---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2087 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: 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 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 776 9315 4 5897 14869 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:d7:2f:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83865sec preferred_lft 83865sec inet6 fe80::f816:3eff:fed7:2f43/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:12:5e:9f:11:f7 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-2087) 08/04/26 _x86_64_ (4 CPU) 14:59:55 LINUX RESTART (4 CPU) 15:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:37 51.28 11.12 38.96 1.20 1518.38 13632.70 2775.03 15:20:17 41.29 0.40 34.48 6.41 11.73 4572.59 8697.43 15:30:36 43.94 0.00 35.56 8.38 0.03 2910.09 8693.96 15:40:42 10.67 0.14 9.22 1.32 9.96 3138.04 4739.07 Average: 36.96 3.03 29.65 4.28 401.15 6157.43 6169.33 15:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:37 10609976 13849348 2111964 12.90 132512 3243172 2436080 13.98 529564 4850548 3520 15:20:17 9134972 13451616 2499312 15.26 194200 4163852 2717216 15.60 784148 5968412 17288 15:30:36 8380736 13218616 2727804 16.66 231612 4597532 2916028 16.74 910944 6529180 40424 15:40:42 9673116 15344896 599568 3.66 241856 5390860 1114516 6.40 1212860 4894112 8 Average: 9449700 13966119 1984662 12.12 200045 4348854 2295960 13.18 859379 5560563 15310 15:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:37 lo 1.17 1.17 0.11 0.11 0.00 0.00 0.00 0.00 15:10:37 ens3 124.42 96.16 863.99 20.79 0.00 0.00 0.00 0.00 15:10:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:17 lo 3472.70 3472.70 3311.36 3311.36 0.00 0.00 0.00 0.00 15:20:17 ens3 86.97 66.70 332.12 17.90 0.00 0.00 0.00 0.00 15:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:36 lo 4832.98 4832.98 4608.48 4608.48 0.00 0.00 0.00 0.00 15:30:36 ens3 63.84 51.34 19.68 17.38 0.00 0.00 0.00 0.00 15:30:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:42 lo 460.54 460.54 415.08 415.08 0.00 0.00 0.00 0.00 15:40:42 ens3 103.35 113.19 148.34 524.67 0.00 0.00 0.00 0.00 15:40:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2164.03 2164.03 2057.26 2057.26 0.00 0.00 0.00 0.00 Average: ens3 94.95 82.04 346.01 144.38 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-2087) 08/04/26 _x86_64_ (4 CPU) 14:59:55 LINUX RESTART (4 CPU) 15:00:00 CPU %user %nice %system %iowait %steal %idle 15:10:37 all 43.23 0.00 1.82 0.37 0.08 54.50 15:10:37 0 44.18 0.00 2.22 0.55 0.08 52.97 15:10:37 1 42.29 0.00 1.57 0.54 0.09 55.52 15:10:37 2 42.74 0.00 1.67 0.12 0.08 55.40 15:10:37 3 43.70 0.00 1.84 0.27 0.08 54.12 15:20:17 all 66.41 0.00 3.66 0.09 0.11 29.74 15:20:17 0 64.60 0.00 3.38 0.08 0.11 31.82 15:20:17 1 65.40 0.00 3.61 0.09 0.12 30.79 15:20:17 2 66.94 0.00 3.52 0.06 0.12 29.37 15:20:17 3 68.68 0.00 4.12 0.12 0.11 26.97 15:30:36 all 63.68 0.00 4.01 0.22 0.11 31.98 15:30:36 0 61.74 0.00 3.97 0.35 0.11 33.83 15:30:36 1 63.89 0.00 3.82 0.25 0.11 31.92 15:30:36 2 64.01 0.00 4.06 0.21 0.10 31.62 15:30:36 3 65.07 0.00 4.21 0.07 0.11 30.55 15:40:42 all 19.23 0.00 0.90 0.12 0.05 79.70 15:40:42 0 17.06 0.00 0.74 0.02 0.05 82.13 15:40:42 1 23.34 0.00 1.23 0.05 0.06 75.32 15:40:42 2 20.36 0.00 0.93 0.20 0.06 78.45 15:40:42 3 16.14 0.00 0.70 0.19 0.05 82.91 Average: all 47.93 0.00 2.58 0.20 0.09 49.20 Average: 0 46.73 0.00 2.57 0.26 0.09 50.36 Average: 1 48.51 0.00 2.54 0.24 0.09 48.62 Average: 2 48.30 0.00 2.53 0.15 0.09 48.93 Average: 3 48.18 0.00 2.69 0.16 0.09 48.87