---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3193 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 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 708 9549 4 5731 14938 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:5d:79:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84395sec preferred_lft 84395sec inet6 fe80::f816:3eff:fe5d:7979/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:52:b1:37:12:03 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-3193) 08/07/26 _x86_64_ (4 CPU) 14:07:14 LINUX RESTART (4 CPU) 14:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:04 22.91 2.66 18.77 1.48 146.34 4543.30 6723.24 14:30:01 33.96 0.04 30.46 3.46 1.14 3128.70 24351.62 14:40:04 32.97 0.17 15.59 17.21 12.56 5689.90 233501.77 Average: 29.94 0.96 21.58 7.41 53.39 4459.19 88602.93 14:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:04 9627760 13379884 2576740 15.74 153556 3686028 2866568 16.45 701588 5621484 15948 14:30:01 8403944 12701192 3250928 19.86 184848 4154444 3559752 20.43 855140 6621180 372 14:40:04 9810328 15319140 626848 3.83 206396 5277608 1156464 6.64 933932 5061600 11388 Average: 9280677 13800072 2151505 13.14 181600 4372693 2527595 14.51 830220 5768088 9236 14:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:04 lo 629.54 629.54 599.06 599.06 0.00 0.00 0.00 0.00 14:20:04 ens3 103.75 81.20 829.19 16.92 0.00 0.00 0.00 0.00 14:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1749.10 1749.10 1667.77 1667.77 0.00 0.00 0.00 0.00 14:30:01 ens3 45.58 34.74 138.87 11.01 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:04 lo 11.56 11.56 1.17 1.17 0.00 0.00 0.00 0.00 14:40:04 ens3 86.39 77.15 125.96 227.93 0.00 0.00 0.00 0.00 14:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 793.17 793.17 752.58 752.58 0.00 0.00 0.00 0.00 Average: ens3 78.66 64.45 364.73 85.72 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-3193) 08/07/26 _x86_64_ (4 CPU) 14:07:14 LINUX RESTART (4 CPU) 14:10:04 CPU %user %nice %system %iowait %steal %idle 14:20:04 all 56.82 0.00 1.90 1.24 0.10 39.94 14:20:04 0 56.49 0.00 1.65 1.02 0.11 40.74 14:20:04 1 57.03 0.00 1.80 1.01 0.11 40.06 14:20:04 2 57.38 0.00 2.37 1.15 0.10 39.00 14:20:04 3 56.38 0.00 1.80 1.78 0.10 39.94 14:30:01 all 54.71 0.00 2.45 0.96 0.11 41.77 14:30:01 0 54.86 0.00 2.64 0.85 0.11 41.54 14:30:01 1 54.92 0.00 2.42 0.37 0.11 42.18 14:30:01 2 53.99 0.00 2.59 1.80 0.11 41.51 14:30:01 3 55.09 0.00 2.13 0.80 0.10 41.87 14:40:04 all 42.06 0.00 1.54 0.98 0.09 55.33 14:40:04 0 44.29 0.00 2.01 0.52 0.08 53.10 14:40:04 1 44.74 0.00 1.48 1.86 0.09 51.83 14:40:04 2 39.34 0.00 1.44 0.90 0.08 58.25 14:40:04 3 39.88 0.00 1.24 0.65 0.09 58.14 Average: all 51.17 0.00 1.96 1.06 0.10 45.71 Average: 0 51.85 0.00 2.09 0.80 0.10 45.16 Average: 1 52.21 0.00 1.90 1.08 0.10 44.71 Average: 2 50.20 0.00 2.13 1.28 0.10 46.30 Average: 3 50.41 0.00 1.72 1.08 0.10 46.69