---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-443299 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 625 8838 4 6524 15020 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:cd:d2:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84210sec preferred_lft 84210sec inet6 fe80::f816:3eff:fecd:d2a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:a4:ef:43:0d:e0 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-443299) 03/11/26 _x86_64_ (4 CPU) 13:43:41 LINUX RESTART (4 CPU) 13:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:02 43.06 3.79 35.93 3.34 188.91 5601.49 6973.11 14:10:03 30.66 0.01 27.66 2.99 0.61 2476.52 14299.65 14:20:06 16.45 0.34 14.36 1.74 21.90 8987.84 4243.17 Average: 30.04 1.38 25.97 2.69 70.44 5694.11 8497.48 13:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:02 9653056 13037180 2922340 17.85 132252 3385212 2945756 16.91 662528 5688588 30472 14:10:03 7939256 11969812 3985268 24.34 161500 3958208 3968164 22.78 826836 7181124 239252 14:20:06 9057036 15382492 565972 3.46 175532 6166756 1119116 6.42 1654340 5163888 11976 Average: 8883116 13463161 2491193 15.22 156428 4503392 2677679 15.37 1047901 6011200 93900 13:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:02 lo 1521.28 1521.28 1443.67 1443.67 0.00 0.00 0.00 0.00 14:00:02 ens3 110.37 84.30 1036.76 15.71 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:03 lo 1392.40 1392.40 1326.90 1326.90 0.00 0.00 0.00 0.00 14:10:03 ens3 23.27 20.95 41.02 6.45 0.00 0.00 0.00 0.00 14:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:06 lo 2499.59 2499.59 9302.17 9302.17 0.00 0.00 0.00 0.00 14:20:06 ens3 36.12 29.48 104.33 32.99 0.00 0.00 0.00 0.00 14:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1805.46 1805.46 4031.96 4031.96 0.00 0.00 0.00 0.00 Average: ens3 56.58 44.90 393.84 18.41 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-443299) 03/11/26 _x86_64_ (4 CPU) 13:43:41 LINUX RESTART (4 CPU) 13:50:00 CPU %user %nice %system %iowait %steal %idle 14:00:02 all 66.51 0.00 2.58 0.37 0.10 30.44 14:00:02 0 65.73 0.00 2.67 0.16 0.10 31.34 14:00:02 1 66.85 0.00 2.49 0.80 0.10 29.76 14:00:02 2 67.06 0.00 2.83 0.34 0.10 29.67 14:00:02 3 66.41 0.00 2.34 0.17 0.10 30.98 14:10:03 all 64.50 0.00 2.46 0.09 0.09 32.85 14:10:03 0 63.79 0.00 2.27 0.15 0.09 33.69 14:10:03 1 65.06 0.00 2.73 0.09 0.10 32.02 14:10:03 2 64.76 0.00 2.24 0.04 0.09 32.87 14:10:03 3 64.40 0.00 2.58 0.09 0.10 32.83 14:20:06 all 38.79 0.00 1.55 0.20 0.08 59.39 14:20:06 0 34.57 0.00 1.70 0.37 0.08 63.28 14:20:06 1 38.65 0.00 1.54 0.21 0.07 59.54 14:20:06 2 34.93 0.00 1.20 0.08 0.08 63.70 14:20:06 3 47.00 0.00 1.77 0.13 0.08 51.02 Average: all 56.56 0.00 2.19 0.22 0.09 40.93 Average: 0 54.65 0.00 2.21 0.23 0.09 42.82 Average: 1 56.81 0.00 2.25 0.37 0.09 40.48 Average: 2 55.55 0.00 2.09 0.15 0.09 42.12 Average: 3 59.24 0.00 2.23 0.13 0.09 38.30