---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36851 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 13G 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 634 8699 4 6655 15012 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:0d:20:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84143sec preferred_lft 84143sec inet6 fe80::f816:3eff:fe0d:208b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:d6:e8:95:c9:cb 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-36851) 07/18/26 _x86_64_ (4 CPU) 05:23:27 LINUX RESTART (4 CPU) 05:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 22.90 0.07 20.02 2.82 6.72 2290.10 6492.91 05:50:25 31.23 0.01 28.06 3.15 0.23 4142.69 11495.91 06:00:08 10.26 0.16 8.83 1.27 10.48 5855.25 2801.64 Average: 21.68 0.08 19.17 2.43 5.68 4104.89 7036.76 05:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9322104 13218176 2737608 16.72 145500 3854504 2959320 16.99 718420 5927188 18292 05:50:25 7462780 12372876 3577988 21.85 166800 4800292 3606936 20.70 997656 7452440 38704 06:00:08 9002744 15458492 486872 2.97 182656 6279180 1018736 5.85 1582868 5270236 2496 Average: 8595876 13683181 2267489 13.85 164985 4977992 2528331 14.51 1099648 6216621 19831 05:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1354.12 1354.12 1283.91 1283.91 0.00 0.00 0.00 0.00 05:40:01 ens3 53.75 42.43 29.44 13.41 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 05:50:25 lo 1288.15 1288.15 1226.61 1226.61 0.00 0.00 0.00 0.00 05:50:25 ens3 49.29 37.85 38.75 12.08 0.00 0.00 0.00 0.00 05:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:08 lo 383.69 383.69 7042.10 7042.10 0.00 0.00 0.00 0.00 06:00:08 ens3 86.64 95.07 124.58 1032.04 0.00 0.00 0.00 0.00 06:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1013.57 1013.57 3147.52 3147.52 0.00 0.00 0.00 0.00 Average: ens3 62.95 58.05 63.82 346.17 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-36851) 07/18/26 _x86_64_ (4 CPU) 05:23:27 LINUX RESTART (4 CPU) 05:30:25 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 69.53 0.00 2.41 0.05 0.11 27.90 05:40:01 0 69.67 0.00 2.49 0.07 0.11 27.67 05:40:01 1 69.68 0.00 2.36 0.03 0.11 27.82 05:40:01 2 70.00 0.00 2.36 0.08 0.11 27.45 05:40:01 3 68.78 0.00 2.42 0.04 0.11 28.65 05:50:25 all 63.15 0.00 2.57 0.07 0.11 34.10 05:50:25 0 64.37 0.00 2.62 0.05 0.11 32.85 05:50:25 1 62.88 0.00 2.38 0.08 0.11 34.56 05:50:25 2 63.03 0.00 2.46 0.12 0.11 34.29 05:50:25 3 62.31 0.00 2.84 0.05 0.11 34.70 06:00:08 all 29.10 0.00 1.14 0.09 0.08 69.59 06:00:08 0 28.00 0.00 1.12 0.15 0.08 70.66 06:00:08 1 36.66 0.00 1.43 0.10 0.09 61.72 06:00:08 2 19.92 0.00 0.65 0.03 0.07 79.33 06:00:08 3 31.81 0.00 1.35 0.10 0.09 66.65 Average: all 54.05 0.00 2.05 0.07 0.10 43.72 Average: 0 54.16 0.00 2.09 0.09 0.10 43.57 Average: 1 56.48 0.00 2.06 0.07 0.10 41.28 Average: 2 51.15 0.00 1.83 0.08 0.10 46.84 Average: 3 54.42 0.00 2.21 0.06 0.10 43.20