---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46298 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 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 65G 17% / 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 727 7908 4 7353 14918 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:c1:87:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83755sec preferred_lft 83755sec inet6 fe80::f816:3eff:fec1:87a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:12:f0:fc:a7:32 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-46298) 08/31/26 _x86_64_ (4 CPU) 07:56:58 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:19 22.89 3.06 17.80 2.03 182.58 4136.61 15926.22 08:20:26 27.20 0.03 23.99 3.19 0.54 2180.09 5603.24 08:30:01 22.73 0.03 20.62 2.08 0.67 3997.32 5826.04 08:40:02 11.15 0.16 9.65 1.33 10.47 7489.00 3186.78 Average: 21.00 0.84 18.00 2.16 49.94 4448.45 7710.10 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:19 9994932 13721108 2236368 13.66 143236 3703836 2691788 15.45 654516 5333016 17576 08:20:26 8473484 12620360 3332888 20.36 163580 4068112 3634284 20.86 783336 6679148 34084 08:30:01 6967500 12043188 3906216 23.86 179316 4943028 3782000 21.71 1044168 7860736 328 08:40:02 8199476 15369480 571812 3.49 195608 6954008 1045504 6.00 1817744 5788968 2704 Average: 8408848 13438534 2511821 15.34 170435 4917246 2788394 16.01 1074941 6415467 13673 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:19 lo 785.91 785.91 747.34 747.34 0.00 0.00 0.00 0.00 08:10:19 ens3 126.54 96.91 1370.10 19.02 0.00 0.00 0.00 0.00 08:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:26 lo 1802.85 1802.85 1713.87 1713.87 0.00 0.00 0.00 0.00 08:20:26 ens3 31.81 25.46 16.46 11.23 0.00 0.00 0.00 0.00 08:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 745.55 745.55 702.42 702.42 0.00 0.00 0.00 0.00 08:30:01 ens3 24.53 19.22 25.59 8.53 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:02 lo 2565.90 2565.90 9268.47 9268.47 0.00 0.00 0.00 0.00 08:40:02 ens3 97.84 106.87 153.09 1266.97 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1478.82 1478.82 3114.36 3114.36 0.00 0.00 0.00 0.00 Average: ens3 70.99 62.75 401.47 327.02 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-46298) 08/31/26 _x86_64_ (4 CPU) 07:56:58 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:19 all 37.86 0.00 1.88 0.14 0.03 60.09 08:10:19 0 37.46 0.00 2.06 0.10 0.03 60.35 08:10:19 1 37.57 0.00 1.99 0.10 0.03 60.31 08:10:19 2 38.67 0.00 1.61 0.18 0.03 59.51 08:10:19 3 37.75 0.00 1.86 0.19 0.03 60.17 08:20:26 all 63.43 0.00 2.69 0.07 0.03 33.79 08:20:26 0 64.28 0.00 2.57 0.07 0.02 33.05 08:20:26 1 63.99 0.00 2.53 0.06 0.03 33.39 08:20:26 2 62.15 0.00 2.82 0.08 0.03 34.91 08:20:26 3 63.28 0.00 2.85 0.05 0.02 33.79 08:30:01 all 39.95 0.00 1.84 0.09 0.02 58.11 08:30:01 0 40.64 0.00 2.00 0.07 0.01 57.27 08:30:01 1 40.33 0.00 1.89 0.16 0.02 57.60 08:30:01 2 38.72 0.00 1.93 0.05 0.02 59.29 08:30:01 3 40.12 0.00 1.52 0.06 0.02 58.28 08:40:02 all 35.40 0.00 1.61 0.20 0.02 62.77 08:40:02 0 35.38 0.00 1.13 0.17 0.01 63.30 08:40:02 1 28.89 0.00 1.71 0.13 0.02 69.25 08:40:02 2 37.46 0.00 1.93 0.26 0.03 60.32 08:40:02 3 39.89 0.00 1.68 0.23 0.02 58.18 Average: all 44.20 0.00 2.01 0.12 0.02 53.65 Average: 0 44.47 0.00 1.94 0.10 0.02 53.47 Average: 1 42.72 0.00 2.03 0.11 0.02 55.11 Average: 2 44.31 0.00 2.07 0.14 0.03 53.45 Average: 3 45.30 0.00 1.99 0.13 0.02 52.56