---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27051 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: 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 690 8734 4 6564 14955 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:b4:5e:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83924sec preferred_lft 83924sec inet6 fe80::f816:3eff:feb4:5e35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:e9:dd:47:1c:ea 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-27051) 06/13/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 27.09 2.99 21.53 2.57 163.18 3695.58 5147.03 05:50:09 25.62 0.01 22.85 2.75 0.20 2176.71 10056.43 06:00:10 22.17 0.31 19.42 2.43 11.67 8843.19 5091.00 Average: 24.95 1.09 21.27 2.59 57.60 4900.88 6785.46 05:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9374520 13146972 2811108 17.17 136372 3754804 2932416 16.83 735132 5874832 168284 05:50:09 8900228 12950048 3005092 18.35 155992 3983752 3073364 17.64 826960 6225292 36524 06:00:10 9010084 15370756 577136 3.52 180600 6190820 1121040 6.43 1621084 5224412 31072 Average: 9094944 13822592 2131112 13.02 157655 4643125 2375607 13.64 1061059 5774845 78627 05:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1437.45 1437.45 1364.12 1364.12 0.00 0.00 0.00 0.00 05:40:01 ens3 112.77 87.36 950.89 17.66 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 05:50:09 lo 1064.20 1064.20 1013.36 1013.36 0.00 0.00 0.00 0.00 05:50:09 ens3 35.08 29.07 26.28 10.89 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 06:00:10 lo 873.16 873.16 7323.51 7323.51 0.00 0.00 0.00 0.00 06:00:10 ens3 40.38 31.80 113.85 17.19 0.00 0.00 0.00 0.00 06:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1123.13 1123.13 3234.64 3234.64 0.00 0.00 0.00 0.00 Average: ens3 62.39 49.14 359.44 15.22 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-27051) 06/13/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:09 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 53.06 0.00 2.13 0.06 0.08 44.67 05:40:01 0 52.21 0.00 2.46 0.06 0.08 45.19 05:40:01 1 54.39 0.00 2.19 0.11 0.08 43.23 05:40:01 2 52.21 0.00 1.89 0.03 0.08 45.79 05:40:01 3 53.43 0.00 1.97 0.05 0.08 44.47 05:50:09 all 65.73 0.00 2.31 0.06 0.10 31.81 05:50:09 0 67.94 0.00 2.32 0.04 0.10 29.60 05:50:09 1 64.91 0.00 2.02 0.05 0.10 32.92 05:50:09 2 65.65 0.00 2.44 0.10 0.10 31.71 05:50:09 3 64.42 0.00 2.45 0.03 0.09 33.01 06:00:10 all 42.48 0.00 1.70 0.14 0.08 55.60 06:00:10 0 40.50 0.00 1.43 0.07 0.08 57.93 06:00:10 1 41.02 0.00 1.64 0.08 0.08 57.18 06:00:10 2 45.49 0.00 1.97 0.09 0.08 52.37 06:00:10 3 42.94 0.00 1.75 0.31 0.08 54.92 Average: all 53.80 0.00 2.04 0.09 0.09 43.98 Average: 0 53.59 0.00 2.07 0.06 0.09 44.20 Average: 1 53.48 0.00 1.95 0.08 0.09 44.41 Average: 2 54.50 0.00 2.10 0.08 0.09 43.24 Average: 3 53.64 0.00 2.06 0.13 0.09 44.09