24 6.44 0.14 36.35 05:50:03 0 54.07 0.00 2.29 4.45 0.13 39.06 05:50:03 1 54.53 0.00 2.38 10.98 0.14 31.96 05:50:03 2 53.84 0.00 2.16 6.58 0.14 37.28 05:50:03 3 56.92 0.00 2.11 3.76 0.13 37.08 06:00:03 all 40.16 0.00 1.61 3.70 0.11 54.41 06:00:03 0 36.45 0.00 1.73 1.32 0.11 60.39 06:00:03 1 36.77 0.00 1.53 2.86 0.10 58.74 06:00:03 2 34.79 0.00 1.25 5.12 0.11 58.74 06:00:03 3 52.64 0.00 1.93 5.52 0.13 39.78 Average: all 55.47 0.00 2.15 3.42 0.13 38.83 Average: 0 54.05 0.00 2.21 1.96 0.13 41.65 Average: 1 54.33 0.00 2.23 4.63 0.13 38.68 Average: 2 53.04 0.00 1.98 3.95 0.13 40.91 Average: 3 60.48 0.00 2.18 3.13 0.14 34.08