---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3739 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 13G 66G 16% / 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 665 8649 4 6674 14981 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:eb:43:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83634sec preferred_lft 83634sec inet6 fe80::f816:3eff:feeb:43bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:3c:92:7f:ac:3b 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-3739) 08/09/26 _x86_64_ (4 CPU) 05:23:56 LINUX RESTART (4 CPU) 05:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:19 19.36 2.90 14.98 1.49 158.22 3082.90 4390.37 05:50:19 27.52 0.02 24.27 3.24 0.61 2209.51 10933.04 06:00:01 22.22 0.03 20.22 1.97 1.14 4006.36 8190.83 Average: 23.02 1.00 19.79 2.23 54.42 3090.54 7815.36 05:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:19 9815092 13543704 2415304 14.75 133016 3722008 2723616 15.63 634404 5548216 108228 05:50:19 8635192 12677240 3277956 20.02 153868 3983568 3497652 20.08 753312 6572508 32532 06:00:01 5092344 10057012 5894348 36.00 165828 4854184 5549220 31.85 1013152 9770612 124 Average: 7847543 12092652 3862536 23.59 150904 4186587 3923496 22.52 800289 7297112 46961 05:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:19 lo 855.59 855.59 814.48 814.48 0.00 0.00 0.00 0.00 05:40:19 ens3 99.90 80.03 925.53 14.54 0.00 0.00 0.00 0.00 05:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:19 lo 1662.94 1662.94 1580.04 1580.04 0.00 0.00 0.00 0.00 05:50:19 ens3 42.14 34.11 16.99 11.63 0.00 0.00 0.00 0.00 05:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 878.64 878.64 5334.60 5334.60 0.00 0.00 0.00 0.00 06:00:01 ens3 32.04 25.98 36.39 9.07 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1133.35 1133.35 2539.29 2539.29 0.00 0.00 0.00 0.00 Average: ens3 58.52 47.10 332.51 11.79 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-3739) 08/09/26 _x86_64_ (4 CPU) 05:23:56 LINUX RESTART (4 CPU) 05:30:09 CPU %user %nice %system %iowait %steal %idle 05:40:19 all 36.10 0.00 1.42 0.07 0.06 62.35 05:40:19 0 37.41 0.00 1.72 0.09 0.05 60.73 05:40:19 1 34.78 0.00 1.14 0.05 0.06 63.97 05:40:19 2 36.46 0.00 1.39 0.08 0.06 62.01 05:40:19 3 35.77 0.00 1.43 0.05 0.07 62.68 05:50:19 all 67.04 0.00 2.42 0.05 0.10 30.39 05:50:19 0 66.26 0.00 2.27 0.05 0.10 31.32 05:50:19 1 66.40 0.00 2.31 0.04 0.10 31.16 05:50:19 2 67.32 0.00 2.49 0.04 0.10 30.05 05:50:19 3 68.17 0.00 2.62 0.07 0.10 29.03 06:00:01 all 50.82 0.00 1.90 0.10 0.09 47.10 06:00:01 0 49.36 0.00 1.86 0.06 0.09 48.64 06:00:01 1 49.13 0.00 2.01 0.12 0.09 48.66 06:00:01 2 51.61 0.00 1.88 0.16 0.08 46.27 06:00:01 3 53.18 0.00 1.83 0.06 0.09 44.84 Average: all 51.23 0.00 1.91 0.07 0.08 46.71 Average: 0 50.95 0.00 1.95 0.07 0.08 46.96 Average: 1 50.02 0.00 1.81 0.07 0.08 48.02 Average: 2 51.70 0.00 1.92 0.09 0.08 46.21 Average: 3 52.27 0.00 1.96 0.06 0.08 45.63