---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38971 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 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 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 670 8766 4 6552 14975 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:24:06:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84024sec preferred_lft 84024sec inet6 fe80::f816:3eff:fe24:661/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:81:69:e1:15:15 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-38971) 08/20/26 _x86_64_ (4 CPU) 07:33:55 LINUX RESTART (4 CPU) 07:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:08 30.45 2.91 24.44 3.09 161.98 4175.28 5567.38 08:00:11 29.64 0.02 26.52 3.10 0.57 2394.93 15404.54 08:10:10 14.97 0.17 13.16 1.65 10.35 8180.69 3003.28 Average: 25.02 1.03 21.38 2.62 57.41 4912.17 8010.26 07:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:08 9860280 13507544 2450880 14.97 139528 3624260 2913696 16.72 676716 5439716 31128 08:00:11 8676748 12950176 3004360 18.35 161880 4185628 3111732 17.86 802952 6448980 227496 08:10:10 9014204 15363700 584148 3.57 185284 6172184 1117616 6.42 1589096 5229764 48 Average: 9183744 13940473 2013129 12.30 162231 4660691 2381015 13.67 1022921 5706153 86224 07:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:08 lo 1729.78 1729.78 1643.14 1643.14 0.00 0.00 0.00 0.00 07:50:08 ens3 126.27 98.56 988.66 19.62 0.00 0.00 0.00 0.00 07:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:11 lo 1452.53 1452.53 1384.08 1384.08 0.00 0.00 0.00 0.00 08:00:11 ens3 46.80 36.19 36.76 12.07 0.00 0.00 0.00 0.00 08:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:10 lo 462.19 462.19 6953.15 6953.15 0.00 0.00 0.00 0.00 08:10:10 ens3 47.92 48.31 109.56 373.02 0.00 0.00 0.00 0.00 08:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1214.86 1214.86 3324.16 3324.16 0.00 0.00 0.00 0.00 Average: ens3 73.55 60.93 377.00 134.75 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-38971) 08/20/26 _x86_64_ (4 CPU) 07:33:55 LINUX RESTART (4 CPU) 07:40:11 CPU %user %nice %system %iowait %steal %idle 07:50:08 all 69.94 0.00 2.83 0.07 0.10 27.06 07:50:08 0 70.84 0.00 2.91 0.10 0.10 26.05 07:50:08 1 70.24 0.00 2.97 0.06 0.10 26.63 07:50:08 2 69.63 0.00 2.53 0.09 0.10 27.65 07:50:08 3 69.03 0.00 2.92 0.05 0.10 27.90 08:00:11 all 65.29 0.00 2.51 0.06 0.11 32.02 08:00:11 0 64.03 0.00 2.42 0.05 0.11 33.38 08:00:11 1 66.47 0.00 2.51 0.07 0.12 30.84 08:00:11 2 65.40 0.00 2.50 0.09 0.11 31.90 08:00:11 3 65.27 0.00 2.62 0.05 0.11 31.95 08:10:10 all 35.68 0.00 1.39 0.17 0.09 62.68 08:10:10 0 33.25 0.00 1.61 0.13 0.09 64.92 08:10:10 1 35.45 0.00 1.51 0.07 0.09 62.88 08:10:10 2 38.40 0.00 1.06 0.11 0.09 60.34 08:10:10 3 35.63 0.00 1.36 0.35 0.09 62.56 Average: all 56.97 0.00 2.24 0.10 0.10 40.58 Average: 0 56.04 0.00 2.31 0.09 0.10 41.46 Average: 1 57.38 0.00 2.33 0.07 0.10 40.12 Average: 2 57.82 0.00 2.03 0.10 0.10 39.96 Average: 3 56.65 0.00 2.30 0.15 0.10 40.80