---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8039 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: 5599.94 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 632 8888 4 6468 15014 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:1c:85:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84005sec preferred_lft 84005sec inet6 fe80::f816:3eff:fe1c:85e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:fb:89:8d:44:1e 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-8039) 03/22/26 _x86_64_ (4 CPU) 05:23:28 LINUX RESTART (4 CPU) 05:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 27.83 3.04 22.04 2.76 165.71 3818.71 3213.39 05:50:04 30.24 0.01 27.22 3.01 0.17 2478.55 26077.67 06:00:17 18.58 0.31 16.24 2.03 11.49 8130.56 7136.16 Average: 25.49 1.09 21.80 2.60 57.80 4836.00 12207.67 05:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 10030604 13570580 2388276 14.59 139296 3529076 2539708 14.58 714648 5250252 21840 05:50:04 8113648 12283816 3670592 22.42 163764 4091204 3723724 21.37 861876 6965284 204828 06:00:17 9124848 15389376 558152 3.41 184444 6096364 1112732 6.39 1622776 5109016 108 Average: 9089700 13747924 2205673 13.47 162501 4572215 2458721 14.11 1066433 5774851 75592 05:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1445.53 1445.53 1370.84 1370.84 0.00 0.00 0.00 0.00 05:40:01 ens3 115.60 89.53 961.39 19.64 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 05:50:04 lo 1362.28 1362.28 1297.46 1297.46 0.00 0.00 0.00 0.00 05:50:04 ens3 39.60 29.88 26.24 10.54 0.00 0.00 0.00 0.00 05:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:17 lo 504.12 504.12 6958.97 6958.97 0.00 0.00 0.00 0.00 06:00:17 ens3 54.39 54.54 117.27 367.97 0.00 0.00 0.00 0.00 06:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1097.50 1097.50 3246.56 3246.56 0.00 0.00 0.00 0.00 Average: ens3 69.32 57.65 361.03 135.04 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-8039) 03/22/26 _x86_64_ (4 CPU) 05:23:28 LINUX RESTART (4 CPU) 05:30:17 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 58.39 0.00 2.24 0.09 0.08 39.21 05:40:01 0 57.84 0.00 2.22 0.05 0.08 39.80 05:40:01 1 58.08 0.00 2.30 0.07 0.08 39.48 05:40:01 2 58.19 0.00 2.38 0.11 0.08 39.24 05:40:01 3 59.45 0.00 2.06 0.11 0.08 38.30 05:50:04 all 65.89 0.00 2.37 0.08 0.08 31.58 05:50:04 0 65.62 0.00 2.40 0.12 0.08 31.77 05:50:04 1 67.45 0.00 2.38 0.04 0.08 30.04 05:50:04 2 66.48 0.00 2.45 0.06 0.08 30.93 05:50:04 3 63.99 0.00 2.26 0.09 0.09 33.57 06:00:17 all 39.28 0.00 1.44 0.15 0.07 59.06 06:00:17 0 41.23 0.00 1.75 0.14 0.08 56.80 06:00:17 1 39.87 0.00 1.30 0.10 0.08 58.65 06:00:17 2 38.99 0.00 1.32 0.05 0.07 59.57 06:00:17 3 37.02 0.00 1.37 0.29 0.08 61.24 Average: all 54.40 0.00 2.01 0.11 0.08 43.41 Average: 0 54.79 0.00 2.12 0.11 0.08 42.90 Average: 1 55.02 0.00 1.99 0.07 0.08 42.84 Average: 2 54.43 0.00 2.04 0.07 0.08 43.38 Average: 3 53.33 0.00 1.89 0.17 0.08 44.53