---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20877 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 714 11148 3 4126 14932 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:d7:3c:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78652sec preferred_lft 78652sec inet6 fe80::f816:3eff:fed7:3c1e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:6e:83:a5:65:ad 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-20877) 02/26/26 _x86_64_ (4 CPU) 07:52:04 LINUX RESTART (4 CPU) 08:00:47 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 109.53 4.25 99.86 5.41 207.74 37235.84 11730.01 08:20:01 76.81 24.58 49.18 3.05 318.71 5352.42 2301.63 08:30:52 12.12 0.40 11.08 0.65 23.25 388.49 517.99 08:40:01 25.46 0.24 7.56 17.67 6.32 247.41 231385.99 08:50:03 12.71 0.08 12.06 0.57 3.15 604.82 345.75 09:00:52 13.64 0.01 13.01 0.63 0.52 419.00 796.78 09:10:02 4.71 0.01 4.51 0.19 0.20 141.67 56.10 09:20:52 5.11 0.03 4.91 0.17 1.97 149.84 78.85 09:30:52 17.42 12.03 5.19 0.21 142.32 163.17 67.34 09:40:01 5.38 0.01 5.20 0.17 0.60 169.22 844.84 09:50:22 8.54 0.02 8.13 0.38 0.77 538.37 155.35 10:00:15 5.20 0.02 5.00 0.19 0.58 172.53 275.67 Average: 24.12 3.46 18.35 2.30 57.91 3581.08 19106.09 08:00:47 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 4233300 14464408 1463916 8.94 233192 9799272 2167712 12.44 1891916 9501252 8172 08:20:01 3549828 6413544 9521464 58.15 256428 2621136 10787164 61.92 2058040 10199616 1956 08:30:52 8354036 11254436 4685632 28.62 258192 2656248 5446288 31.26 2079212 5408352 148 08:40:01 11229280 14229764 1711456 10.45 264196 2750316 2912368 16.72 2093136 2537404 79520 08:50:03 12260116 15315552 626692 3.83 266440 2803004 1314088 7.54 2116908 1465236 11028 09:00:52 8314040 11421988 4518224 27.60 268808 2853144 5208284 29.90 2121144 5405792 100 09:10:02 8164732 11290036 4650120 28.40 269248 2870076 5322436 30.55 2122228 5547136 316 09:20:52 6696916 9843392 6095920 37.23 269872 2890612 6810668 39.09 2124456 7021544 148 09:30:52 6765732 9981152 5958060 36.39 275112 2950004 6729160 38.63 2167732 6906728 36 09:40:01 8349088 11586916 4353276 26.59 275848 2971664 5087820 29.20 2170144 5312776 264 09:50:22 7940028 11302652 4637312 28.32 279468 3088280 5171504 29.68 2183588 5702064 188 10:00:15 10437964 13826476 2114120 12.91 280024 3113580 2805856 16.11 2194896 3197432 236 Average: 8024588 11744193 4194683 25.62 266402 3447278 4980279 28.59 2110283 5683778 8509 08:00:47 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 2.90 2.90 2.45 2.45 0.00 0.00 0.00 0.00 08:10:01 ens3 144.89 110.89 2049.49 11.92 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 37.46 37.46 23.26 23.26 0.00 0.00 0.00 0.00 08:20:01 ens3 2.81 2.78 0.79 1.81 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:52 lo 36.04 36.04 15.05 15.05 0.00 0.00 0.00 0.00 08:30:52 ens3 1.30 0.92 0.30 0.23 0.00 0.00 0.00 0.00 08:30:52 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 11.11 11.11 5.83 5.83 0.00 0.00 0.00 0.00 08:40:01 ens3 0.83 0.52 0.27 0.20 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:03 lo 7.46 7.46 3.89 3.89 0.00 0.00 0.00 0.00 08:50:03 ens3 0.84 0.61 0.18 0.14 0.00 0.00 0.00 0.00 08:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:52 lo 19.73 19.73 10.43 10.43 0.00 0.00 0.00 0.00 09:00:52 ens3 0.96 0.76 0.24 0.18 0.00 0.00 0.00 0.00 09:00:52 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 lo 23.40 23.40 8.93 8.93 0.00 0.00 0.00 0.00 09:10:02 ens3 0.68 0.49 0.16 0.12 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:52 lo 25.02 25.02 11.04 11.04 0.00 0.00 0.00 0.00 09:20:52 ens3 0.69 0.54 0.16 0.12 0.00 0.00 0.00 0.00 09:20:52 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:52 lo 7.94 