---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38964 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 736 9542 4 5710 14910 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:12:4f:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84081sec preferred_lft 84081sec inet6 fe80::f816:3eff:fe12:4f06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:a8:2b:ee:20:40 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-38964) 08/20/26 _x86_64_ (4 CPU) 06:26:25 LINUX RESTART (4 CPU) 06:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 15.84 2.59 12.46 0.79 142.97 3787.33 1191.69 06:50:12 31.73 0.11 28.09 3.53 6.19 2811.68 8319.45 07:00:05 20.39 0.04 18.25 2.09 1.31 5624.93 6159.78 Average: 22.73 0.91 19.67 2.15 49.88 4062.25 5246.55 06:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9458488 13039292 2919528 17.83 143276 3541852 3152280 18.09 626240 5886268 14328 06:50:12 9412328 13448116 2506156 15.31 168852 3937804 2713112 15.57 765020 5735028 13716 07:00:05 9958604 15432016 515524 3.15 205460 5242752 1034920 5.94 921952 4928756 279280 Average: 9609807 13973141 1980403 12.10 172529 4240803 2300104 13.20 771071 5516684 102441 06:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 421.84 421.84 401.76 401.76 0.00 0.00 0.00 0.00 06:40:01 ens3 94.07 75.23 810.18 14.81 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:12 lo 1667.47 1667.47 1589.30 1589.30 0.00 0.00 0.00 0.00 06:50:12 ens3 42.88 36.37 208.27 10.74 0.00 0.00 0.00 0.00 06:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:05 lo 303.25 303.25 288.03 288.03 0.00 0.00 0.00 0.00 07:00:05 ens3 50.66 38.95 110.77 12.19 0.00 0.00 0.00 0.00 07:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 805.15 805.15 766.97 766.97 0.00 0.00 0.00 0.00 Average: ens3 62.40 50.09 375.50 12.57 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-38964) 08/20/26 _x86_64_ (4 CPU) 06:26:25 LINUX RESTART (4 CPU) 06:30:05 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 40.23 0.00 1.32 8.64 0.09 49.72 06:40:01 0 40.18 0.00 1.26 4.17 0.08 54.30 06:40:01 1 42.96 0.00 1.46 11.13 0.08 44.37 06:40:01 2 38.63 0.00 1.37 12.04 0.09 47.87 06:40:01 3 39.13 0.00 1.19 7.22 0.09 52.37 06:50:12 all 57.38 0.00 2.53 0.47 0.13 39.48 06:50:12 0 55.90 0.00 2.48 0.65 0.13 40.84 06:50:12 1 57.88 0.00 2.65 0.42 0.13 38.93 06:50:12 2 57.01 0.00 2.50 0.69 0.13 39.66 06:50:12 3 58.75 0.00 2.49 0.13 0.13 38.49 07:00:05 all 58.58 0.00 2.22 0.64 0.13 38.43 07:00:05 0 57.69 0.00 2.26 0.84 0.12 39.09 07:00:05 1 57.52 0.00 2.06 0.59 0.13 39.70 07:00:05 2 56.13 0.00 2.00 0.72 0.13 41.02 07:00:05 3 63.01 0.00 2.58 0.40 0.14 33.88 Average: all 52.08 0.00 2.03 3.24 0.12 42.54 Average: 0 51.27 0.00 2.00 1.88 0.11 44.74 Average: 1 52.80 0.00 2.06 4.04 0.11 40.99 Average: 2 50.63 0.00 1.96 4.46 0.11 42.83 Average: 3 53.63 0.00 2.09 2.57 0.12 41.59