---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2026 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 67G 15% / 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 701 9409 4 5878 14945 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:a8:b3:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84059sec preferred_lft 84059sec inet6 fe80::f816:3eff:fea8:b374/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:3f:83:0c:e1:4d 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-2026) 08/04/26 _x86_64_ (4 CPU) 06:41:54 LINUX RESTART (4 CPU) 06:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:26 37.66 0.42 31.51 5.72 13.93 4420.58 2817.27 07:10:15 49.15 0.00 39.73 9.42 0.00 3013.16 11866.60 07:20:16 29.78 0.17 12.46 17.15 12.64 3563.75 233734.97 Average: 38.78 0.20 27.84 10.74 8.95 3675.45 82760.64 06:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:26 9188084 13445024 2506884 15.31 187196 4114944 2726000 15.65 772584 5940664 40484 07:10:15 8532072 13257136 2689804 16.43 224928 4499444 2825328 16.22 892772 6392136 32132 07:20:16 9711056 15366924 577392 3.53 244012 5371340 1104856 6.34 1225600 4862672 14088 Average: 9143737 14023028 1924693 11.76 218712 4661909 2218728 12.74 963652 5731824 28901 06:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:26 lo 2597.43 2597.43 2476.95 2476.95 0.00 0.00 0.00 0.00 07:00:26 ens3 104.41 73.81 324.77 21.51 0.00 0.00 0.00 0.00 07:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:15 lo 5078.67 5078.67 4842.56 4842.56 0.00 0.00 0.00 0.00 07:10:15 ens3 81.41 58.31 23.94 20.65 0.00 0.00 0.00 0.00 07:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:16 lo 643.38 643.38 587.41 587.41 0.00 0.00 0.00 0.00 07:20:16 ens3 136.92 143.52 162.94 601.92 0.00 0.00 0.00 0.00 07:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2755.94 2755.94 2619.22 2619.22 0.00 0.00 0.00 0.00 Average: ens3 107.74 91.99 172.61 214.74 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-2026) 08/04/26 _x86_64_ (4 CPU) 06:41:54 LINUX RESTART (4 CPU) 06:50:13 CPU %user %nice %system %iowait %steal %idle 07:00:26 all 64.11 0.00 3.24 0.07 0.10 32.49 07:00:26 0 63.59 0.00 2.76 0.09 0.09 33.46 07:00:26 1 64.01 0.00 3.55 0.06 0.10 32.28 07:00:26 2 64.59 0.00 3.26 0.05 0.10 32.01 07:00:26 3 64.23 0.00 3.38 0.08 0.10 32.21 07:10:15 all 62.99 0.00 4.03 0.11 0.10 32.77 07:10:15 0 63.61 0.00 4.16 0.08 0.10 32.04 07:10:15 1 62.20 0.00 4.05 0.17 0.10 33.48 07:10:15 2 63.79 0.00 4.14 0.08 0.10 31.88 07:10:15 3 62.36 0.00 3.78 0.09 0.10 33.67 07:20:16 all 28.02 0.00 1.35 0.09 0.07 70.48 07:20:16 0 30.18 0.00 1.82 0.14 0.07 67.79 07:20:16 1 19.90 0.00 1.08 0.09 0.06 78.86 07:20:16 2 33.67 0.00 1.23 0.11 0.07 64.91 07:20:16 3 28.34 0.00 1.26 0.03 0.07 70.31 Average: all 51.67 0.00 2.86 0.09 0.09 45.28 Average: 0 52.43 0.00 2.90 0.11 0.09 44.47 Average: 1 48.66 0.00 2.89 0.11 0.09 48.26 Average: 2 54.00 0.00 2.87 0.08 0.09 42.96 Average: 3 51.60 0.00 2.80 0.06 0.09 45.44