7.94 5.10 5.10 0.00 0.00 0.00 0.00 09:30:52 ens3 0.48 0.27 0.09 0.05 0.00 0.00 0.00 0.00 09:30:52 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 15.66 15.66 8.63 8.63 0.00 0.00 0.00 0.00 09:40:01 ens3 0.80 0.58 0.20 0.15 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:22 lo 22.50 22.50 10.57 10.57 0.00 0.00 0.00 0.00 09:50:22 ens3 1.05 0.84 0.31 0.25 0.00 0.00 0.00 0.00 09:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:15 lo 20.48 20.48 8.01 8.01 0.00 0.00 0.00 0.00 10:00:15 ens3 0.58 0.34 0.13 0.09 0.00 0.00 0.00 0.00 10:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.47 19.47 9.57 9.57 0.00 0.00 0.00 0.00 Average: ens3 12.13 9.30 158.65 1.20 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-20877) 02/26/26 _x86_64_ (4 CPU) 07:52:04 LINUX RESTART (4 CPU) 08:00:47 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 40.64 0.00 2.28 3.40 0.09 53.59 08:10:01 0 44.92 0.00 2.48 3.85 0.10 48.65 08:10:01 1 38.88 0.00 2.43 4.28 0.09 54.33 08:10:01 2 38.81 0.00 2.05 2.47 0.08 56.60 08:10:01 3 39.97 0.00 2.19 3.00 0.09 54.76 08:20:01 all 64.00 0.00 2.45 0.24 0.12 33.18 08:20:01 0 64.78 0.00 2.53 0.33 0.12 32.23 08:20:01 1 62.25 0.00 2.53 0.14 0.13 34.96 08:20:01 2 64.55 0.00 2.36 0.31 0.13 32.66 08:20:01 3 64.42 0.00 2.38 0.20 0.12 32.88 08:30:52 all 25.39 0.00 1.08 0.07 0.10 73.36 08:30:52 0 25.47 0.00 1.01 0.04 0.10 73.39 08:30:52 1 25.63 0.00 1.05 0.07 0.10 73.15 08:30:52 2 24.96 0.00 1.17 0.10 0.10 73.67 08:30:52 3 25.50 0.00 1.09 0.07 0.10 73.24 08:40:01 all 13.99 0.00 0.69 0.05 0.08 85.20 08:40:01 0 13.89 0.00 0.72 0.08 0.07 85.23 08:40:01 1 13.46 0.00 0.67 0.04 0.08 85.74 08:40:01 2 14.93 0.00 0.74 0.06 0.08 84.19 08:40:01 3 13.67 0.00 0.62 0.02 0.07 85.61 08:50:03 all 18.45 0.00 0.65 0.06 0.07 80.76 08:50:03 0 18.00 0.00 0.63 0.05 0.07 81.24 08:50:03 1 19.00 0.00 0.61 0.05 0.08 80.26 08:50:03 2 18.28 0.00 0.73 0.04 0.07 80.88 08:50:03 3 18.54 0.00 0.65 0.09 0.07 80.65 09:00:52 all 23.27 0.00 0.80 0.04 0.08 75.80 09:00:52 0 22.99 0.00 0.94 0.07 0.08 75.92 09:00:52 1 23.77 0.00 0.78 0.03 0.08 75.34 09:00:52 2 23.09 0.00 0.73 0.02 0.08 76.07 09:00:52 3 23.25 0.00 0.76 0.04 0.08 75.86 09:10:02 all 8.61 0.00 0.43 0.02 0.08 90.86 09:10:02 0 8.62 0.00 0.42 0.01 0.07 90.88 09:10:02 1 8.88 0.00 0.45 0.00 0.08 90.59 09:10:02 2 8.80 0.00 0.47 0.01 0.08 90.64 09:10:02 3 8.13 0.00 0.40 0.07 0.08 91.33 09:20:52 all 9.53 0.00 0.41 0.04 0.08 89.93 09:20:52 0 9.77 0.00 0.41 0.02 0.08 89.72 09:20:52 1 9.67 0.00 0.36 0.02 0.08 89.87 09:20:52 2 9.03 0.00 0.41 0.02 0.08 90.45 09:20:52 3 9.66 0.00 0.48 0.11 0.09 89.66 09:30:52 all 8.76 0.07 0.42 0.07 0.08 90.59 09:30:52 0 8.82 0.01 0.36 0.01 0.08 90.72 09:30:52 1 8.93 0.00 0.43 0.05 0.09 90.50 09:30:52 2 8.93 0.06 0.47 0.07 0.08 90.39 09:30:52 3 8.37 0.22 0.42 0.17 0.08 90.75 09:40:01 all 8.22 0.00 0.44 0.02 0.08 91.25 09:40:01 0 8.38 0.00 0.48 0.01 0.07 91.06 09:40:01 1 8.11 0.00 0.40 0.01 0.08 91.40 09:40:01 2 8.30 0.00 0.51 0.02 0.08 91.10 09:40:01 3 8.08 0.00 0.38 0.04 0.07 91.43 09:50:22 all 13.59 0.00 0.52 0.05 0.08 85.76 09:50:22 0 13.15 0.00 0.47 0.09 0.08 86.21 09:50:22 1 13.50 0.00 0.54 0.01 0.08 85.86 09:50:22 2 14.37 0.00 0.66 0.02 0.09 84.86 09:50:22 3 13.33 0.00 0.41 0.06 0.08 86.12 09:50:22 CPU %user %nice %system %iowait %steal %idle 10:00:15 all 9.12 0.00 0.46 0.03 0.08 90.32 10:00:15 0 9.18 0.00 0.47 0.04 0.07 90.24 10:00:15 1 9.30 0.00 0.44 0.01 0.07 90.17 10:00:15 2 8.91 0.00 0.46 0.01 0.08 90.54 10:00:15 3 9.06 0.00 0.48 0.07 0.08 90.31 Average: all 20.35 0.01 0.88 0.32 0.09 78.36 Average: 0 20.68 0.00 0.90 0.36 0.08 77.98 Average: 1 20.19 0.00 0.89 0.37 0.09 78.47 Average: 2 20.30 0.01 0.89 0.25 0.09 78.47 Average: 3 20.23 0.02 0.85 0.31 0.08 78.51