---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-34600 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 18G 61G 23% / 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 707 10798 4 4483 14939 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:f8:35:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79539sec preferred_lft 79539sec inet6 fe80::f816:3eff:fef8:35bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:6c:00:1c:fd:b1 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-34600) 01/13/26 _x86_64_ (4 CPU) 09:34:50 LINUX RESTART (4 CPU) 09:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:21 20.65 1.76 17.92 0.97 26.31 470.59 1445.76 10:10:21 7.59 0.21 7.01 0.38 9.91 257.44 174.88 10:20:02 15.65 0.05 14.91 0.69 1.01 742.44 748.02 10:30:02 11.43 0.01 10.97 0.45 0.52 359.87 298.93 10:40:02 7.52 0.00 7.23 0.29 0.43 224.11 347.38 10:50:21 19.20 0.06 4.51 14.63 2.39 142.25 204982.26 11:00:21 4.47 0.05 4.30 0.12 2.60 145.17 74.97 11:10:00 2.56 0.27 2.29 0.00 8.48 38.02 0.01 11:20:21 12.16 0.02 11.66 0.48 0.86 668.45 744.98 Average: 11.30 0.27 8.98 2.05 5.81 339.10 23954.25 09:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:21 3025756 6316116 9617272 58.74 267708 3009440 10789344 61.93 2106188 10654316 1176 10:10:21 6485772 9802940 6132948 37.46 268716 3035244 6904392 39.63 2115656 7202304 700 10:20:02 10302420 13754648 2183476 13.34 273868 3165000 2888572 16.58 2154612 3370560 312 10:30:02 7980976 11486264 4450720 27.18 275248 3216664 5181660 29.74 2157764 5679192 376 10:40:02 7951004 11487760 4449224 27.17 276076 3247404 5155524 29.59 2159588 5698292 596 10:50:21 7185564 10748424 5188324 31.69 277056 3272528 6392628 36.69 2166856 6470792 372 11:00:21 6406240 9991824 5944280 36.31 277456 3294852 6681000 38.35 2170368 7231376 152 11:10:00 6154340 9744384 6191404 37.81 278068 3298716 6820288 39.15 2172100 7459364 72 11:20:21 7614896 11352776 4583912 28.00 282128 3439112 5262380 30.21 2188244 6011184 208 Average: 7011885 10520571 5415729 33.08 275147 3219884 6230643 35.76 2154597 6641931 440 09:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:21 lo 44.80 44.80 18.74 18.74 0.00 0.00 0.00 0.00 10:00:21 ens3 1.51 1.44 0.31 1.05 0.00 0.00 0.00 0.00 10:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:21 lo 19.95 19.95 9.96 9.96 0.00 0.00 0.00 0.00 10:10:21 ens3 0.67 0.58 0.16 0.13 0.00 0.00 0.00 0.00 10:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 lo 11.63 11.63 5.76 5.76 0.00 0.00 0.00 0.00 10:20:02 ens3 1.07 0.89 0.29 0.29 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:02 lo 14.35 14.35 7.02 7.02 0.00 0.00 0.00 0.00 10:30:02 ens3 0.67 0.53 0.18 0.14 0.00 0.00 0.00 0.00 10:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 lo 18.08 18.08 9.09 9.09 0.00 0.00 0.00 0.00 10:40:02 ens3 0.84 0.63 0.23 0.17 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:21 lo 21.22 21.22 7.77 7.77 0.00 0.00 0.00 0.00 10:50:21 ens3 0.34 0.28 0.08 