---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8196 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 680 11543 4 3765 14966 Swap: 1023 4 1019 ---> 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:6a:eb:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80411sec preferred_lft 80411sec inet6 fe80::f816:3eff:fe6a:ebd7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:52:09:a2:65:69 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-8196) 02/06/26 _x86_64_ (4 CPU) 08:44:29 LINUX RESTART (4 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 91.45 22.33 52.47 16.65 363.39 5950.73 221183.17 09:10:01 31.93 13.71 17.32 0.90 197.62 562.53 3329.78 09:20:01 17.43 0.49 16.13 0.80 27.07 783.35 1799.84 09:30:01 16.57 0.02 15.78 0.77 0.99 458.05 436.21 09:40:01 5.94 0.03 5.68 0.23 1.09 139.61 104.00 09:50:01 5.31 0.01 5.07 0.23 1.07 153.45 74.89 10:00:01 5.31 0.01 5.12 0.18 0.43 141.38 194.20 10:10:01 10.98 0.03 10.41 0.54 1.45 622.16 863.40 10:20:01 4.79 0.02 4.60 0.18 0.59 152.63 63.04 Average: 21.08 4.07 14.73 2.28 65.96 995.95 25338.61 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 1492308 4158212 11776004 71.92 261712 2436224 13162904 75.55 1696748 12649628 568 09:10:01 3332668 6081240 9854800 60.19 264168 2516576 11046228 63.41 1790496 10713512 308 09:20:01 10840280 13712672 2228008 13.61 269436 2635136 2998920 17.21 1834068 3196856 296 09:30:01 8683328 11613440 4326524 26.42 271704 2690576 5090332 29.22 1840048 5345592 268 09:40:01 8574728 11519468 4420100 27.00 272288 2704620 5165220 29.65 1841588 5445936 264 09:50:01 7034476 9996444 5942228 36.29 272824 2721304 6689632 38.40 1843500 6981676 488 10:00:01 6991992 9971328 5967404 36.45 273456 2738032 6651120 38.18 1846516 7020156 420 10:10:01 8417608 11528508 4411196 26.94 277764 2864048 5136784 29.49 1865236 5569280 396 10:20:01 7425360 10559568 5379492 32.86 278376 2886740 6010888 34.50 1876624 6545572 660 Average: 6976972 9904542 6033973 36.85 271303 2688140 6883559 39.51 1826092 7052023 408 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 23.82 23.82 18.23 18.23 0.00 0.00 0.00 0.00 09:00:01 ens3 1.84 1.82 0.58 0.51 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 43.35 43.35 18.30 18.30 0.00 0.00 0.00 0.00 09:10:01 ens3 1.35 1.31 0.31 0.27 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 17.80 17.80 8.81 8.81 0.00 0.00 0.00 0.00 09:20:01 ens3 1.17 1.10 0.29 1.06 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 18.32 18.32 9.47 9.47 0.00 0.00 0.00 0.00 09:30:01 ens3 0.76 0.70 0.16 0.13 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 21.11 21.11 9.05 9.05 0.00 0.00 0.00 0.00 09:40:01 ens3 0.71 0.55 0.18 0.13 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 09:50:01 lo 26.39 26.39 11.24 11.24 0.00 0.00 0.00 0.00 09:50:01 ens3 0.55 0.44 0.12 0.09 