---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22232 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 664 8641 4 6683 14982 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:19:a0:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84066sec preferred_lft 84066sec inet6 fe80::f816:3eff:fe19:a024/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:ee:6c:da:03:62 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-22232) 03/24/26 _x86_64_ (4 CPU) 05:23:27 LINUX RESTART (4 CPU) 05:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 24.64 0.44 21.31 2.89 19.94 3012.10 2073.69 05:50:00 33.09 0.01 29.63 3.45 0.13 2448.32 8990.35 06:00:18 13.75 0.30 12.09 1.36 11.34 7616.97 3427.86 Average: 23.71 0.25 20.91 2.55 10.41 4405.62 4836.23 05:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9208148 13168440 2788140 17.03 149660 3921700 3175908 18.23 853756 5917192 98840 05:50:00 8405040 12794200 3158916 19.29 172328 4297072 3217924 18.47 973700 6555776 127840 06:00:18 8872532 15357588 587712 3.59 189252 6309152 1105112 6.34 1726400 5235824 164 Average: 8828573 13773409 2178256 13.30 170413 4842641 2499648 14.35 1184619 5902931 75615 05:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1549.69 1549.69 1470.80 1470.80 0.00 0.00 0.00 0.00 05:40:01 ens3 49.90 40.19 58.01 13.82 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:00 lo 1618.47 1618.47 1541.69 1541.69 0.00 0.00 0.00 0.00 05:50:00 ens3 36.75 29.36 35.48 11.01 0.00 0.00 0.00 0.00 05:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:18 lo 236.97 236.97 6636.55 6636.55 0.00 0.00 0.00 0.00 06:00:18 ens3 75.35 83.77 112.11 925.97 0.00 0.00 0.00 0.00 06:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1121.90 1121.90 3267.70 3267.70 0.00 0.00 0.00 0.00 Average: ens3 54.27 51.56 69.10 326.02 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-22232) 03/24/26 _x86_64_ (4 CPU) 05:23:27 LINUX RESTART (4 CPU) 05:30:17 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 66.57 0.00 2.58 0.06 0.09 30.70 05:40:01 0 65.88 0.00 2.49 0.04 0.09 31.50 05:40:01 1 66.47 0.00 2.57 0.06 0.09 30.80 05:40:01 2 66.92 0.00 2.47 0.08 0.09 30.44 05:40:01 3 67.00 0.00 2.80 0.05 0.09 30.06 05:50:00 all 60.04 0.00 2.60 1.78 0.11 35.48 05:50:00 0 59.78 0.00 2.44 1.35 0.11 36.31 05:50:00 1 60.84 0.00 3.06 1.21 0.11 34.78 05:50:00 2 58.56 0.00 2.44 1.75 0.11 37.15 05:50:00 3 60.96 0.00 2.46 2.79 0.10 33.68 06:00:18 all 33.84 0.00 1.12 0.96 0.08 63.99 06:00:18 0 35.21 0.00 1.33 0.57 0.08 62.81 06:00:18 1 39.91 0.00 1.08 1.73 0.09 57.19 06:00:18 2 30.91 0.00 1.31 0.65 0.08 67.05 06:00:18 3 29.34 0.00 0.76 0.90 0.07 68.93 Average: all 53.15 0.00 2.09 0.94 0.09 43.73 Average: 0 53.31 0.00 2.08 0.66 0.09 43.86 Average: 1 55.47 0.00 2.22 1.02 0.10 41.20 Average: 2 51.76 0.00 2.06 0.83 0.09 45.25 Average: 3 52.05 0.00 1.99 1.25 0.09 44.62