---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65110 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 9.9G 68G 13% / 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 647 10974 4 4368 14999 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:85:b1:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84355sec preferred_lft 84355sec inet6 fe80::f816:3eff:fe85:b178/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:e1:17:70:2d:05 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-65110) 04/01/26 _x86_64_ (4 CPU) 12:51:06 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:28 57.52 2.44 35.06 20.02 135.55 4197.76 237704.67 13:20:00 30.94 0.32 25.61 5.01 12.41 3401.27 3837.95 Average: 44.84 1.43 30.55 12.86 76.79 3817.69 126108.99 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:28 10293584 13787260 2170672 13.26 165340 3440740 2413792 13.86 619664 5070468 110408 13:20:00 11277796 15387556 565820 3.46 204760 3965832 1126764 6.47 822600 3800256 48 Average: 10785690 14587408 1368246 8.36 185050 3703286 1770278 10.16 721132 4435362 55228 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:28 lo 3866.99 3866.99 3687.60 3687.60 0.00 0.00 0.00 0.00 13:10:28 ens3 151.00 116.98 734.63 31.09 0.00 0.00 0.00 0.00 13:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 2207.21 2207.21 2097.99 2097.99 0.00 0.00 0.00 0.00 13:20:00 ens3 93.30 82.50 115.76 103.27 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3074.98 3074.98 2929.08 2929.08 0.00 0.00 0.00 0.00 Average: ens3 123.47 100.53 439.32 65.53 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-65110) 04/01/26 _x86_64_ (4 CPU) 12:51:06 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:28 all 58.89 0.00 3.48 0.09 0.09 37.45 13:10:28 0 58.98 0.00 3.59 0.05 0.09 37.28 13:10:28 1 59.46 0.00 3.65 0.10 0.09 36.68 13:10:28 2 57.63 0.00 3.33 0.14 0.09 38.80 13:10:28 3 59.48 0.00 3.34 0.08 0.09 37.02 13:20:00 all 38.63 0.00 2.32 0.08 0.07 58.90 13:20:00 0 35.41 0.00 2.16 0.11 0.06 62.25 13:20:00 1 40.60 0.00 2.43 0.06 0.07 56.84 13:20:00 2 40.73 0.00 2.33 0.11 0.07 56.76 13:20:00 3 37.79 0.00 2.38 0.04 0.07 59.73 Average: all 49.22 0.00 2.93 0.09 0.08 47.69 Average: 0 47.72 0.00 2.91 0.08 0.08 49.21 Average: 1 50.45 0.00 3.07 0.08 0.08 46.31 Average: 2 49.56 0.00 2.85 0.13 0.08 47.38 Average: 3 49.13 0.00 2.88 0.06 0.08 47.86