---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3513 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 65G 17% / 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 696 8035 4 7258 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:85:fd:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83725sec preferred_lft 83725sec inet6 fe80::f816:3eff:fe85:fd27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:96:92:4b:29: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 ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3513) 08/08/26 _x86_64_ (4 CPU) 19:03:03 LINUX RESTART (4 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:15 32.54 2.87 26.57 3.10 158.49 4251.90 16007.67 19:30:01 33.30 0.02 29.80 3.47 0.59 2521.12 27337.52 19:40:11 7.69 0.03 7.18 0.48 0.49 2923.36 4685.86 Average: 24.39 0.98 21.07 2.34 53.71 3239.78 15864.06 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:15 9144040 13023716 2933060 17.91 143956 3843756 3328520 19.11 716472 6115652 22160 19:30:01 8320904 12683840 3269500 19.97 164616 4273036 3301044 18.95 832004 6774488 110844 19:40:11 5202632 10238236 5712712 34.89 169960 4917068 5465672 31.37 1043360 9638820 19540 Average: 7555859 11981931 3971757 24.26 159511 4344620 4031745 23.14 863945 7509653 50848 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:15 lo 1489.93 1489.93 1414.05 1414.05 0.00 0.00 0.00 0.00 19:20:15 ens3 131.13 100.74 943.14 21.07 0.00 0.00 0.00 0.00 19:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1551.22 1551.22 1478.46 1478.46 0.00 0.00 0.00 0.00 19:30:01 ens3 45.96 35.78 22.58 11.87 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:11 lo 532.34 532.34 6961.77 6961.77 0.00 0.00 0.00 0.00 19:40:11 ens3 12.80 10.99 8.51 3.79 0.00 0.00 0.00 0.00 19:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1186.06 1186.06 3310.90 3310.90 0.00 0.00 0.00 0.00 Average: ens3 63.41 49.26 327.72 12.24 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3513) 08/08/26 _x86_64_ (4 CPU) 19:03:03 LINUX RESTART (4 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:15 all 71.32 0.00 2.67 0.07 0.10 25.83 19:20:15 0 71.73 0.00 2.61 0.07 0.10 25.48 19:20:15 1 69.99 0.00 2.68 0.14 0.10 27.10 19:20:15 2 72.06 0.00 2.90 0.05 0.11 24.88 19:20:15 3 71.49 0.00 2.50 0.04 0.10 25.87 19:30:01 all 62.05 0.00 2.53 0.08 0.09 35.25 19:30:01 0 60.56 0.00 2.75 0.09 0.10 36.51 19:30:01 1 61.07 0.00 2.56 0.08 0.09 36.20 19:30:01 2 63.38 0.00 2.19 0.05 0.09 34.29 19:30:01 3 63.22 0.00 2.63 0.08 0.09 33.98 19:40:11 all 33.20 0.00 1.12 0.05 0.08 65.55 19:40:11 0 34.03 0.00 1.07 0.10 0.08 64.72 19:40:11 1 29.42 0.00 1.34 0.02 0.09 69.13 19:40:11 2 36.53 0.00 0.99 0.04 0.08 62.36 19:40:11 3 32.84 0.00 1.08 0.03 0.08 65.97 Average: all 55.40 0.00 2.10 0.07 0.09 42.34 Average: 0 55.34 0.00 2.13 0.09 0.09 42.34 Average: 1 53.34 0.00 2.19 0.08 0.09 44.30 Average: 2 57.21 0.00 2.02 0.05 0.09 40.63 Average: 3 55.70 0.00 2.06 0.05 0.09 42.09