---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26686 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: 5600.00 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 18G 61G 23% / 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 724 10210 3 5054 14921 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:ca:42:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82562sec preferred_lft 82562sec inet6 fe80::f816:3eff:feca:42b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:aa:b8:9a:1f:d0 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 inet6 fe80::5caa:b8ff:fe9a:1fd0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26686) 06/11/26 _x86_64_ (4 CPU) 14:27:28 LINUX RESTART (4 CPU) 14:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:00 136.86 7.99 110.54 18.33 959.41 37427.16 237456.82 14:50:00 35.97 22.10 13.09 0.78 215.29 1317.99 901.64 15:00:00 4.83 0.05 4.58 0.20 1.64 124.75 620.07 15:10:00 7.74 0.01 7.32 0.41 0.37 229.37 1217.51 15:20:00 12.68 0.21 11.86 0.61 7.69 846.25 650.93 15:30:00 4.88 0.05 4.63 0.20 1.32 132.32 55.21 Average: 33.83 5.07 25.34 3.42 197.63 6679.90 40152.01 14:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:00 156896 7306124 8614192 52.61 257352 6684552 10841060 62.23 2202384 13234804 748 14:50:00 5423476 9794696 6136052 37.48 265252 4009484 7027172 40.34 1993900 8309056 196 15:00:00 6645776 11025352 4905632 29.96 266316 4016620 5613196 32.22 2010384 7073860 36 15:10:00 5216840 9613128 6317040 38.58 267712 4031936 7050076 40.47 2016848 8490212 104 15:20:00 6719032 11306036 4624800 28.25 274880 4210452 5302596 30.44 2038648 6961088 216 15:30:00 5767360 10371736 5558424 33.95 275504 4227148 6141528 35.25 2049884 7897336 280 Average: 4988230 9902845 6026023 36.80 267836 4530032 6995938 40.16 2052008 8661059 263 14:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:00 lo 4.37 4.37 5.08 5.08 0.00 0.00 0.00 0.00 14:40:00 ens3 105.43 80.11 1567.47 8.75 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:00 lo 12.45 12.45 9.93 9.93 0.00 0.00 0.00 0.00 14:50:00 ens3 0.76 0.65 0.21 0.21 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:00 lo 11.49 11.49 5.17 5.17 0.00 0.00 0.00 0.00 15:00:00 ens3 0.63 0.47 0.16 0.12 0.00 0.00 0.00 0.00 15:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:00 lo 10.04 10.04 6.19 6.19 0.00 0.00 0.00 0.00 15:10:00 ens3 0.78 0.80 0.12 1.03 0.00 0.00 0.00 0.00 15:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:00 lo 13.83 13.83 7.70 7.70 0.00 0.00 0.00 0.00 15:20:00 ens3 0.90 0.82 0.29 0.27 0.00 0.00 0.00 0.00 15:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:00 lo 29.98 29.98 11.77 11.77 0.00 0.00 0.00 0.00 15:30:00 ens3 0.80 0.66 0.18 0.15 0.00 0.00 0.00 0.00 15:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 13.69 13.69 7.64 7.64 0.00 0.00 0.00 0.00 Average: ens3 18.22 13.92 261.42 1.76 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-16g-26686) 06/11/26 _x86_64_ (4 CPU) 14:27:28 LINUX RESTART (4 CPU) 14:30:00 CPU %user %nice %system %iowait %steal %idle 14:40:00 all 54.88 0.00 3.54 1.37 0.14 40.07 14:40:00 0 53.31 0.00 3.47 1.41 0.13 41.68 14:40:00 1 54.79 0.00 3.53 0.85 0.15 40.69 14:40:00 2 54.71 0.00 3.51 1.90 0.14 39.74 14:40:00 3 56.71 0.00 3.67 1.31 0.15 38.17 14:50:00 all 20.38 0.00 1.01 0.05 0.09 78.47 14:50:00 0 20.07 0.00 0.83 0.03 0.08 78.99 14:50:00 1 21.10 0.00 1.11 0.05 0.09 77.65 14:50:00 2 20.20 0.00 0.99 0.04 0.09 78.68 14:50:00 3 20.16 0.00 1.11 0.08 0.08 78.57 15:00:00 all 10.22 0.00 0.49 0.04 0.07 89.18 15:00:00 0 9.80 0.00 0.52 0.04 0.06 89.58 15:00:00 1 10.66 0.00 0.48 0.00 0.06 88.80 15:00:00 2 10.14 0.00 0.48 0.08 0.07 89.23 15:00:00 3 10.29 0.00 0.48 0.02 0.07 89.13 15:10:00 all 18.62 0.00 0.69 0.02 0.08 80.59 15:10:00 0 18.13 0.00 0.68 0.02 0.07 81.09 15:10:00 1 19.15 0.00 0.75 0.02 0.08 80.00 15:10:00 2 18.23 0.00 0.77 0.04 0.08 80.89 15:10:00 3 18.99 0.00 0.56 0.01 0.08 80.36 15:20:00 all 21.44 0.00 0.81 0.05 0.08 77.61 15:20:00 0 21.45 0.00 0.80 0.11 0.08 77.56 15:20:00 1 21.77 0.00 0.87 0.07 0.09 77.20 15:20:00 2 21.37 0.00 0.79 0.01 0.08 77.76 15:20:00 3 21.17 0.00 0.78 0.03 0.08 77.94 15:30:00 all 11.83 0.00 0.47 0.02 0.07 87.62 15:30:00 0 11.20 0.00 0.40 0.04 0.07 88.30 15:30:00 1 12.24 0.00 0.42 0.01 0.07 87.26 15:30:00 2 12.08 0.00 0.50 0.03 0.07 87.33 15:30:00 3 11.79 0.00 0.57 0.00 0.07 87.57 Average: all 22.90 0.00 1.17 0.26 0.09 75.59 Average: 0 22.33 0.00 1.12 0.27 0.08 76.20 Average: 1 23.29 0.00 1.19 0.17 0.09 75.26 Average: 2 22.78 0.00 1.17 0.35 0.09 75.61 Average: 3 23.20 0.00 1.20 0.24 0.09 75.28