---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15410 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 641 8872 4 6475 15005 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:fc:b2:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84040sec preferred_lft 84040sec inet6 fe80::f816:3eff:fefc:b294/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:d4:0d:a0:31:b4 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-15410) 05/15/26 _x86_64_ (4 CPU) 05:23:09 LINUX RESTART (4 CPU) 05:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:02 32.07 2.94 26.06 3.07 161.11 4057.99 8299.18 05:50:00 31.22 0.01 28.05 3.16 0.17 2518.01 14426.75 06:00:12 14.75 0.31 12.94 1.50 11.54 7821.89 2984.96 Average: 25.92 1.08 22.27 2.57 57.19 4823.76 8525.83 05:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:02 9571900 13205612 2752964 16.81 137488 3620244 2789188 16.01 736884 5684628 29576 05:50:00 8879972 12925052 3029704 18.50 159960 3975364 2946348 16.91 848724 6195656 31924 06:00:12 9092968 15364336 582796 3.56 177280 6111952 1113460 6.39 1617472 5135888 48 Average: 9181613 13831667 2121821 12.96 158243 4569187 2282999 13.10 1067693 5672057 20516 05:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:02 lo 1517.95 1517.95 1440.61 1440.61 0.00 0.00 0.00 0.00 05:40:02 ens3 139.91 103.41 929.52 21.47 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:00 lo 1444.31 1444.31 1376.44 1376.44 0.00 0.00 0.00 0.00 05:50:00 ens3 38.33 29.99 35.08 10.54 0.00 0.00 0.00 0.00 05:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:12 lo 337.29 337.29 6797.21 6797.21 0.00 0.00 0.00 0.00 06:00:12 ens3 58.99 65.82 109.52 706.28 0.00 0.00 0.00 0.00 06:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1093.57 1093.57 3234.22 3234.22 0.00 0.00 0.00 0.00 Average: ens3 78.89 66.39 355.80 249.87 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-15410) 05/15/26 _x86_64_ (4 CPU) 05:23:09 LINUX RESTART (4 CPU) 05:30:05 CPU %user %nice %system %iowait %steal %idle 05:40:02 all 69.68 0.00 2.59 0.08 0.11 27.55 05:40:02 0 67.73 0.00 2.55 0.06 0.11 29.56 05:40:02 1 70.39 0.00 2.60 0.09 0.11 26.80 05:40:02 2 68.85 0.00 2.78 0.10 0.11 28.16 05:40:02 3 71.74 0.00 2.43 0.06 0.11 25.66 05:50:00 all 64.13 0.00 2.48 0.28 0.11 33.00 05:50:00 0 64.07 0.00 2.07 0.04 0.12 33.71 05:50:00 1 63.44 0.00 2.63 0.09 0.12 33.73 05:50:00 2 63.54 0.00 2.97 0.91 0.11 32.47 05:50:00 3 65.47 0.00 2.24 0.10 0.11 32.09 06:00:12 all 35.20 0.00 1.23 0.18 0.08 63.31 06:00:12 0 25.56 0.00 1.21 0.09 0.07 73.06 06:00:12 1 38.38 0.00 1.39 0.13 0.08 60.02 06:00:12 2 36.86 0.00 1.10 0.32 0.09 61.63 06:00:12 3 40.02 0.00 1.22 0.17 0.09 58.50 Average: all 56.15 0.00 2.09 0.18 0.10 41.48 Average: 0 52.20 0.00 1.94 0.06 0.10 45.70 Average: 1 57.24 0.00 2.20 0.10 0.10 40.35 Average: 2 56.25 0.00 2.27 0.44 0.10 40.94 Average: 3 58.91 0.00 1.96 0.11 0.10 38.92