0.05 0.00 0.00 0.00 0.00 10:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:21 lo 21.48 21.48 11.16 11.16 0.00 0.00 0.00 0.00 11:00:21 ens3 0.62 0.64 0.14 0.12 0.00 0.00 0.00 0.00 11:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 13.18 13.18 7.22 7.22 0.00 0.00 0.00 0.00 11:10:00 ens3 0.65 0.44 0.21 0.14 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:21 lo 17.21 17.21 9.53 9.53 0.00 0.00 0.00 0.00 11:20:21 ens3 1.09 0.92 0.36 0.28 0.00 0.00 0.00 0.00 11:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.26 20.26 9.60 9.60 0.00 0.00 0.00 0.00 Average: ens3 0.83 0.70 0.22 0.26 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-34600) 01/13/26 _x86_64_ (4 CPU) 09:34:50 LINUX RESTART (4 CPU) 09:50:21 CPU %user %nice %system %iowait %steal %idle 10:00:21 all 39.76 0.00 1.64 0.06 0.10 58.44 10:00:21 0 39.61 0.00 1.71 0.12 0.11 58.45 10:00:21 1 39.85 0.00 1.56 0.04 0.11 58.45 10:00:21 2 40.14 0.00 1.65 0.02 0.10 58.09 10:00:21 3 39.44 0.00 1.64 0.04 0.11 58.77 10:10:21 all 16.74 0.00 0.81 0.05 0.08 82.32 10:10:21 0 16.72 0.00 0.82 0.08 0.08 82.30 10:10:21 1 17.16 0.00 0.80 0.04 0.08 81.92 10:10:21 2 16.88 0.00 0.74 0.07 0.09 82.22 10:10:21 3 16.19 0.00 0.88 0.02 0.09 82.83 10:20:02 all 21.47 0.00 0.80 0.07 0.08 77.57 10:20:02 0 21.34 0.00 0.78 0.03 0.08 77.77 10:20:02 1 22.15 0.00 0.87 0.06 0.08 76.85 10:20:02 2 21.70 0.00 0.83 0.12 0.08 77.27 10:20:02 3 20.70 0.00 0.72 0.10 0.09 78.40 10:30:02 all 18.28 0.00 0.67 0.05 0.08 80.92 10:30:02 0 17.03 0.00 0.66 0.03 0.07 82.21 10:30:02 1 18.51 0.00 0.75 0.04 0.09 80.61 10:30:02 2 19.33 0.00 0.59 0.03 0.07 79.98 10:30:02 3 18.26 0.00 0.68 0.09 0.08 80.90 10:40:02 all 12.80 0.00 0.52 0.03 0.08 86.57 10:40:02 0 12.97 0.00 0.48 0.02 0.08 86.46 10:40:02 1 12.68 0.00 0.56 0.04 0.08 86.65 10:40:02 2 12.57 0.00 0.48 0.05 0.08 86.82 10:40:02 3 12.98 0.00 0.58 0.00 0.08 86.37 10:50:21 all 7.81 0.00 0.42 0.05 0.07 91.64 10:50:21 0 7.30 0.00 0.39 0.00 0.06 92.24 10:50:21 1 7.94 0.00 0.49 0.03 0.08 91.46 10:50:21 2 7.93 0.00 0.41 0.06 0.08 91.51 10:50:21 3 8.06 0.00 0.41 0.10 0.07 91.36 11:00:21 all 11.63 0.00 0.56 0.55 0.10 87.17 11:00:21 0 11.76 0.00 0.47 0.75 0.10 86.92 11:00:21 1 11.81 0.00 0.62 0.29 0.10 87.18 11:00:21 2 11.83 0.00 0.67 0.99 0.10 86.41 11:00:21 3 11.13 0.00 0.47 0.15 0.09 88.16 11:10:00 all 2.11 0.00 0.19 0.07 0.08 97.55 11:10:00 0 1.92 0.00 0.15 0.03 0.06 97.84 11:10:00 1 2.57 0.00 0.21 0.10 0.08 97.03 11:10:00 2 2.02 0.00 0.19 0.12 0.08 97.58 11:10:00 3 1.94 0.00 0.21 0.02 0.08 97.76 11:20:21 all 18.60 0.00 0.74 0.04 0.08 80.54 11:20:21 0 18.54 0.00 0.76 0.09 0.08 80.53 11:20:21 1 17.84 0.00 0.71 0.01 0.09 81.35 11:20:21 2 19.50 0.00 0.86 0.04 0.08 79.52 11:20:21 3 18.52 0.00 0.62 0.01 0.08 80.77 Average: all 16.60 0.00 0.71 0.11 0.08 82.50 Average: 0 16.38 0.00 0.69 0.13 0.08 82.72 Average: 1 16.74 0.00 0.73 0.07 0.09 82.37 Average: 2 16.91 0.00 0.72 0.17 0.09 82.13 Average: 3 16.38 0.00 0.69 0.06 0.08 82.79