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 17.15 17.15 9.87 9.87 0.00 0.00 0.00 0.00 10:00:01 ens3 0.68 0.52 0.16 0.12 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 20.07 20.07 11.26 11.26 0.00 0.00 0.00 0.00 10:10:01 ens3 0.99 0.83 0.29 0.23 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 33.20 33.20 12.90 12.90 0.00 0.00 0.00 0.00 10:20:01 ens3 0.68 0.61 0.16 0.13 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 24.58 24.58 12.13 12.13 0.00 0.00 0.00 0.00 Average: ens3 0.97 0.88 0.25 0.30 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-8196) 02/06/26 _x86_64_ (4 CPU) 08:44:29 LINUX RESTART (4 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 53.02 0.00 2.06 0.18 0.11 44.63 09:00:01 0 54.28 0.00 2.01 0.23 0.11 43.37 09:00:01 1 52.25 0.00 1.95 0.15 0.11 45.55 09:00:01 2 53.02 0.00 2.05 0.20 0.11 44.62 09:00:01 3 52.54 0.00 2.22 0.15 0.11 44.98 09:10:01 all 35.82 0.00 1.35 0.09 0.11 62.63 09:10:01 0 36.19 0.00 1.27 0.06 0.13 62.36 09:10:01 1 35.28 0.00 1.37 0.16 0.11 63.08 09:10:01 2 36.35 0.00 1.34 0.07 0.11 62.13 09:10:01 3 35.45 0.00 1.42 0.06 0.11 62.96 09:20:01 all 24.66 0.00 1.01 0.05 0.10 74.18 09:20:01 0 24.18 0.00 0.99 0.05 0.10 74.68 09:20:01 1 25.07 0.00 1.02 0.12 0.11 73.68 09:20:01 2 26.41 0.00 0.98 0.03 0.10 72.49 09:20:01 3 22.97 0.00 1.04 0.02 0.11 75.86 09:30:01 all 26.45 0.00 0.93 0.04 0.10 72.48 09:30:01 0 26.55 0.00 0.90 0.02 0.10 72.44 09:30:01 1 27.20 0.00 1.04 0.08 0.10 71.58 09:30:01 2 26.10 0.00 0.95 0.05 0.10 72.79 09:30:01 3 25.93 0.00 0.83 0.02 0.09 73.13 09:40:01 all 8.81 0.00 0.52 0.06 0.08 90.53 09:40:01 0 8.64 0.00 0.53 0.05 0.08 90.70 09:40:01 1 8.95 0.00 0.59 0.05 0.09 90.32 09:40:01 2 9.08 0.00 0.47 0.08 0.08 90.29 09:40:01 3 8.58 0.00 0.50 0.05 0.08 90.80 09:50:01 all 9.80 0.00 0.56 0.02 0.08 89.54 09:50:01 0 9.53 0.00 0.54 0.02 0.08 89.83 09:50:01 1 9.44 0.00 0.56 0.02 0.08 89.89 09:50:01 2 10.21 0.00 0.56 0.04 0.09 89.10 09:50:01 3 10.02 0.00 0.56 0.00 0.08 89.34 10:00:01 all 9.40 0.00 0.45 0.02 0.09 90.05 10:00:01 0 10.05 0.00 0.39 0.04 0.09 89.43 10:00:01 1 9.18 0.00 0.51 0.00 0.09 90.22 10:00:01 2 9.25 0.00 0.46 0.01 0.09 90.19 10:00:01 3 9.10 0.00 0.45 0.01 0.09 90.34 10:10:01 all 18.55 0.00 0.73 0.04 0.09 80.59 10:10:01 0 18.63 0.00 0.79 0.03 0.09 80.47 10:10:01 1 18.34 0.00 0.66 0.07 0.09 80.84 10:10:01 2 18.55 0.00 0.68 0.03 0.09 80.65 10:10:01 3 18.69 0.00 0.78 0.03 0.09 80.41 10:20:01 all 10.04 0.00 0.47 0.02 0.09 89.38 10:20:01 0 10.47 0.00 0.52 0.03 0.09 88.90 10:20:01 1 9.42 0.00 0.47 0.02 0.09 90.01 10:20:01 2 10.12 0.00 0.45 0.01 0.09 89.33 10:20:01 3 10.16 0.00 0.45 0.01 0.09 89.29 Average: all 21.82 0.00 0.90 0.06 0.10 77.13 Average: 0 22.04 0.00 0.88 0.06 0.10 76.93 Average: 1 21.67 0.00 0.91 0.07 0.09 77.25 Average: 2 22.10 0.00 0.88 0.06 0.10 76.86 Average: 3 21.48 0.00 0.92 0.04 0.09 77.48