---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31360 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 11G 68G 14% / 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 695 10472 4 4820 14950 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:ed:44:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83977sec preferred_lft 83977sec inet6 fe80::f816:3eff:feed:44a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:5b:8f:d3:0b:6c 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-31360) 06/28/26 _x86_64_ (4 CPU) 09:10:22 LINUX RESTART (4 CPU) 09:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 14.72 2.05 11.68 0.99 131.93 3034.64 1904.81 09:40:08 27.49 0.77 23.21 3.51 23.45 3995.69 8814.82 09:50:08 9.07 0.32 6.92 1.83 14.20 674.81 752.12 Average: 17.14 1.04 13.98 2.12 56.15 2571.74 3848.06 09:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10544728 13970676 1988388 12.14 139428 3400332 2310260 13.26 577512 4849516 33724 09:40:08 8791532 13335340 2614540 15.97 174336 4399944 2770436 15.90 887776 6209272 68128 09:50:08 10747868 15328636 622360 3.80 177952 4433256 1142600 6.56 917084 4198600 11304 Average: 10028043 14211551 1741763 10.64 163905 4077844 2074432 11.91 794124 5085796 37719 09:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 09:30:01 ens3 100.98 81.07 588.07 20.48 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:08 lo 1762.20 1762.20 1679.85 1679.85 0.00 0.00 0.00 0.00 09:40:08 ens3 81.71 62.71 425.73 22.18 0.00 0.00 0.00 0.00 09:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:08 lo 15.94 15.94 1.63 1.63 0.00 0.00 0.00 0.00 09:50:08 ens3 64.93 67.55 27.98 180.59 0.00 0.00 0.00 0.00 09:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 599.31 599.31 566.41 566.41 0.00 0.00 0.00 0.00 Average: ens3 82.47 70.38 346.70 74.42 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-31360) 06/28/26 _x86_64_ (4 CPU) 09:10:22 LINUX RESTART (4 CPU) 09:20:08 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 68.27 0.00 2.16 0.98 0.13 28.45 09:30:01 0 67.15 0.00 2.01 0.65 0.13 30.07 09:30:01 1 68.68 0.00 2.22 0.44 0.13 28.53 09:30:01 2 66.49 0.00 2.20 1.10 0.13 30.08 09:30:01 3 70.77 0.00 2.23 1.75 0.14 25.12 09:40:08 all 65.90 0.00 2.75 1.61 0.14 29.61 09:40:08 0 65.00 0.00 3.23 1.28 0.14 30.34 09:40:08 1 67.13 0.00 2.71 1.31 0.14 28.71 09:40:08 2 64.77 0.00 2.50 1.14 0.14 31.45 09:40:08 3 66.68 0.00 2.56 2.69 0.14 27.93 09:50:08 all 8.76 0.00 0.46 0.31 0.03 90.45 09:50:08 0 10.08 0.00 0.51 0.15 0.03 89.22 09:50:08 1 6.49 0.00 0.31 0.07 0.02 93.10 09:50:08 2 8.68 0.00 0.42 0.72 0.04 90.14 09:50:08 3 9.77 0.00 0.58 0.29 0.04 89.32 Average: all 47.61 0.00 1.79 0.97 0.10 49.53 Average: 0 47.36 0.00 1.92 0.70 0.10 49.92 Average: 1 47.38 0.00 1.75 0.61 0.10 50.16 Average: 2 46.65 0.00 1.71 0.99 0.10 50.55 Average: 3 49.03 0.00 1.79 1.58 0.10 47.49