---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3000 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 11G 67G 14% / 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 686 10214 4 5088 14960 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:f8:79:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83577sec preferred_lft 83577sec inet6 fe80::f816:3eff:fef8:7903/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:ef:f4:be:97:4f 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-3000) 08/07/26 _x86_64_ (4 CPU) 05:45:55 LINUX RESTART (4 CPU) 05:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:08 18.93 0.23 5.01 13.69 28.36 828.15 250381.94 06:10:08 8.71 1.87 6.64 0.19 122.93 1524.52 392.88 06:20:08 11.21 0.48 9.62 1.12 18.44 2252.72 1954.48 06:30:08 31.39 0.59 26.62 4.18 22.51 3867.64 6043.72 Average: 17.56 0.79 11.97 4.80 48.06 2118.26 64693.25 05:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:08 12770164 15491248 478796 2.92 105056 2801960 1018100 5.84 367660 2891072 108 06:10:08 10917476 14162160 1799724 10.99 125396 3267892 2325500 13.35 508996 4598620 43544 06:20:08 9660152 13549980 2405812 14.69 155560 3819288 2634696 15.12 675456 5598936 26860 06:30:08 10506548 15357340 592020 3.62 180784 4693160 1135556 6.52 929092 4411200 84 Average: 10963585 14640182 1319088 8.06 141699 3645575 1778463 10.21 620301 4374957 17649 05:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:08 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 06:00:08 ens3 40.97 31.86 498.49 2.70 0.00 0.00 0.00 0.00 06:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:08 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 06:10:08 ens3 63.11 49.83 666.56 8.17 0.00 0.00 0.00 0.00 06:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:08 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 06:20:08 ens3 67.65 53.81 95.49 17.43 0.00 0.00 0.00 0.00 06:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:08 lo 1832.93 1832.93 1738.00 1738.00 0.00 0.00 0.00 0.00 06:30:08 ens3 100.08 88.30 434.32 142.33 0.00 0.00 0.00 0.00 06:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 458.70 458.70 434.54 434.54 0.00 0.00 0.00 0.00 Average: ens3 67.95 55.95 423.72 42.66 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-3000) 08/07/26 _x86_64_ (4 CPU) 05:45:55 LINUX RESTART (4 CPU) 05:50:08 CPU %user %nice %system %iowait %steal %idle 06:00:08 all 0.58 0.00 0.17 0.09 0.03 99.12 06:00:08 0 0.32 0.00 0.17 0.23 0.02 99.27 06:00:08 1 0.52 0.00 0.17 0.02 0.05 99.24 06:00:08 2 1.10 0.00 0.20 0.09 0.03 98.58 06:00:08 3 0.38 0.00 0.16 0.04 0.02 99.41 06:10:08 all 15.04 0.00 0.53 0.36 0.04 84.04 06:10:08 0 14.41 0.00 0.55 1.32 0.06 83.65 06:10:08 1 15.56 0.00 0.51 0.03 0.03 83.86 06:10:08 2 15.41 0.00 0.60 0.05 0.04 83.91 06:10:08 3 14.76 0.00 0.45 0.03 0.04 84.72 06:20:08 all 71.15 0.00 2.26 0.03 0.09 26.46 06:20:08 0 70.43 0.00 2.16 0.03 0.10 27.29 06:20:08 1 70.94 0.00 2.15 0.03 0.09 26.79 06:20:08 2 71.96 0.00 2.55 0.03 0.09 25.38 06:20:08 3 71.28 0.00 2.20 0.02 0.09 26.40 06:30:08 all 45.45 0.00 2.14 0.15 0.08 52.18 06:30:08 0 42.95 0.00 1.88 0.23 0.08 54.86 06:30:08 1 46.75 0.00 2.43 0.15 0.08 50.60 06:30:08 2 46.84 0.00 1.84 0.08 0.08 51.16 06:30:08 3 45.26 0.00 2.42 0.12 0.08 52.12 Average: all 33.03 0.00 1.28 0.16 0.06 65.48 Average: 0 32.02 0.00 1.19 0.45 0.06 66.28 Average: 1 33.43 0.00 1.32 0.06 0.06 65.14 Average: 2 33.79 0.00 1.29 0.06 0.06 64.80 Average: 3 32.90 0.00 1.31 0.05 0.06 65.69