---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42589 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 713 8599 4 6676 14931 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:a0:d2:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84236sec preferred_lft 84236sec inet6 fe80::f816:3eff:fea0:d260/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:2c:ce:0c:0d:90 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-42589) 08/29/26 _x86_64_ (4 CPU) 19:44:01 LINUX RESTART (4 CPU) 19:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:17 22.82 0.07 20.18 2.58 6.96 2295.04 10743.89 20:10:01 42.55 12.24 27.31 3.00 137.25 4573.27 23763.55 20:20:01 13.09 0.39 11.18 1.52 23.04 7646.21 4567.92 Average: 25.98 4.12 19.49 2.36 54.58 4817.65 12908.13 19:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:17 8458556 12419224 3537040 21.60 140132 3924332 3600060 20.66 742404 6760140 190732 20:10:01 7309996 12181040 3770364 23.03 159248 4762764 3651304 20.96 1035548 7546960 1856 20:20:01 8809892 15290556 655352 4.00 178760 6302972 1155056 6.63 1392992 5636272 10576 Average: 8192815 13296940 2654252 16.21 159380 4996689 2802140 16.08 1056981 6647791 67721 19:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:17 lo 1398.86 1398.86 1327.10 1327.10 0.00 0.00 0.00 0.00 20:00:17 ens3 39.13 28.68 45.03 11.98 0.00 0.00 0.00 0.00 20:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 1205.25 1205.25 1143.59 1143.59 0.00 0.00 0.00 0.00 20:10:01 ens3 42.79 31.87 32.79 15.35 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 2532.83 2532.83 9288.56 9288.56 0.00 0.00 0.00 0.00 20:20:01 ens3 42.77 34.08 189.83 11.77 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1714.04 1714.04 3921.34 3921.34 0.00 0.00 0.00 0.00 Average: ens3 41.53 31.51 89.33 13.00 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-42589) 08/29/26 _x86_64_ (4 CPU) 19:44:01 LINUX RESTART (4 CPU) 19:50:01 CPU %user %nice %system %iowait %steal %idle 20:00:17 all 62.94 0.00 2.58 0.07 0.03 34.39 20:00:17 0 62.97 0.00 2.79 0.07 0.03 34.15 20:00:17 1 64.14 0.00 2.44 0.09 0.03 33.31 20:00:17 2 62.06 0.00 2.73 0.04 0.03 35.14 20:00:17 3 62.58 0.00 2.37 0.06 0.04 34.95 20:10:01 all 56.31 0.06 2.58 0.14 0.03 40.88 20:10:01 0 55.69 0.00 2.97 0.09 0.03 41.22 20:10:01 1 55.33 0.22 2.51 0.18 0.03 41.72 20:10:01 2 57.38 0.00 2.43 0.20 0.03 39.96 20:10:01 3 56.82 0.03 2.42 0.09 0.03 40.61 20:20:01 all 31.95 0.00 1.48 0.19 0.02 66.36 20:20:01 0 33.79 0.00 1.96 0.09 0.03 64.14 20:20:01 1 24.12 0.00 1.61 0.11 0.02 74.13 20:20:01 2 28.98 0.00 1.19 0.15 0.02 69.66 20:20:01 3 40.93 0.00 1.14 0.39 0.03 57.51 Average: all 50.46 0.02 2.21 0.13 0.03 47.15 Average: 0 50.88 0.00 2.57 0.08 0.03 46.44 Average: 1 47.94 0.07 2.19 0.13 0.03 49.65 Average: 2 49.52 0.00 2.12 0.13 0.03 48.21 Average: 3 53.49 0.01 1.98 0.18 0.03 44.30