---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41163 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 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 682 8167 4 7138 14963 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:55:3d:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83543sec preferred_lft 83543sec inet6 fe80::f816:3eff:fe55:3dc6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:e1:4e:78:25:c5 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-41163) 08/26/26 _x86_64_ (4 CPU) 07:56:54 LINUX RESTART (4 CPU) 08:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:04 13.43 2.90 9.84 0.69 155.37 2531.45 1732.72 08:20:04 36.40 0.08 19.80 16.52 7.53 2354.25 244246.03 08:30:04 33.12 0.02 29.78 3.32 0.51 4452.32 30664.63 08:40:04 9.17 0.03 8.77 0.37 0.65 6359.01 50431.20 Average: 23.03 0.76 17.05 5.22 41.02 3924.26 81768.64 08:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:04 10516696 13842752 2118284 12.94 125920 3347188 2337772 13.42 562884 4926664 67368 08:20:04 9206312 12997192 2959224 18.07 147956 3747208 2876420 16.51 725124 6008688 2972 08:30:04 7428848 12278968 3672272 22.43 167936 4737376 3452116 19.82 1019536 7456684 32796 08:40:04 6157280 12774836 3170356 19.36 183600 6430100 3037548 17.44 1689216 7997232 13548 Average: 8327284 12973437 2980034 18.20 156353 4565468 2925964 16.80 999190 6597317 29171 08:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:04 lo 323.01 323.01 307.76 307.76 0.00 0.00 0.00 0.00 08:10:04 ens3 98.34 78.80 1035.24 12.76 0.00 0.00 0.00 0.00 08:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:04 lo 1427.74 1427.74 1354.52 1354.52 0.00 0.00 0.00 0.00 08:20:04 ens3 47.65 38.70 48.73 13.98 0.00 0.00 0.00 0.00 08:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:04 lo 1501.21 1501.21 1430.72 1430.72 0.00 0.00 0.00 0.00 08:30:04 ens3 44.03 34.61 30.27 12.65 0.00 0.00 0.00 0.00 08:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 lo 2579.89 2579.89 9295.67 9295.67 0.00 0.00 0.00 0.00 08:40:04 ens3 23.56 20.16 122.82 5.04 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1457.96 1457.96 3097.16 3097.16 0.00 0.00 0.00 0.00 Average: ens3 53.40 43.07 309.27 11.11 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-41163) 08/26/26 _x86_64_ (4 CPU) 07:56:54 LINUX RESTART (4 CPU) 08:00:04 CPU %user %nice %system %iowait %steal %idle 08:10:04 all 17.66 0.00 0.83 0.31 0.05 81.15 08:10:04 0 16.69 0.00 0.69 0.05 0.06 82.52 08:10:04 1 18.74 0.00 0.80 1.05 0.05 79.36 08:10:04 2 18.51 0.00 0.87 0.04 0.05 80.54 08:10:04 3 16.68 0.00 0.97 0.10 0.04 82.21 08:20:04 all 66.02 0.00 2.36 0.07 0.10 31.46 08:20:04 0 64.42 0.00 2.13 0.04 0.10 33.30 08:20:04 1 66.12 0.00 2.49 0.12 0.10 31.18 08:20:04 2 65.76 0.00 2.46 0.07 0.10 31.61 08:20:04 3 67.77 0.00 2.37 0.03 0.10 29.73 08:30:04 all 62.92 0.00 2.64 0.36 0.11 33.98 08:30:04 0 61.89 0.00 2.78 0.11 0.11 35.11 08:30:04 1 63.48 0.00 2.94 0.07 0.11 33.39 08:30:04 2 64.79 0.00 2.53 1.10 0.11 31.47 08:30:04 3 61.52 0.00 2.28 0.16 0.11 35.94 08:40:04 all 31.32 0.00 1.30 0.11 0.09 67.18 08:40:04 0 22.19 0.00 1.11 0.25 0.09 76.35 08:40:04 1 29.86 0.00 1.70 0.05 0.09 68.31 08:40:04 2 41.07 0.00 0.93 0.10 0.09 57.81 08:40:04 3 32.18 0.00 1.46 0.03 0.09 66.23 Average: all 44.46 0.00 1.78 0.21 0.09 53.46 Average: 0 41.28 0.00 1.68 0.11 0.09 56.84 Average: 1 44.54 0.00 1.98 0.32 0.09 53.07 Average: 2 47.50 0.00 1.69 0.33 0.08 50.39 Average: 3 44.52 0.00 1.77 0.08 0.08 53.55