---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27159 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 670 8885 4 6433 14976 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:e1:02:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84106sec preferred_lft 84106sec inet6 fe80::f816:3eff:fee1:242/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:59:dc:a9:02:2b 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-27159) 03/04/26 _x86_64_ (4 CPU) 10:55:11 LINUX RESTART (4 CPU) 11:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:06 57.09 4.69 49.30 3.10 265.18 5748.39 4978.94 11:20:06 21.45 0.02 19.12 2.31 0.21 2525.04 9470.69 11:30:01 20.40 0.02 18.54 1.84 0.35 3896.67 9662.85 Average: 33.07 1.59 29.06 2.42 89.24 4061.12 8025.76 11:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:06 10365352 13686056 2274056 13.89 130512 3328364 2366892 13.59 641356 5001300 17584 11:20:06 9360160 13021288 2936296 17.93 145276 3624696 3076552 17.66 731636 5884004 28588 11:30:01 5981584 10542748 5411080 33.05 163116 4471556 5166580 29.66 1006988 8939384 220 Average: 8569032 12416697 3540477 21.62 146301 3808205 3536675 20.30 793327 6608229 15464 11:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:06 lo 1409.34 1409.34 1336.49 1336.49 0.00 0.00 0.00 0.00 11:10:06 ens3 122.19 92.91 1152.19 16.41 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:06 lo 1105.74 1105.74 1053.56 1053.56 0.00 0.00 0.00 0.00 11:20:06 ens3 19.46 17.45 15.60 5.52 0.00 0.00 0.00 0.00 11:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 877.15 877.15 5291.97 5291.97 0.00 0.00 0.00 0.00 11:30:01 ens3 14.81 12.94 14.80 4.39 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1132.11 1132.11 2550.16 2550.16 0.00 0.00 0.00 0.00 Average: ens3 52.42 41.30 397.04 8.80 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-27159) 03/04/26 _x86_64_ (4 CPU) 10:55:11 LINUX RESTART (4 CPU) 11:00:02 CPU %user %nice %system %iowait %steal %idle 11:10:06 all 62.15 0.00 2.61 0.87 0.14 34.22 11:10:06 0 63.20 0.00 2.39 0.88 0.14 33.39 11:10:06 1 63.37 0.00 2.84 0.39 0.14 33.27 11:10:06 2 60.34 0.00 2.81 1.19 0.14 35.53 11:10:06 3 61.69 0.00 2.42 1.03 0.14 34.72 11:20:06 all 60.95 0.00 2.18 3.76 0.13 32.98 11:20:06 0 60.05 0.00 2.04 4.75 0.13 33.02 11:20:06 1 60.63 0.00 2.19 2.53 0.13 34.52 11:20:06 2 62.99 0.00 2.42 3.41 0.13 31.05 11:20:06 3 60.12 0.00 2.07 4.34 0.14 33.34 11:30:01 all 49.47 0.00 1.89 1.47 0.13 47.04 11:30:01 0 45.01 0.00 1.84 0.66 0.12 52.37 11:30:01 1 56.83 0.00 1.80 0.92 0.13 40.32 11:30:01 2 47.38 0.00 1.90 1.00 0.13 49.58 11:30:01 3 48.67 0.00 2.01 3.31 0.13 45.88 Average: all 57.55 0.00 2.23 2.03 0.13 38.05 Average: 0 56.12 0.00 2.09 2.10 0.13 39.56 Average: 1 60.29 0.00 2.28 1.28 0.13 36.02 Average: 2 56.93 0.00 2.38 1.87 0.14 38.68 Average: 3 56.86 0.00 2.17 2.89 0.14 37.95